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Course: Alhussan Biology — Stage 9
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Alhussan Biology — Stage 9

Chapter 9: Plants and Photosynthesis

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Chapter 10: Excretion in Humans

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Chapter 11: Human Genetics and Development

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Chapter 12: The Carbon Cycle and Climate Change

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Chapter 13: Variation and Natural Selection

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Quiz

Biology 10.4 When kidneys go wrong — Quiz

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  • Questions count: 50
  • Passing grade: B+
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1.
Which statement is NOT correct?
Kidney disease is very rare as a cause of death.
Failing kidneys do not always mean death.
Kidneys can be damaged by infection, diabetes or high blood pressure.
Glucose is not lost in dialysis because the fluid already has it.
2.
Blood urea of a dialysis patient over a week. At what value of "Day" is "Blood urea (mmol/L)" greatest?
Dr Dabour Hub Academy - figure 1
0
3
6
1
3.
Blood urea of a dialysis patient over a week. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 2
A
B
C
D
4.
Which statement is NOT correct?
Failing kidneys do not always mean death.
Glucose is not lost in dialysis because the fluid already has it.
Urea is pumped out by active transport in dialysis.
Dialysis fluid is renewed to keep the gradient steep.
5.
Which is the correct definition of “Rejection”?
Undigested material egested from the gut.
Giving a patient a kidney from a donor.
Active at night.
The immune system attacking a transplanted organ.
6.
Patients waiting rose from 40 to 90 thousand. Calculate the percentage increase.
50%
125%
56%
225%
7.
Urea in blood during a dialysis session. Calculate the percentage change in "Urea (mmol/L)" from 0 to 4.
Dr Dabour Hub Academy - figure 3
40%
−150%
60%
−60%
8.
Causes of kidney failure (%). Which has the smallest value?
Dr Dabour Hub Academy - figure 4
Inherited
Infection
Diabetes
High blood pressure
9.
Patients waiting rose from 45 to 90 thousand. Calculate the percentage increase.
50%
200%
45%
100%
10.
Which statement is NOT correct?
Proteins and blood cells are too big to pass.
Symptoms include tiredness and swelling of the ankles.
Dialysis takes about 4 hours three times a week.
Dialysis fluid is never changed.
11.
Urea fell from 30 to 14 mmol/L in a session. Calculate the percentage decrease.
47%
16%
114%
53%
12.
Which is a disadvantage of dialysis?
It needs a donor
Machines are expensive and sessions take many hours
It is done once a year
It cures kidney disease permanently
13.
Which is the correct definition of “Concentration gradient”?
Selective uptake of useful substances back into blood.
Cup-shaped part of the nephron around the glomerulus.
Separation by size at the glomerulus.
Difference that drives diffusion of urea.
14.
Dialysis is 3 hours, 3 times a week. How many hours a year? (52 weeks)
9 hours
156 hours
468 hours
4680 hours
15.
Urea in blood during a dialysis session. At what value of "Time (h)" is "Urea (mmol/L)" smallest?
Dr Dabour Hub Academy - figure 5
3
2
0
4
16.
Causes of kidney failure (%). What is the total of all the values?
Dr Dabour Hub Academy - figure 6
100
89
40
111
17.
Blood urea of a dialysis patient over a week. Which statement best describes the pattern?
Dr Dabour Hub Academy - figure 7
"Blood urea (mmol/L)" rises to a peak at 6, then falls
"Blood urea (mmol/L)" stays the same
"Blood urea (mmol/L)" decreases as "Day" increases
"Blood urea (mmol/L)" increases as "Day" increases
18.
Kidney disease caused 4.6% of 50 million deaths. How many deaths?
54.6 million
2.3 million
10.9 million
230.0 million
19.
Patients waiting rose from 50 to 90 thousand. Calculate the percentage increase.
180%
40%
80%
44%
20.
Blood urea of a dialysis patient over a week. Between which two values of "Day" did "Blood urea (mmol/L)" change the most?
Dr Dabour Hub Academy - figure 8
4 and 5
5 and 6
2 and 3
6 and 7
21.
Which statement is correct?
Dialysis takes five minutes once a month.
Dialysis fluid is renewed to keep the gradient steep.
A transplant is placed in the chest.
Dialysis fluid contains no glucose.
22.
Causes of kidney failure (%). About how many times bigger is Diabetes than Inherited?
Dr Dabour Hub Academy - figure 9
10.0
2.5
7.5
5.0
23.
Patients waiting for kidney transplants. At what value of "Year" is "Patients waiting (thousands)" smallest?
Dr Dabour Hub Academy - figure 10
2020
2010
2000
2005
24.
Dialysis is 5 hours, 2 times a week. How many hours a year? (52 weeks)
104 hours
520 hours
260 hours
10 hours
25.
Patients waiting for kidney transplants. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 11
A
B
C
D
26.
Which statement is correct?
Kidney disease caused 4.6% of all deaths in 2017.
Urea is pumped out by active transport in dialysis.
A transplant is placed in the chest.
Dialysis machines are cheap and plentiful.
27.
Urea in blood during a dialysis session. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 12
A
B
C
D
28.
Dialysis is 4 hours, 3 times a week. How many hours a year? (52 weeks)
208 hours
156 hours
12 hours
624 hours
29.
Which term matches this definition? “A sign of illness.”
Symptom
Concentrated urine
Excretion
Beaver
30.
Which statement is correct?
Blood cells pass through the dialysis membrane.
Dialysis fluid is never changed.
Dialysis machines are cheap and plentiful.
Symptoms include tiredness and swelling of the ankles.
31.
Urea fell from 28 to 10 mmol/L in a session. Calculate the percentage decrease.
64%
18%
180%
36%
32.
Urea, excess salts and water diffuse into the dialysis ____.
blood
fluid
kidney
bladder
33.
Kidney disease caused ____% of all deaths in 2017.
14.6
4.6
0.46
46
34.
Dialysis can be done in hospital or at ____.
work only
school only
home
sea
35.
The new kidney is joined to blood vessels and the ____.
liver
heart
lungs
bladder
36.
A transplanted kidney is placed in the lower ____.
chest
arm
neck
abdomen
37.
Glucose is ____ in dialysis because the fluid already has it.
added
destroyed
not lost
lost
38.
A typical dialysis session takes about ____ hours, three times a week.
24
1
12
4
39.
True or false? Dialysis can be done in hospital or at home.
True
False
40.
True or false? Urea moves into the fluid by diffusion.
True
False
41.
True or false? The new kidney is joined to blood vessels and the bladder.
True
False
42.
True or false? Dialysis takes five minutes once a month.
True
False
43.
True or false? A transplant is placed in the chest.
True
False
44.
True or false? When kidneys fail, toxic urea builds up.
True
False
45.
True or false? Dialysis machines are expensive.
True
False
46.
True or false? Kidney disease is very rare as a cause of death.
True
False
47.
True or false? Kidney failure has no symptoms.
True
False
48.
True or false? Dialysis machines are cheap and plentiful.
True
False
49.
True or false? A transplant comes from a donor.
True
False
50.
True or false? Dialysis fluid is renewed constantly to keep the concentration gradient steep.
True
False
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Part of Chapter 10: Excretion in Humans — see every lesson and quiz in this unit.
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