Curriculum
Login

Curriculum

Biology & Geology (STEM)

Chapter 1 - Support and Movement in Living Organisms

0/26

Chapter 2 - Hormonal Coordination in Living Organisms

0/32

Chapter 3 - Reproduction in Living Organisms

0/33

Chapter 4 - Immunity in Living Organisms

0/34

Chapter 5 - Molecular Biology - DNA Structure and Function

0/37

Chapter 6 - Molecular Biology - RNA, Protein Synthesis and Genetic Engineering

0/38

Chapter 7 - Geology, Earth Sciences and Ecology

0/20
Quiz

Lesson 2: Movement in Plants and Muscle Contraction Mechanics in Humans — Picture questions (exam style)

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit
  • Questions count: 65
  • Passing grade: 60%
Start Quiz
1.
The figure shows a sarcomere of 2.8 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 2.8 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.9 µm, I band after contraction = 2.3 µm, A band = 1.2 µm
H zone after contraction = 0.1 µm, I band after contraction = 0.8 µm, A band = 1.2 µm
H zone after contraction = 0.5 µm, I band after contraction = 1.2 µm, A band = 1.2 µm
H zone after contraction = 0.1 µm, I band after contraction = 0.8 µm, A band = 1.6 µm (unchanged)
2.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 50 ms, whole twitch = 115 ms, latent period = 50 ms
contraction period = 60 ms, whole twitch = 100 ms, latent period = 15 ms
contraction period = 65 ms, whole twitch = 105 ms, latent period = 15 ms
contraction period = 50 ms, whole twitch = 115 ms, latent period = 15 ms
3.
A seedling stem was placed as shown (horizontal, in the dark). Which option is correct?
A seedling stem was placed as shown (horizontal, in the dark). Which option is correct?
auxin collects on the lower side, stem bends upward
auxin collects on the left (lit) side, stem bends upward
auxin spreads evenly, stem bends downward
auxin collects on the upper side, root bends upward
4.
The figure shows a sarcomere of 2.8 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 2.8 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.2 µm, I band after contraction = 0.9 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.8 µm, I band after contraction = 0.9 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.8 µm, I band after contraction = 2.3 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.5 µm, I band after contraction = 0.9 µm, A band = 1.6 µm (unchanged)
5.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 50 ms, whole twitch = 90 ms, latent period = 10 ms
contraction period = 50 ms, whole twitch = 85 ms, latent period = 10 ms
contraction period = 60 ms, whole twitch = 90 ms, latent period = 5 ms
contraction period = 50 ms, whole twitch = 95 ms, latent period = 5 ms
6.
The figure shows a sarcomere of 2.4 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 2.4 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.6 µm, I band after contraction = 0.9 µm, A band = 1.1 µm
H zone after contraction = 0.4 µm, I band after contraction = 0.5 µm, A band = 1.1 µm
H zone after contraction = 0.4 µm, I band after contraction = 0.5 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 0.1 µm, A band = 1.5 µm (unchanged)
7.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 30 ms, whole twitch = 100 ms, latent period = 10 ms
contraction period = 30 ms, whole twitch = 110 ms, latent period = 15 ms
contraction period = 40 ms, whole twitch = 110 ms, latent period = 15 ms
contraction period = 60 ms, whole twitch = 100 ms, latent period = 30 ms
8.
The figure shows a sarcomere of 3.0 µm with A band 1.5 µm and H zone 0.5 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 3.0 µm with A band 1.5 µm and H zone 0.5 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.5 µm, I band after contraction = 0.7 µm, A band = 1.1 µm
H zone after contraction = 0.1 µm, I band after contraction = 1.1 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.1 µm, I band after contraction = 1.1 µm, A band = 1.1 µm
H zone after contraction = 0.5 µm, I band after contraction = 1.1 µm, A band = 1.5 µm (unchanged)
9.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 30 ms, whole twitch = 75 ms, latent period = 5 ms
contraction period = 35 ms, whole twitch = 80 ms, latent period = 5 ms
contraction period = 40 ms, whole twitch = 65 ms, latent period = 10 ms
contraction period = 40 ms, whole twitch = 75 ms, latent period = 5 ms
10.
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.4 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.4 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.4 µm, I band after contraction = 1 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0 µm, I band after contraction = 0.6 µm, A band = 1.2 µm
H zone after contraction = 0 µm, I band after contraction = 0.2 µm, A band = 1.2 µm
