Question 1

The majority of sodium ions are reclaimed through sodium ion leak channels in the proximal tubule.

Accepted Answer

A) True 
 B)False

Question 2

Reabsorption of filtered glucose from the filtrate into the cells of the proximal tubule is by:

Accepted Answer

A)   secondary active transport.
B)   diffusion.
C)   antiport.
D)   facilitated diffusion.

Question 3

What should NOT be found in filtrate?

Accepted Answer

A)   water
B)   electrolytes
C)   glucose
D)   albumin

Question 4

The function of the renin -angiotensin -aldosterone system (RAAS) is to decrease systemic blood pressure.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is an effect of angiotensin -II (A -II) ?

Accepted Answer

A)   A -II dilates efferent arterioles.
B)   A -II decreases blood volume.
C)   A -II decreases systemic blood pressure.
D)   A -II promotes thirst.

Question 6

The proximal tubule is lined with simple cuboidal epithelium and microvilli.

Accepted Answer

A) True 
 B)False

Question 7

Describe the two basic parts of the micturition reflex.

Accepted Answer

First, stretch receptors in the wall of ...

Question 8

After an evening drinking alcohol with friends, Sonja noticed a increase in urine output and woke with a dry mouth the next morning. Since alcohol inhibits antidiuretic hormone (ADH), explain how alcohol
affects water reabsorption.

Accepted Answer

Antidiuretic hormone (ADH) promotes wate...

Question 9

The indentation on the medial surface of the kidney is the:

Accepted Answer

A)   pyramid.
B)   pelvis.
C)   hilum.
D)   calyx.

Question 10

The thin descending limb of the nephron loop is permeable to water, and not very permeable to solutes, in order to increase the concentration of the filtrate as it reaches the bottom of the
loop.

Accepted Answer

A) True 
 B)False

Question 11

Voluntary neural control is necessary for:

Accepted Answer

A)   contraction of the detrusor muscle.
B)   relaxation of the external urethral sphincter.
C)   relaxation of the internal urethral sphincter.
D)   contraction of the internal urethral sphincter.

Question 12

What symporter promotes the reabsorption of glucose in the proximal tubule and is dependent upon the sodium ion concentration gradient?

Accepted Answer

Na⁺/glucose...

Question 13

What happens to glucose molecules if the carrier proteins for tubular reabsorption are saturated and have reached their transport maximum?

Accepted Answer

Any glucose molecules unable t...

Question 14

Sympathetic stimulation of the kidney can do all of the following, EXCEPT:

Accepted Answer

A)   increase blood concentration of angiotensin -II (A -II) .
B)   increase renin secretion.
C)   increase the glomerular filtration rate (GFR) .
D)   constrict both the afferent and efferent arterioles.

Question 15

The two parts of the nephron are the renal ________ and the renal _.

Accepted Answer

The answer of The two parts of the nephron are...

Question 16

What do the macula densa cells regulate in their role as part of the tubuloglomerular feedback loop?

Accepted Answer

A)   changes in the glomerular colloid osmotic pressure (GCOP) 
B)   changes in glomerular hydrostatic pressure (GHP) 
C)   changes in blood pH
D)   changes in renal clearance B

Question 17

Place these vessels in the correct order as blood flows into and through the kidney. 1. afferent arteriole
2)  arcuate artery
3)  efferent arteriole
4)  glomerulus
5)  interlobar artery
6)  interlobular (cortical radiate)  artery
7)  renal artery
8)  segmental artery

Accepted Answer

A)   7, 5, 8, 6, 2, 4, 3, 1
B)   7, 8, 2, 5, 6, 3, 4, 1
C)   7, 8, 5, 2, 6, 1, 4, 3
D)   7, 8, 6, 2, 5, 1, 5, 3

Question 18

The cells of the macula densa and the juxtaglomerular (JG)  cells form the:

Accepted Answer

A)   filtration membrane.
B)   renal corpuscle.
C)   juxtaglomerular apparatus (JG
A)  .
D)   nephron loop (loop of Henle) . C

