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Alhussan Biology — Stage 8

Chapter 5: Respiration and the Respiratory System

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Chapter 6: Nutrition, Health and Movement

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Chapter 7: The Health of the Environment

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Chapter 8: Weather and Climate

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Quiz

5.7 The effect of exercise on the breathing rate — Quiz

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  • Questions count: 50
  • Passing grade: B+
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1.
Breathing rate of a student before, during and after exercise (exercise 2–6 min). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 1
A
B
C
D
2.
A student counted 5 breaths in 30 seconds. What is the rate per minute?
2 breaths/min
150 breaths/min
100 breaths/min
10 breaths/min
3.
Which is the correct definition of “Baseline”?
A long-term condition where airways become inflamed and narrow.
A device that records sensor readings automatically.
Protein in red blood cells that carries oxygen.
The resting reading used for comparison.
4.
In intense exercise breathing can rise to ____ or more per minute.
5
10
40
200
5.
Recovery time of students with different fitness. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 2
A
B
C
D
6.
Faster respiration produces more ____.
glucose
carbon dioxide
oxygen
nitrogen
7.
Breathing rate with increasing step-up rate. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 3
A
B
C
D
8.
Breathing rate of a student before, during and after exercise (exercise 2–6 min). Which statement best describes the pattern?
Dr Dabour Hub Academy - figure 4
"Breaths per minute" increases as "Time (min)" increases
"Breaths per minute" rises to a peak at 6, then falls
"Breaths per minute" decreases as "Time (min)" increases
"Breaths per minute" stays the same
9.
People may breathe differently when they are ____.
young
watched
tall
asleep
10.
Which term matches this definition? “The reading taken at rest, used to compare with readings after exercise.”
Baseline
Anomaly
Prediction
Mean
11.
Which statement is correct?
Resting between trials is unnecessary.
Talking before a resting count is fine.
In intense exercise breathing can rise to 40 or more per minute.
Fitter people have higher resting rates.
12.
Three counts were 31, 35 and 31 breaths per minute. What is the mean?
97.0 breaths/min
323.3 breaths/min
32.3 breaths/min
33.0 breaths/min
13.
Breathing rate rose from 14 to 40 per minute. Calculate the percentage increase.
65%
26%
186%
286%
14.
A student counted 6 breaths in 15 seconds. What is the rate per minute?
24 breaths/min
2 breaths/min
240 breaths/min
90 breaths/min
15.
Recovery time of students with different fitness. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 5
A
B
C
D
16.
Breathing rate of a student before, during and after exercise (exercise 2–6 min). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 6
A
B
C
D
17.
Which term matches this definition? “A result that does not fit the pattern.”
Alveoli
Recovery
Mitochondria
Anomaly
18.
Recovery time of students with different fitness. Which has the smallest value?
Dr Dabour Hub Academy - figure 7
B
D
C
A
19.
Whole-class data are useful because individual differences ____.
disappear
average out
hide
double
20.
True or false? Carbon dioxide makes blood slightly acidic.
True
False
21.
Breathing rate of a student before, during and after exercise (exercise 2–6 min). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 8
A
B
C
D
22.
A student counted 5 breaths in 20 seconds. What is the rate per minute?
150 breaths/min
2 breaths/min
15 breaths/min
100 breaths/min
23.
True or false? Heart rate also rises during exercise.
True
False
24.
Which statement is NOT correct?
Resting between trials is unnecessary.
A sensor and data logger make counting more reliable.
Counting breaths is subjective.
Resting between trials returns the breathing rate to normal.
25.
Mean breathing rate after different activities. What is the value for Walking?
Dr Dabour Hub Academy - figure 9
52
19
23
39
26.
True or false? Fitter people have higher resting rates.
True
False
27.
True or false? Oxygen sensors in the brain control breathing rate.
True
False
28.
Recovery time of students with different fitness. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 10
A
B
C
D
29.
Breathing rate of a student before, during and after exercise (exercise 2–6 min). By how much does "Breaths per minute" change between 0 and 12?
Dr Dabour Hub Academy - figure 11
1
0
36
18
30.
Fitter people have ____ resting breathing rates.
lower
no
higher
the same
31.
The independent variable could be the type or ____ of exercise.
duration
colour
name
age only
32.
True or false? In intense exercise breathing can rise to 40 or more per minute.
True
False
33.
Breathing rate of a student before, during and after exercise (exercise 2–6 min). At what value of "Time (min)" is "Breaths per minute" greatest?
Dr Dabour Hub Academy - figure 12
10
0
6
2
34.
Which term matches this definition? “One run of an experiment.”
Diaphragm
Alveolus
Pneumonia
Trial
35.
Which statement is correct?
Talking before a resting count is fine.
A typical resting breathing rate is 12 to 20 breaths per minute.
One student's data are better than whole-class data.
Oxygen sensors in the brain control breathing rate.
36.
Sensors in the brain detect a rise in ____ in the blood and increase breathing rate.
carbon dioxide
glucose
nitrogen
oxygen
37.
Heart rate also ____ during exercise.
stops
rises
stays the same
falls
38.
Breathing rate of a student before, during and after exercise (exercise 2–6 min). At what value of "Time (min)" is "Breaths per minute" smallest?
Dr Dabour Hub Academy - figure 13
0
6
2
12
39.
Mean breathing rate after different activities. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 14
A
B
C
D
40.
True or false? People may breathe differently when they are watched.
True
False
41.
Three counts were 30, 33 and 31 breaths per minute. What is the mean?
94.0 breaths/min
32.5 breaths/min
31.3 breaths/min
313.3 breaths/min
42.
A student counted 5 breaths in 15 seconds. What is the rate per minute?
2 breaths/min
75 breaths/min
20 breaths/min
200 breaths/min
43.
Which term matches this definition? “How well the heart, lungs and muscles cope with exercise.”
Urea
Capillary
Fitness
Lactic acid
44.
Which term matches this definition? “The return of breathing rate to normal after exercise.”
Emphysema
Oxygen debt
Recovery
Chronic
45.
During exercise both breathing rate and ____ increase.
hair
colour
length of bones
depth
46.
Which is the correct definition of “Heart rate”?
The return of breathing rate to normal after exercise.
Tiny air sacs where gas exchange happens.
A medicine that reduces airway inflammation.
The number of heart beats per minute.
47.
Which is the correct definition of “Trial”?
One run of an experiment.
A model of breathing with a jar, balloons and a sheet.
Time a mammal spends under water on one breath.
Long-lasting.
48.
Which is the correct definition of “Recovery”?
Breakdown of alveolar walls giving larger, fewer air sacs.
Sticky substance from smoking that damages the lining.
The number of breaths per minute.
The return of breathing rate to normal after exercise.
49.
Carbon dioxide makes blood slightly ____.
alkaline
sweet
acidic
neutral
50.
The graph shows breathing rate before, during and after exercise for two students. Which conclusion is correct?
Dr Dabour Hub Academy - figure 15
Student A is fitter: lower resting rate and faster recovery
Exercise lowers breathing rate
Student B is fitter
Both students are equally fit
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Part of Chapter 5: Respiration and the Respiratory System — see every lesson and quiz in this unit.
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