Question 1

Normal urine from a healthy person should not contain __________.

Accepted Answer

A)  creatinine
B)  urobilin
C)  glucose
D)  ammonia
E)  magnesiumF) All of the above
G) B) and D)

Question 2

Aldosterone acts on the __________.

Accepted Answer

A)  proximal convoluted tubule
B)  medullary portion of the collecting duct
C)  descending limb of the nephron loop
D)  distal convoluted tubule
E)  glomerulusF) A) and B)
G) A) and C)

Question 3

In response to a drop in overall blood pressure,__________ stimulates constriction of the glomerular inlet and even greater constriction of the outlet.

Accepted Answer

A)  azotemia
B)  sodium chloride
C)  parathyroid hormone
D)  aldosterone
E)  angiotensin IIF) A) and B)
G) B) and E)

Question 4

Total saturation of protein transporters for a given solute in the renal tubules would result in __________.

Accepted Answer

A)  reabsorption of all the solute
B)  a renal clearance of zero
C)  a net filtration pressure of 1.0
D)  appearance of that solute in the urine
E)  absence of that solute from the urineF) A) and B)
G) B) and E)

Question 5

Which of the following are primarily responsible for maintaining the salinity gradient of the renal medulla?

Accepted Answer

A)  Cortical nephrons
B)  Juxtamedullary nephrons
C)  Collecting ducts
D)  Proximal convoluted tubules
E)  Distal convoluted tubulesF) A) and B)
G) None of the above

Question 6

The countercurrent multiplier mechanism for water conservation was discovered by limiting studies to humans and thus hypothesizing how form determines function.

Accepted Answer

A) True 
 B)False

Question 7

The fenestrated endothelium of the capillary has pores small enough to exclude blood cells from the filtrate.

Accepted Answer

A) True 
 B)False

Exam 23: The Urinary System

Which of the following are primarily responsible for maintaining the salinity gradient of the renal medulla?

Correct Answer
verified

Normal urine from a healthy person should not contain __________.

Correct Answer
verified

The fenestrated endothelium of the capillary has pores small enough to exclude blood cells from the filtrate.

Correct Answer
verified

Aldosterone acts on the __________.

Correct Answer
verified

In response to a drop in overall blood pressure,__________ stimulates constriction of the glomerular inlet and even greater constriction of the outlet.

Correct Answer
verified

Total saturation of protein transporters for a given solute in the renal tubules would result in __________.

Correct Answer
verified

The countercurrent multiplier mechanism for water conservation was discovered by limiting studies to humans and thus hypothesizing how form determines function.

Correct Answer
verified

Exam 23: The Urinary System

Which of the following are primarily responsible for maintaining the salinity gradient of the renal medulla?

Correct AnswerverifiedShow Answer

Normal urine from a healthy person should not contain __________.

Correct AnswerverifiedShow Answer

The fenestrated endothelium of the capillary has pores small enough to exclude blood cells from the filtrate.

Correct AnswerverifiedShow Answer

Aldosterone acts on the __________.

Correct AnswerverifiedShow Answer

In response to a drop in overall blood pressure,__________ stimulates constriction of the glomerular inlet and even greater constriction of the outlet.

Correct AnswerverifiedShow Answer

Total saturation of protein transporters for a given solute in the renal tubules would result in __________.

Correct AnswerverifiedShow Answer

The countercurrent multiplier mechanism for water conservation was discovered by limiting studies to humans and thus hypothesizing how form determines function.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified