Question 1

Which of the choices below is the salt level-monitoring part of the nephron?

Accepted Answer

A)  nephron loop
B)  vasa recta
C)  principal cell
D)  macula densaE) B) and C)
F) None of the above

Question 2

Urea is reabsorbed in the nephron loop.

Accepted Answer

A) True 
 B)False

Question 3

Reabsorption of nutrients like glucose and amino acids takes place in the proximal convoluted tubule (PCT) via cotransporters that utilize secondary active transport.Which of the following would stop the reabsorption of glucose at the apical surface of the cells in the PCT?

Accepted Answer

A)  loss of Na+-K+ ATPase in the basolateral surface of PCT cells
B)  loss of K+ leak channels at the apical surface
C)  increasing Na+ concentration in the filtrate
D)  increasing Na+ in the interstitial fluidE) A) and B)
F) None of the above

Question 4

The urinary bladder is composed of ________ epithelium.

Accepted Answer

A)  transitional
B)  stratified squamous
C)  pseudostratified columnar
D)  simple squamousE) A) and D)
F) All of the above

Question 5

The entire responsibility for urine formation lies with the nephron.

Accepted Answer

A) True 
 B)False

Question 6

If the glomerular mesangial cells contract,reducing the overall surface area of the glomerulus which of the following is not likely to occur?

Accepted Answer

A)  Systemic blood pressure will be lowered.
B)  Glomerular filtration rate will decrease.
C)  Net filtration rate will decrease.
D)  Urine output will decrease.E) A) and B)
F) A) and C)

Question 7

The filtration membrane includes all except ________.

Accepted Answer

A)  basement membrane
B)  renal fascia
C)  glomerular endothelium
D)  podocytesE) A) and B)
F) All of the above

Question 8

An increase in the permeability of the cells of the collecting tubule to water is due to a(n) ________.

Accepted Answer

A)  increase in the production of ADH
B)  decrease in the concentration of the blood plasma
C)  increase in the production of aldosterone
D)  decrease in the production of ADHE) B) and C)
F) All of the above

Question 9

The macula densa cells respond to ________.

Accepted Answer

A)  changes in pressure in the tubule
B)  aldosterone
C)  antidiuretic hormone
D)  changes in Na+ content of the filtrateE) All of the above
F) C) and D)

Question 10

Alcohol acts as a diuretic because it ________.

Accepted Answer

A)  is not reabsorbed by the tubule cells
B)  inhibits the release of ADH
C)  increases the rate of glomerular filtration
D)  increases secretion of ADHE) A) and C)
F) A) and D)

Question 11

Which of the following does not describe the justaglomerular complex?

Accepted Answer

A)  Its granular cells produce rennin.
B)  Its macula densa cells produce aldosterone.
C)  It helps control systemic blood pressure.
D)  It regulates the rate of filtrate formation.E) B) and D)
F) A) and B)

Question 12

The descending limb of the nephron loop ________.

Accepted Answer

A)  is not permeable to water
B)  is freely permeable to sodium and urea
C)  contains fluid that becomes more concentrated as it moves down into the medulla
D)  pulls water by osmosis into the lumen of the tubuleE) A) and C)
F) A) and D)

Question 13

Which of the following statements best describes the difference between the intrinsic and extrinsic controls of the kidney?

Accepted Answer

A)  Extrinsic controls have the greatest effect on systemic blood pressure while intrinsic control have a greater effect on GFR.
B)  Extrinsic controls will reduce blood plasma volume while intrinsic controls will increase blood plasma volumes.
C)  Intrinsic controls raise blood pressure while extrinsic controls lower blood pressure.
D)  Extrinsic and intrinsic controls work in nearly opposite ways.E) None of the above
F) B) and C)

Question 14

If the diameter of the afferent arterioles leading to the glomerulus increases (vasodilation) which of the following is not likely to occur?

Accepted Answer

A)  Net filtration pressure will increase.
B)  Urine output will increase.
C)  Systemic blood pressure will go up.
D)  Glomerular filtration rate will increase.E) A) and B)
F) C) and D)

Question 15

The urethra contains an internal sphincter of smooth muscle.

Accepted Answer

A) True 
 B)False

Question 16

Select the correct statement about the ureters.

Accepted Answer

A)  The ureters are capable of peristalsis like that of the gastrointestinal tract.
B)  Ureters contain sphincters at the entrance to the bladder to prevent the backflow of urine.
C)  The ureter is innervated by parasympathetic nerve endings only.
D)  The epithelium is stratified squamous like the skin,which allows a great deal of stretch.E) B) and C)
F) A) and B)

Question 17

Blood in the urine may be a symptom of bladder cancer.

Accepted Answer

A) True 
 B)False

Question 18

The thin segment of the nephron loop's descending limb ________.