H zone after contraction = 0 µm, I band after contraction = 0.6 µm, A band = 1.6 µm (unchanged)
11.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 60 ms, whole twitch = 90 ms, latent period = 0 ms
contraction period = 40 ms, whole twitch = 100 ms, latent period = 50 ms
contraction period = 50 ms, whole twitch = 100 ms, latent period = 10 ms
contraction period = 60 ms, whole twitch = 100 ms, latent period = 15 ms
12.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 40 ms, whole twitch = 95 ms, latent period = 40 ms
contraction period = 45 ms, whole twitch = 85 ms, latent period = 0 ms
contraction period = 40 ms, whole twitch = 95 ms, latent period = 5 ms
contraction period = 40 ms, whole twitch = 90 ms, latent period = 5 ms
13.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 40 ms, whole twitch = 90 ms, latent period = 10 ms
contraction period = 50 ms, whole twitch = 100 ms, latent period = 10 ms
contraction period = 50 ms, whole twitch = 90 ms, latent period = 0 ms
contraction period = 50 ms, whole twitch = 90 ms, latent period = 40 ms
14.
A seedling stem was placed as shown (horizontal, in the dark). Which option is correct?
A seedling stem was placed as shown (horizontal, in the dark). Which option is correct?
auxin collects on the lower side, no bending
auxin collects on the upper side, stem bends upward
auxin spreads evenly, stem bends to the left
auxin collects on the lower side, stem bends upward
15.
The figure shows a sarcomere of 2.4 µm with A band 1.6 µm and H zone 0.6 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 2.4 µm with A band 1.6 µm and H zone 0.6 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.5 µm, I band after contraction = 0.4 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 0.6 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.6 µm, I band after contraction = 0.8 µm, A band = 1.4 µm
H zone after contraction = 0.8 µm, I band after contraction = 0.8 µm, A band = 1.4 µm
16.
The figure shows a sarcomere of 3.2 µm with A band 1.5 µm and H zone 0.5 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 3.2 µm with A band 1.5 µm and H zone 0.5 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.9 µm, I band after contraction = 1.3 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.1 µm, I band after contraction = 1.3 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.1 µm, I band after contraction = 1.7 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.1 µm, I band after contraction = 1.3 µm, A band = 1.1 µm
17.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 30 ms, whole twitch = 85 ms, latent period = 5 ms
contraction period = 30 ms, whole twitch = 90 ms, latent period = 0 ms
contraction period = 35 ms, whole twitch = 75 ms, latent period = 30 ms
contraction period = 35 ms, whole twitch = 85 ms, latent period = 5 ms
18.
The figure shows a sarcomere of 3.2 µm with A band 1.6 µm and H zone 0.4 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 3.2 µm with A band 1.6 µm and H zone 0.4 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.7 µm, I band after contraction = 1 µm, A band = 1.3 µm
H zone after contraction = 0.7 µm, I band after contraction = 2.8 µm, A band = 1.3 µm
H zone after contraction = 0.1 µm, I band after contraction = 1.3 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.25 µm, I band after contraction = 2.8 µm, A band = 1.6 µm (unchanged)
19.
A seedling stem was placed as shown (unilateral light). Which option is correct?
A seedling stem was placed as shown (unilateral light). Which option is correct?
auxin spreads evenly, no bending
auxin collects on the right (shaded) side, stem bends to the left
auxin collects on the left (lit) side, stem bends to the left
auxin collects on the right (shaded) side, no bending
20.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 50 ms, whole twitch = 115 ms, latent period = 0 ms
contraction period = 60 ms, whole twitch = 120 ms, latent period = 5 ms
contraction period = 50 ms, whole twitch = 115 ms, latent period = 5 ms
contraction period = 55 ms, whole twitch = 105 ms, latent period = 10 ms
21.
The figure shows a sarcomere of 2.8 µm with A band 1.5 µm and H zone 0.6 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 2.8 µm with A band 1.5 µm and H zone 0.6 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.2 µm, I band after contraction = 0.9 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.6 µm, I band after contraction = 0.5 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.2 µm, I band after contraction = 2.2 µm, A band = 1.1 µm
H zone after contraction = 0.2 µm, I band after contraction = 2.2 µm, A band = 1.5 µm (unchanged)
22.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 30 ms, whole twitch = 80 ms, latent period = 0 ms
contraction period = 40 ms, whole twitch = 95 ms, latent period = 30 ms
contraction period = 30 ms, whole twitch = 95 ms, latent period = 15 ms
contraction period = 45 ms, whole twitch = 95 ms, latent period = 20 ms
23.
The figure shows a sarcomere of 3.0 µm with A band 1.6 µm and H zone 0.6 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 3.0 µm with A band 1.6 µm and H zone 0.6 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.8 µm, I band after contraction = 1.2 µm, A band = 1.4 µm
H zone after contraction = 0.5 µm, I band after contraction = 2.4 µm, A band = 1.4 µm
H zone after contraction = 0.4 µm, I band after contraction = 1.4 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 1.2 µm, A band = 1.6 µm (unchanged)
24.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 40 ms, whole twitch = 85 ms, latent period = 5 ms
contraction period = 40 ms, whole twitch = 90 ms, latent period = 5 ms
contraction period = 45 ms, whole twitch = 90 ms, latent period = 5 ms
contraction period = 40 ms, whole twitch = 75 ms, latent period = 40 ms
25.
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.6 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.6 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.6 µm, I band after contraction = 2 µm, A band = 1.3 µm
H zone after contraction = 0.3 µm, I band after contraction = 0.7 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.3 µm, I band after contraction = 0.7 µm, A band = 1.3 µm
H zone after contraction = 0.3 µm, I band after contraction = 1 µm, A band = 1.6 µm (unchanged)
26.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 40 ms, whole twitch = 110 ms, latent period = 0 ms
contraction period = 50 ms, whole twitch = 110 ms, latent period = 40 ms
contraction period = 40 ms, whole twitch = 110 ms, latent period = 10 ms
contraction period = 60 ms, whole twitch = 100 ms, latent period = 0 ms
27.
The figure shows a sarcomere of 3.0 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 3.0 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.6 µm, I band after contraction = 0.7 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 1.1 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 1.2 µm, I band after contraction = 1.1 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 0.7 µm, A band = 1.5 µm (unchanged)
28.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 50 ms, whole twitch = 105 ms, latent period = 5 ms
contraction period = 60 ms, whole twitch = 100 ms, latent period = 5 ms
contraction period = 55 ms, whole twitch = 95 ms, latent period = 10 ms
contraction period = 55 ms, whole twitch = 105 ms, latent period = 10 ms
29.
A seedling stem was placed as shown (unilateral light). Which option is correct?
A seedling stem was placed as shown (unilateral light). Which option is correct?
auxin collects on the left (shaded) side, stem bends to the right
auxin collects on the left (shaded) side, no bending
auxin collects on the left (shaded) side, stem bends downward
auxin spreads evenly, stem bends to the right
30.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 45 ms, whole twitch = 70 ms, latent period = 20 ms
contraction period = 40 ms, whole twitch = 75 ms, latent period = 20 ms
contraction period = 30 ms, whole twitch = 85 ms, latent period = 15 ms
contraction period = 45 ms, whole twitch = 100 ms, latent period = 30 ms
31.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 50 ms, whole twitch = 95 ms, latent period = 5 ms
contraction period = 40 ms, whole twitch = 105 ms, latent period = 0 ms
contraction period = 40 ms, whole twitch = 105 ms, latent period = 5 ms
contraction period = 60 ms, whole twitch = 105 ms, latent period = 5 ms
32.
The figure shows a sarcomere of 3.0 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 3.0 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.65 µm, I band after contraction = 1.2 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.5 µm, I band after contraction = 1.2 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 1.1 µm, I band after contraction = 2.2 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 1.1 µm, I band after contraction = 0.9 µm, A band = 1.2 µm
33.
The figure shows a sarcomere of 2.8 µm with A band 1.6 µm and H zone 0.8 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 2.8 µm with A band 1.6 µm and H zone 0.8 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.4 µm, I band after contraction = 0.8 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.8 µm, I band after contraction = 0.8 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.6 µm, I band after contraction = 0.8 µm, A band = 1.2 µm
H zone after contraction = 0.4 µm, I band after contraction = 0.8 µm, A band = 1.2 µm
34.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 30 ms, whole twitch = 90 ms, latent period = 10 ms