Question 19

The myogenic mechanism acts to restore glomerular filtration rate (GFR)  by changing:

Accepted Answer

A)   blood pH.
B)   vessel diameter.
C)   tubular secretion of metabolic wastes.
D)   blood pressure. B

Question 20

Dilute urine is more likely to be produced when:

Accepted Answer

A)   the distal tubule is permeable to water.
B)   antidiuretic hormone (ADH)  is present in the distal tubule.
C)   sodium and chloride ions are reabsorbed from the descending limb of the nephron loop (loop of Henle) .
D)   the collecting duct is impermeable to water.

Exam 24: The Urinary System

The majority of sodium ions are reclaimed through sodium ion leak channels in the proximal tubule.

Correct AnswerverifiedShow Answer

Reabsorption of filtered glucose from the filtrate into the cells of the proximal tubule is by:

Correct AnswerverifiedShow Answer

What should NOT be found in filtrate?

Correct AnswerverifiedShow Answer

The function of the renin -angiotensin -aldosterone system (RAAS) is to decrease systemic blood pressure.

Correct AnswerverifiedShow Answer

Which of the following is an effect of angiotensin -II (A -II) ?

Correct AnswerverifiedShow Answer

The proximal tubule is lined with simple cuboidal epithelium and microvilli.

Correct AnswerverifiedShow Answer

Describe the two basic parts of the micturition reflex.

Correct AnswerverifiedFirst, stretch receptors in the wall of ...View AnswerShow Answer

After an evening drinking alcohol with friends, Sonja noticed a increase in urine output and woke with a dry mouth the next morning. Since alcohol inhibits antidiuretic hormone (ADH), explain how alcohol affects water reabsorption.

Correct AnswerverifiedAntidiuretic hormone (ADH) promotes wate...View AnswerShow Answer

The indentation on the medial surface of the kidney is the:

Correct AnswerverifiedShow Answer

The thin descending limb of the nephron loop is permeable to water, and not very permeable to solutes, in order to increase the concentration of the filtrate as it reaches the bottom of the loop.

Correct AnswerverifiedShow Answer

Voluntary neural control is necessary for:

Correct AnswerverifiedShow Answer

What symporter promotes the reabsorption of glucose in the proximal tubule and is dependent upon the sodium ion concentration gradient?

Correct AnswerverifiedNa+/glucose...View AnswerShow Answer

What happens to glucose molecules if the carrier proteins for tubular reabsorption are saturated and have reached their transport maximum?

Correct AnswerverifiedAny glucose molecules unable t...View AnswerShow Answer

Sympathetic stimulation of the kidney can do all of the following, EXCEPT:

Correct AnswerverifiedShow Answer

The two parts of the nephron are the renal ________ and the renal _.

Correct AnswerverifiedShow Answer

What do the macula densa cells regulate in their role as part of the tubuloglomerular feedback loop?

Correct AnswerverifiedB

Place these vessels in the correct order as blood flows into and through the kidney. 1. afferent arteriole 2) arcuate artery 3) efferent arteriole 4) glomerulus 5) interlobar artery 6) interlobular (cortical radiate) artery 7) renal artery 8) segmental artery

Correct AnswerverifiedShow Answer

The cells of the macula densa and the juxtaglomerular (JG) cells form the:

Correct AnswerverifiedC

The myogenic mechanism acts to restore glomerular filtration rate (GFR) by changing:

Correct AnswerverifiedB

Dilute urine is more likely to be produced when:

Correct AnswerverifiedShow Answer

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The function of the renin ^-angiotensin ^-aldosterone system (RAAS) is to decrease systemic blood pressure.

Correct Answer
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Which of the following is an effect of angiotensin ^-II (A ^-II) ?

Correct Answer
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First, stretch receptors in the wall of ...
View Answer

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Antidiuretic hormone (ADH) promotes wate...
View Answer

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Na⁺/glucose...
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Any glucose molecules unable t...
View Answer

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B

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C

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B

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