Question 1

Angiotensin II is a substance made by the body to lower blood pressure during stress.

Accepted Answer

A) True 
 B)False

Question 2

Alcohol acts as a diuretic because it ________.

Accepted Answer

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

Question 3

The mechanism that establishes the medullary osmotic gradient depends most on the permeability properties of the ________.

Accepted Answer

A)   nephron loop
B)   glomerular filtration membrane
C)   collecting duct
D)   distal convoluted tubuleE) B) and C)
F) All of the above

Question 4

Explain how filtration works in the glomerular capillaries.

Accepted Answer

The glomerular capillaries are fenestrat...

Question 5

The chief force pushing water and solutes out of the blood across the filtration membrane is ________.

Accepted Answer

A)   the ionic electrochemical gradient
B)   protein-regulated diffusion
C)   glomerular hydrostatic pressure (glomerular blood pressure) 
D)   the size of the pores in the basement membrane of the capillariesE) C) and D)
F) A) and B)

Question 6

Which of the choices below is not a glomerular filtration rate control method?

Accepted Answer

A)   renal autoregulation
B)   neural regulation
C)   electrolyte levels
D)   hormonal regulationE) A) and C)
F) B) and D)

Question 7

The urethra contains an internal sphincter of smooth muscle.

Accepted Answer

A) True 
 B)False

Question 8

Figure 24.1
Using Figure 24.1, match the following:
-Structure most closely associated with granular cells.

Accepted Answer

The answer of  
Figure 24.1
Using Figure 24.1, match the...

Question 9

Match the following:
A) Glomerular capillaries
B) Peritubular capillaries
C) Efferent arterioles
D) Vasa recta
E) Afferent arterioles
-High pressure vessel that forces fluid and solutes into the glomerular capsule.

Accepted Answer

The answer of Match the following:
A) Glomerular capillaries
B) Peritubular capillaries
C)...

Question 10

Figure 24.2
Using Figure 24.2, match the following:
-Cells that are the most active in reabsorbing the filtrate.

Accepted Answer

The answer of  
Figure 24.2
Using Figure 24.2, match the...

Question 11

The entire responsibility for urine formation lies with the nephron.

Accepted Answer

A) True 
 B)False

Question 12

Figure 24.1
Using Figure 24.1, match the following:
-Nephron loop.

Accepted Answer

The answer of  
Figure 24.1
Using Figure 24.1, match the...

Question 13

The area between the ureters and urethra is called the ________ in a bladder.

Accepted Answer

The answer of The area between the ureters and urethra...

Question 14

If one says that the clearance value of glucose is zero, what does this mean?

Accepted Answer

A)   The glucose molecule is too large to be filtered out of the blood.
B)   Most of the glucose is filtered out of the blood and is not reabsorbed in the convoluted tubules.
C)   Normally all the glucose is reabsorbed.
D)   The clearance value of glucose is relatively high in a healthy adult.E) All of the above
F) A) and B)

Question 15

ADH activated water channels called ________ are essential for water reabsorption in the collecting duct.

Accepted Answer

The answer of ADH activated water channels called ________ are...

Question 16

Match the following:
A) Site that drains the distal convoluted tubule
B) Blood supply that directly receives substances from the tubular cells.
C) Site at which most of the tubular reabsorption occurs
D) Site of filtrate formation.
-Glomerulus.

Accepted Answer

The answer of Match the following:
A) Site that drains the...

Question 17

The mechanism of water reabsorption by the renal tubules is ________.

Accepted Answer

A)   active transport
B)   osmosis
C)   filtration
D)   cotransport with sodium ionsE) All of the above
F) C) and D)

Question 18

What clinical effects would low blood pressure have on the kidneys of a burn patient?

Accepted Answer

This patient would have a much lower glo...

Question 19

Explain how an angiotensin converting enzyme inhibitor (ACE inhibitor) such as captopril would be effective as an antihypertensive.

Accepted Answer

Angiotensin II is a potent vasoconstrict...

Question 20

Which of the hormones below is responsible for facultative water reabsorption?

Accepted Answer

A)   ADH
B)   thyroxine
C)   aldosterone
D)   atrial natriuretic peptideE) C) and D)
F) A) and D)

Exam 24: The Urinary System

Match the following: A) Site that drains the distal convoluted tubule B) Blood supply that directly receives substances from the tubular cells. C) Site at which most of the tubular reabsorption occurs D) Site of filtrate formation. -Glomerulus.

Correct AnswerverifiedShow Answer

Explain how filtration works in the glomerular capillaries.

Correct AnswerverifiedThe glomerular capillaries are fenestrat...View AnswerShow Answer

What clinical effects would low blood pressure have on the kidneys of a burn patient?

Correct AnswerverifiedThis patient would have a much lower glo...View AnswerShow Answer

Angiotensin II is a substance made by the body to lower blood pressure during stress.

Correct AnswerverifiedShow Answer

The mechanism that establishes the medullary osmotic gradient depends most on the permeability properties of the ________.

Correct AnswerverifiedShow Answer

Which of the hormones below is responsible for facultative water reabsorption?

Correct AnswerverifiedShow Answer

Match the following: A) Glomerular capillaries B) Peritubular capillaries C) Efferent arterioles D) Vasa recta E) Afferent arterioles -High pressure vessel that forces fluid and solutes into the glomerular capsule.

Correct AnswerverifiedShow Answer

Explain how an angiotensin converting enzyme inhibitor (ACE inhibitor) such as captopril would be effective as an antihypertensive.

Correct AnswerverifiedAngiotensin II is a potent vasoconstrict...View AnswerShow Answer

Which of the choices below is not a glomerular filtration rate control method?

Correct AnswerverifiedShow Answer

ADH activated water channels called ________ are essential for water reabsorption in the collecting duct.

Correct AnswerverifiedShow Answer

Alcohol acts as a diuretic because it ________.

Correct AnswerverifiedShow Answer

Figure 24.1 Using Figure 24.1, match the following: -Nephron loop.

Correct AnswerverifiedShow Answer

Figure 24.2 Using Figure 24.2, match the following: -Cells that are the most active in reabsorbing the filtrate.

Correct AnswerverifiedShow Answer

The area between the ureters and urethra is called the ________ in a bladder.

Correct AnswerverifiedShow Answer

The urethra contains an internal sphincter of smooth muscle.

Correct AnswerverifiedShow Answer

If one says that the clearance value of glucose is zero, what does this mean?

Correct AnswerverifiedShow Answer

The chief force pushing water and solutes out of the blood across the filtration membrane is ________.

Correct AnswerverifiedShow Answer

The mechanism of water reabsorption by the renal tubules is ________.

Correct AnswerverifiedShow Answer

The entire responsibility for urine formation lies with the nephron.

Correct AnswerverifiedShow Answer

Figure 24.1 Using Figure 24.1, match the following: -Structure most closely associated with granular cells.

Correct AnswerverifiedShow Answer

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The glomerular capillaries are fenestrat...
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This patient would have a much lower glo...
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Angiotensin II is a potent vasoconstrict...
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