Question 1

As ADH production declines,

Accepted Answer

A)   glomerular filtration increases.
B)   potassium reabsorption increases.
C)   reabsorption of water increases.
D)   the urine volume increases.
E)   the blood volume increases.F) A) and C)
G) None of the above

Question 2

Match the structure with the appropriate description.
-Bowman's capsule

Accepted Answer

A)  supplies blood to the glomerulus
B)  enlarged proximal end of nephron
C)  gaps between the podocyte processes
D)  plexus of capillaries around tubules
E)  arteries that arch over bases of the pyramidsF) B) and C)
G) None of the above

Question 3

Match the organ with the appropriate function.
-nephron

Accepted Answer

A)  stores urine until voiding
B)  transports urine from kidney to urinary bladder
C)  organ that forms urine
D)  transports urine from bladder to outside of body
E)  basic functional unit of the kidneyF) A) and E)
G) A) and C)

Question 4

What is/are the main excretory organ/s of the body?

Accepted Answer

A)   skin
B)   lungs
C)   intestines
D)   kidneysE) A) and D)
F) A) and C)

Question 5

Decreased blood pressure in the afferent arterioles stimulates an increase in the rate of __________ secretion.

Accepted Answer

The answer of Decreased blood pressure in the afferent arterioles...

Question 6

-The diagram is a portion of the nephron. What does "E" represent?

Accepted Answer

A)   proximal convoluted tubule
B)   afferent arteriole
C)   glomerulus
D)   distal convoluted tubule
E)   Bowman's capsuleF) None of the above
G) B) and E)

Question 7

Match the hormone with its effect on blood pressure.
-renin

Accepted Answer

A)  ↑ BP
B)  ↓ BPC) A) and B)
D) undefined

Question 8

Which of the following events would increase filtration pressure?

Accepted Answer

A)   increase in capsular pressure
B)   constriction of the efferent arteriole
C)   increase in colloid osmotic pressure
D)   decrease in renal blood flow
E)   dilation of the efferent arterioleF) None of the above
G) A) and B)

Question 9

The portion of the kidney that is composed of cone-shaped renal pyramids is called the

Accepted Answer

A)   cortex.
B)   medulla.
C)   pelvis.
D)   calyx.
E)   columns.F) A) and E)
G) B) and E)

Question 10

Most water is reabsorbed from the filtrate in the

Accepted Answer

A)   proximal convoluted tubule.
B)   descending loop of Henle.
C)   ascending loop of Henle.
D)   distal convolute tubule.
E)   collecting duct.F) A) and E)
G) A) and D)

Question 11

ADH increases the permeability of the distal convoluted tubules and collecting ducts by

Accepted Answer

A)   incorporating aquaporin-3 channels into the apical membrane.
B)   increasing the number of sodium transpot proteins in the membranes.
C)   incorporating aquaporin-2 channels into the apical membrane.
D)   decreasing the number of aquaporin-4 channels in the apical membrane.E) B) and D)
F) B) and C)

Question 12

Match the structure with the appropriate description.
-renal fascia

Accepted Answer

A)  cone-shaped structure in medulla of kidney
B)  anchors kidneys to abdominal wall
C)  cortical tissue between renal pyramids
D)  tube that opens into renal pelvis
E)  point where renal artery enters kidneyF) B) and D)
G) B) and C)

Question 13

Which of the following is NOT an action of angiotensin II?

Accepted Answer

A)   vasoconstriction of arterioles
B)   increases thirst
C)   increases ADH secretion
D)   decreases peripheral resistance
E)   increases aldosterone secretionF) A) and E)
G) A) and D)

Question 14

Removal of the posterior pituitary will immediately cause

Accepted Answer

A)   a decrease in urine volume.
B)   an increase in urine volume.
C)   no change in urine volume.D) None of the above
E) B) and C)

Question 15

Urine is carried from the kidneys to the urinary bladder by the

Accepted Answer

A)   urethra.
B)   ureter.
C)   calyces.
D)   renal columns.
E)   renal tubules.F) A) and B)
G) None of the above

Question 16

Match the hormone with its effect on blood pressure.
-angiotensin II

Accepted Answer

A)  ↑ BP
B)  ↓ BPC) A) and B)
D) undefined

Question 17

The permeability of the distal convoluted tubule and collecting ducts to water is controlled primary through the action of __________.

Accepted Answer

The answer of The permeability of the distal convoluted tubule...

Question 18

Atrial natriuretic hormone

Accepted Answer

A)   promotes the secretion of ADH.
B)   is secreted by the posterior pituitary.
C)   causes the formation of concentrated urine.
D)   is secreted when atrial blood pressure increases.
E)   is secreted when atrial blood pressure decreases.F) A) and D)
G) None of the above

Question 19

The collecting duct becomes more permeable to water when

Accepted Answer

A)   colloid osmotic pressure increases.
B)   ADH production increases.
C)   plasma osmolality decreases.
D)   aldosterone production decreases.
E)   ADH production decreases.F) A) and D)
G) All of the above

Question 20

Which of the following statements is true?

Accepted Answer

A)   Most filtrate (99%)  is eliminated as urine.
B)   Normal filtrate contains a large amount of protein.
C)   Reabsorption of water in the filtrate may be hormonally controlled.
D)   Sodium ions are secreted into the filtrate of the proximal convoluted tubule.
E)   Hormones play a minor role in fluid homeostasis.F) C) and E)
G) B) and C)

Exam 26: Urinary System

Which of the following events would increase filtration pressure?

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Match the structure with the appropriate description. -renal fascia

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ADH increases the permeability of the distal convoluted tubules and collecting ducts by

Correct AnswerverifiedShow Answer

Removal of the posterior pituitary will immediately cause

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Which of the following statements is true?

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As ADH production declines,

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The permeability of the distal convoluted tubule and collecting ducts to water is controlled primary through the action of __________.

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Urine is carried from the kidneys to the urinary bladder by the

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-The diagram is a portion of the nephron. What does "E" represent?

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Match the hormone with its effect on blood pressure. -angiotensin II

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The collecting duct becomes more permeable to water when

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The portion of the kidney that is composed of cone-shaped renal pyramids is called the

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Match the organ with the appropriate function. -nephron

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Which of the following is NOT an action of angiotensin II?

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Match the structure with the appropriate description. -Bowman's capsule

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Match the hormone with its effect on blood pressure. -renin

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Decreased blood pressure in the afferent arterioles stimulates an increase in the rate of __________ secretion.

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What is/are the main excretory organ/s of the body?

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Atrial natriuretic hormone

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Most water is reabsorbed from the filtrate in the

Correct AnswerverifiedShow Answer

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