contraction period = 50 ms, whole twitch = 80 ms, latent period = 10 ms
contraction period = 50 ms, whole twitch = 100 ms, latent period = 10 ms
contraction period = 40 ms, whole twitch = 100 ms, latent period = 0 ms
35.
The figure shows a sarcomere of 2.4 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 2.4 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.2 µm, I band after contraction = 0.7 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 0.5 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.3 µm, I band after contraction = 2 µm, A band = 1.3 µm
H zone after contraction = 0.2 µm, I band after contraction = 0.5 µm, A band = 1.5 µm (unchanged)
36.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 50 ms, whole twitch = 90 ms, latent period = 15 ms
contraction period = 40 ms, whole twitch = 120 ms, latent period = 40 ms
contraction period = 40 ms, whole twitch = 105 ms, latent period = 15 ms
contraction period = 55 ms, whole twitch = 90 ms, latent period = 20 ms
37.
The figure shows a sarcomere of 2.8 µm with A band 1.6 µm and H zone 0.8 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 2.8 µm with A band 1.6 µm and H zone 0.8 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.6 µm, I band after contraction = 1 µm, A band = 1.4 µm
H zone after contraction = 0.6 µm, I band after contraction = 1.2 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.6 µm, I band after contraction = 1 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.8 µm, I band after contraction = 2 µm, A band = 1.4 µm
38.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 50 ms, whole twitch = 100 ms, latent period = 10 ms
contraction period = 50 ms, whole twitch = 100 ms, latent period = 40 ms
contraction period = 40 ms, whole twitch = 100 ms, latent period = 10 ms
contraction period = 50 ms, whole twitch = 110 ms, latent period = 15 ms
39.
The figure shows a sarcomere of 3.0 µm with A band 1.5 µm and H zone 0.6 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 3.0 µm with A band 1.5 µm and H zone 0.6 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.6 µm, I band after contraction = 1.3 µm, A band = 1.3 µm
H zone after contraction = 0.6 µm, I band after contraction = 1.5 µm, A band = 1.3 µm
H zone after contraction = 0.8 µm, I band after contraction = 1.3 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 1.3 µm, A band = 1.5 µm (unchanged)
40.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 60 ms, whole twitch = 110 ms, latent period = 0 ms
contraction period = 50 ms, whole twitch = 125 ms, latent period = 15 ms
contraction period = 50 ms, whole twitch = 110 ms, latent period = 0 ms
contraction period = 50 ms, whole twitch = 115 ms, latent period = 15 ms
41.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 40 ms, whole twitch = 90 ms, latent period = 15 ms
contraction period = 30 ms, whole twitch = 120 ms, latent period = 15 ms
contraction period = 30 ms, whole twitch = 105 ms, latent period = 15 ms
contraction period = 60 ms, whole twitch = 95 ms, latent period = 0 ms
42.
The figure shows a sarcomere of 2.4 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 2.4 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.7 µm, I band after contraction = 0.7 µm, A band = 1.3 µm
H zone after contraction = 0.6 µm, I band after contraction = 0.7 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.6 µm, I band after contraction = 0.9 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.8 µm, I band after contraction = 0.5 µm, A band = 1.3 µm
43.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 40 ms, whole twitch = 90 ms, latent period = 30 ms
contraction period = 30 ms, whole twitch = 80 ms, latent period = 10 ms
contraction period = 40 ms, whole twitch = 80 ms, latent period = 15 ms
contraction period = 40 ms, whole twitch = 90 ms, latent period = 0 ms
44.
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.8 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.8 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.6 µm, I band after contraction = 1 µm, A band = 1.4 µm
H zone after contraction = 0.6 µm, I band after contraction = 0.8 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 1 µm, I band after contraction = 1.8 µm, A band = 1.4 µm
H zone after contraction = 0.6 µm, I band after contraction = 0.8 µm, A band = 1.4 µm
45.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 40 ms, whole twitch = 115 ms, latent period = 40 ms
contraction period = 50 ms, whole twitch = 115 ms, latent period = 20 ms
contraction period = 55 ms, whole twitch = 130 ms, latent period = 15 ms
contraction period = 40 ms, whole twitch = 115 ms, latent period = 15 ms
46.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 50 ms, whole twitch = 120 ms, latent period = 10 ms