Accepted Answer

A)  helps to pack a greater number of nephron loops into a smaller space
B)  aids in the passive excretion of nitrogenous waste
C)  is easily broken and replaced often
D)  aids in the passive movement of water out of the tubuleE) A) and D)
F) All of the above

Question 19

Eleven-year-old Harry is complaining of a severe sore throat and gets to stay home from school.His pediatrician prescribes a course of broad-spectrum antibiotics,and Harry feels much better within a few days.However,some two weeks later,Harry has a dull,bilateral pain in his lower back and his urine is a smoky brown color.On the basis of Harry's signs and symptoms,diagnose his condition and indicate the relationship (if any)between his present condition and his earlier sore throat.

Accepted Answer

Harry is showing the symptoms of kidney ...

Question 20

Both the male and female urethras serve both the urinary and the reproductive systems.

Accepted Answer

A) True 
 B)False

Exam 25: The Urinary System

Urea is reabsorbed in the nephron loop.

Correct Answer
verified

Which of the following does not describe the justaglomerular complex?

Correct Answer
verified

The thin segment of the nephron loop's descending limb ________.

Correct Answer
verified

Alcohol acts as a diuretic because it ________.

Correct Answer
verified

Which of the following statements best describes the difference between the intrinsic and extrinsic controls of the kidney?

Correct Answer
verified

If the glomerular mesangial cells contract,reducing the overall surface area of the glomerulus which of the following is not likely to occur?

Correct Answer
verified

If the diameter of the afferent arterioles leading to the glomerulus increases (vasodilation) which of the following is not likely to occur?

Correct Answer
verified

Which of the choices below is the salt level-monitoring part of the nephron?

Correct Answer
verified

Correct Answer
verified
Harry is showing the symptoms of kidney ...
View Answer

The entire responsibility for urine formation lies with the nephron.

Correct Answer
verified

Both the male and female urethras serve both the urinary and the reproductive systems.

Correct Answer
verified

Select the correct statement about the ureters.

Correct Answer
verified

The macula densa cells respond to ________.

Correct Answer
verified

The urinary bladder is composed of ________ epithelium.

Correct Answer
verified

The urethra contains an internal sphincter of smooth muscle.

Correct Answer
verified

An increase in the permeability of the cells of the collecting tubule to water is due to a(n) ________.

Correct Answer
verified

The descending limb of the nephron loop ________.

Correct Answer
verified

Blood in the urine may be a symptom of bladder cancer.

Correct Answer
verified

Reabsorption of nutrients like glucose and amino acids takes place in the proximal convoluted tubule (PCT) via cotransporters that utilize secondary active transport.Which of the following would stop the reabsorption of glucose at the apical surface of the cells in the PCT?

Correct Answer
verified

The filtration membrane includes all except ________.

Correct Answer
verified

Exam 25: The Urinary System

Urea is reabsorbed in the nephron loop.

Correct AnswerverifiedShow Answer

Which of the following does not describe the justaglomerular complex?

Correct AnswerverifiedShow Answer

The thin segment of the nephron loop's descending limb ________.

Correct AnswerverifiedShow Answer

Alcohol acts as a diuretic because it ________.

Correct AnswerverifiedShow Answer

Which of the following statements best describes the difference between the intrinsic and extrinsic controls of the kidney?

Correct AnswerverifiedShow Answer

If the glomerular mesangial cells contract,reducing the overall surface area of the glomerulus which of the following is not likely to occur?

Correct AnswerverifiedShow Answer

If the diameter of the afferent arterioles leading to the glomerulus increases (vasodilation) which of the following is not likely to occur?

Correct AnswerverifiedShow Answer

Which of the choices below is the salt level-monitoring part of the nephron?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedHarry is showing the symptoms of kidney ...View AnswerShow Answer

The entire responsibility for urine formation lies with the nephron.

Correct AnswerverifiedShow Answer

Both the male and female urethras serve both the urinary and the reproductive systems.

Correct AnswerverifiedShow Answer

Select the correct statement about the ureters.

Correct AnswerverifiedShow Answer

The macula densa cells respond to ________.

Correct AnswerverifiedShow Answer

The urinary bladder is composed of ________ epithelium.

Correct AnswerverifiedShow Answer

The urethra contains an internal sphincter of smooth muscle.

Correct AnswerverifiedShow Answer

An increase in the permeability of the cells of the collecting tubule to water is due to a(n) ________.

Correct AnswerverifiedShow Answer

The descending limb of the nephron loop ________.

Correct AnswerverifiedShow Answer

Blood in the urine may be a symptom of bladder cancer.

Correct AnswerverifiedShow Answer

Reabsorption of nutrients like glucose and amino acids takes place in the proximal convoluted tubule (PCT) via cotransporters that utilize secondary active transport.Which of the following would stop the reabsorption of glucose at the apical surface of the cells in the PCT?

Correct AnswerverifiedShow Answer

The filtration membrane includes all except ________.

Correct AnswerverifiedShow Answer

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verified
Harry is showing the symptoms of kidney ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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