contraction period = 60 ms, whole twitch = 120 ms, latent period = 10 ms
contraction period = 50 ms, whole twitch = 120 ms, latent period = 0 ms
contraction period = 60 ms, whole twitch = 130 ms, latent period = 15 ms
47.
The figure shows a sarcomere of 2.8 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 2.8 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.5 µm, I band after contraction = 0.7 µm, A band = 1.2 µm
H zone after contraction = 1.1 µm, I band after contraction = 0.7 µm, A band = 1.2 µm
H zone after contraction = 0.65 µm, I band after contraction = 1 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.5 µm, I band after contraction = 1 µm, A band = 1.5 µm (unchanged)
48.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 30 ms, whole twitch = 95 ms, latent period = 5 ms
contraction period = 30 ms, whole twitch = 100 ms, latent period = 0 ms
contraction period = 30 ms, whole twitch = 95 ms, latent period = 30 ms
contraction period = 40 ms, whole twitch = 95 ms, latent period = 0 ms
49.
The figure shows a sarcomere of 2.4 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 2.4 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.2 µm, I band after contraction = 1.9 µm, A band = 1.3 µm
H zone after contraction = 0.5 µm, I band after contraction = 0.5 µm, A band = 1.3 µm
H zone after contraction = 0.35 µm, I band after contraction = 0.2 µm, A band = 1.3 µm
H zone after contraction = 0.2 µm, I band after contraction = 0.5 µm, A band = 1.6 µm (unchanged)
50.
The figure shows a sarcomere of 2.4 µm with A band 1.6 µm and H zone 0.4 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 2.4 µm with A band 1.6 µm and H zone 0.4 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.4 µm, I band after contraction = 0.4 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = -2.2e-16 µm, A band = 1.2 µm
H zone after contraction = 0.2 µm, I band after contraction = 0.8 µm, A band = 1.2 µm
H zone after contraction = 0 µm, I band after contraction = 0.4 µm, A band = 1.6 µm (unchanged)
51.
The figure shows a sarcomere of 2.6 µm with A band 1.5 µm and H zone 0.5 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 2.6 µm with A band 1.5 µm and H zone 0.5 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.2 µm, I band after contraction = 0.8 µm, A band = 1.2 µm
H zone after contraction = 0.2 µm, I band after contraction = 0.8 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.35 µm, I band after contraction = 1.1 µm, A band = 1.2 µm
H zone after contraction = 0.35 µm, I band after contraction = 2.1 µm, A band = 1.2 µm
52.
The figure shows a sarcomere of 2.8 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 2.8 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.7 µm, I band after contraction = 1.3 µm, A band = 1.2 µm
H zone after contraction = 0.1 µm, I band after contraction = 1 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.7 µm, I band after contraction = 0.7 µm, A band = 1.2 µm
H zone after contraction = 0.25 µm, I band after contraction = 1 µm, A band = 1.2 µm
53.
The figure shows a sarcomere of 2.6 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 2.6 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.2 µm, I band after contraction = 1.1 µm, A band = 1.1 µm
H zone after contraction = 0.4 µm, I band after contraction = 0.7 µm, A band = 1.1 µm
H zone after contraction = 0 µm, I band after contraction = 0.7 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0 µm, I band after contraction = 2.2 µm, A band = 1.5 µm (unchanged)
54.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 60 ms, whole twitch = 120 ms, latent period = 15 ms
contraction period = 60 ms, whole twitch = 110 ms, latent period = 0 ms
contraction period = 50 ms, whole twitch = 110 ms, latent period = 10 ms
contraction period = 60 ms, whole twitch = 120 ms, latent period = 10 ms
55.
The figure shows a sarcomere of 3.2 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 3.2 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.5 µm, I band after contraction = 1.4 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.8 µm, I band after contraction = 1.4 µm, A band = 1.2 µm
H zone after contraction = 0.5 µm, I band after contraction = 1.1 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.65 µm, I band after contraction = 1.1 µm, A band = 1.5 µm (unchanged)
56.
The figure shows a sarcomere of 2.4 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 2.4 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.1 µm, I band after contraction = -2.2e-16 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.1 µm, I band after contraction = 0.4 µm, A band = 1.2 µm
H zone after contraction = 0.1 µm, I band after contraction = 0.4 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.3 µm, I band after contraction = 1.9 µm, A band = 1.6 µm (unchanged)
57.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 40 ms, whole twitch = 95 ms, latent period = 15 ms
contraction period = 50 ms, whole twitch = 85 ms, latent period = 40 ms
contraction period = 40 ms, whole twitch = 95 ms, latent period = 20 ms
contraction period = 55 ms, whole twitch = 110 ms, latent period = 0 ms
58.
The figure shows a sarcomere of 2.4 µm with A band 1.5 µm and H zone 0.6 µm; it then shortens by 0.3 µm. Which option is correct?
The figure shows a sarcomere of 2.4 µm with A band 1.5 µm and H zone 0.6 µm; it then shortens by 0.3 µm. Which option is correct?
H zone after contraction = 0.45 µm, I band after contraction = 1.8 µm, A band = 1.2 µm
H zone after contraction = 0.3 µm, I band after contraction = 0.6 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.3 µm, I band after contraction = 0.9 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.45 µm, I band after contraction = 0.6 µm, A band = 1.5 µm (unchanged)
59.
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
The graph is a single muscle twitch; the stimulus was given at t = 0. Which option is correct?
contraction period = 65 ms, whole twitch = 120 ms, latent period = 15 ms
contraction period = 50 ms, whole twitch = 105 ms, latent period = 50 ms
contraction period = 50 ms, whole twitch = 95 ms, latent period = 15 ms
contraction period = 50 ms, whole twitch = 105 ms, latent period = 15 ms
60.
The figure shows a sarcomere of 2.6 µm with A band 1.5 µm and H zone 0.6 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 2.6 µm with A band 1.5 µm and H zone 0.6 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.5 µm, I band after contraction = 2 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.6 µm, I band after contraction = 2 µm, A band = 1.3 µm
H zone after contraction = 0.4 µm, I band after contraction = 0.9 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.6 µm, I band after contraction = 0.9 µm, A band = 1.3 µm
61.
The figure shows a sarcomere of 3.2 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 3.2 µm with A band 1.5 µm and H zone 0.4 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.2 µm, I band after contraction = 1.5 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.3 µm, I band after contraction = 1.5 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.2 µm, I band after contraction = 2.8 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 1.5 µm, A band = 1.3 µm
62.
The figure shows a sarcomere of 3.2 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 3.2 µm with A band 1.5 µm and H zone 0.8 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.8 µm, I band after contraction = 2.4 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 0.6 µm, I band after contraction = 1.5 µm, A band = 1.3 µm
H zone after contraction = 0.6 µm, I band after contraction = 1.5 µm, A band = 1.5 µm (unchanged)
H zone after contraction = 1 µm, I band after contraction = 2.4 µm, A band = 1.3 µm
63.
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.4 µm; it then shortens by 0.2 µm. Which option is correct?
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.4 µm; it then shortens by 0.2 µm. Which option is correct?
H zone after contraction = 0.6 µm, I band after contraction = 2.2 µm, A band = 1.4 µm
H zone after contraction = 0.2 µm, I band after contraction = 2.2 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.2 µm, I band after contraction = 0.8 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.2 µm, I band after contraction = 0.6 µm, A band = 1.6 µm (unchanged)
64.
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 2.6 µm with A band 1.6 µm and H zone 0.5 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0.1 µm, I band after contraction = 2.1 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.1 µm, I band after contraction = 1 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.1 µm, I band after contraction = 0.6 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.1 µm, I band after contraction = 0.2 µm, A band = 1.6 µm (unchanged)
65.
The figure shows a sarcomere of 3.2 µm with A band 1.6 µm and H zone 0.4 µm; it then shortens by 0.4 µm. Which option is correct?
The figure shows a sarcomere of 3.2 µm with A band 1.6 µm and H zone 0.4 µm; it then shortens by 0.4 µm. Which option is correct?
H zone after contraction = 0 µm, I band after contraction = 2.8 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.4 µm, I band after contraction = 1.2 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0 µm, I band after contraction = 1.2 µm, A band = 1.6 µm (unchanged)
H zone after contraction = 0.2 µm, I band after contraction = 0.8 µm, A band = 1.2 µm
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65