Question 1

Put the following in the correct order after the blood pressure increases. (1) decreased sympathetic stimulation
(2) increase in glomerulus filtration rate
(3) increase in arterial blood pressure
(4) increase in urine production
(5) afferent arterioles dilate

Accepted Answer

A)  1,3,5,2,4
B)  3,2,1,5,4
C)  2,3,5,1,4
D)  3,1,5,2,4
E)  3,2,5,4,1

Question 2

Renin converts

Accepted Answer

A)  angiotensin I to angiotensin II.
B)  angiotensin II to angiotensin I.
C)  angiotensinogen to angiotensin I.
D)  angiotensin II to angiotensin III.
E)  angiotensinogen to angiotensin II.

Question 3

Filtrate reabsorption,which occurs regardless of the concentration and volume of urine produced,is referred to as

Accepted Answer

A)  active.
B)  obligatory.
C)  facultative.
D)  countercurrent.
E)  nonessential.

Question 4

Formation of filtrate depends on a

Accepted Answer

A)  pressure gradient.
B)  concentration gradient.
C)  volume gradient.
D)  temperature gradient.
E)  osmotic gradient.

Question 5

Arrange the following structures in correct sequence: (1) ureter
(2) renal pelvis
(3) calyx
(4) urinary bladder
(5) urethra

Accepted Answer

A)  1,2,3,4,5
B)  3,2,1,4,5
C)  2,4,5,3,1
D)  3,4,1,2,5
E)  1,3,2,4,5

Question 6

Starting from the collecting duct,indicate the order in which urea molecules move to maintain the medullary concentration gradient.
(1) ascending limb
(2) distal convoluted tubule
(3) interstitial fluid
(4) collecting duct
(5) descending limb

Accepted Answer

A)  2,5,1,4,3
B)  1,3,5,2,4
C)  3,5,1,2,4
D)  4,2,1,3,5
E)  4,3,5,1,2

Question 7

Choose the one that does not belong.

Accepted Answer

A)  loop of Henle
B)  glomerulus
C)  distal convoluted tubule
D)  proximal convoluted tubule
E)  Bowman's capsule

Question 8

Renal papillae drain into __________________.

Accepted Answer

A)  minor calyces
B)  major calyces
C)  the renal pelvis
D)  renal columns
E)  the ureter

Question 9

To calculate plasma clearance of any substance,it is necessary to know the

Accepted Answer

A)  quantity of urine produced per minute.
B)  concentration of the cleared substance in the urine.
C)  concentration of the cleared substance in the blood.
D)  blood volume.
E)  quantity of urine produced per minute,the concentration of the cleared substance in the urine,and the concentration of the cleared substance in the blood.

Question 10

The kidney dialysis machine is an example of a mechanical

Accepted Answer

A)  active transport system.
B)  countercurrent system.
C)  cotransport system.
D)  sorting system.
E)  toy.

Question 11

Potassium ions enter the lumen of the _____ by the process of active transport.

Accepted Answer

A)  proximal convoluted tubule
B)  renal corpuscle
C)  loop of Henle
D)  distal convoluted tubule
E)  collecting duct

Question 12

The network of capillaries that is located in Bowman's capsule is called the

Accepted Answer

A)  vasa recta.
B)  glomerulus.
C)  peritubular capillary.
D)  proximal convoluted capillary.
E)  efferent arteriole.

Question 13

The countercurrent multiplier system

Accepted Answer

A)  is found in the collecting duct.
B)  is assisted by hormones.
C)  has fluid flowing in parallel tubes in opposite directions.
D)  maintains the solute concentration of the medullary interstitial fluid.
E)  has fluid flowing in parallel tubes in opposite directions and maintains the solute concentration of the medullary interstitial fluid.

Question 14

Smooth muscle cells in the walls of the afferent and efferent arterioles dilate or constrict as needed in response to changes in blood pressure.This process of autoregulation is called the ____________________.

Accepted Answer

A)  myogenic mechanism
B)  tubular secretion
C)  tubuloglomerular feedback
D)  glomerular filtration
E)  tubular reabsorption

Question 15

The mechanism for concentration of urine is called the _____________ mechanism.

Accepted Answer

A)  countercurrent
B)  filtration
C)  secretion
D)  reabsorption
E)  concentration

Question 16

Autoregulation in the kidney involves changes in the degree of

Accepted Answer

A)  constriction of afferent arterioles.
B)  sympathetic stimulation.
C)  aldosterone secretion.
D)  ADH secretion.
E)  None of these choices is correct.

Question 17

The vasa recta is a specialized portion of the

Accepted Answer

A)  glomerulus.
B)  afferent arteriole.
C)  efferent arteriole.
D)  peritubular capillary.
E)  interlobular artery.

Question 18

The tip of each renal pyramid is called

Accepted Answer

A)  a nephron.
B)  a renal papilla.
C)  a renal column.
D)  a medullary ray.
E)  the apex.

Question 19

In which of the following locations is filtrate osmolality highest?

Accepted Answer

A)  end of proximal convoluted tubule
B)  tip of the loop of Henle
C)  end of distal convoluted tubule
D)  beginning of distal convoluted tubule
E)  descending loop of Henle

Exam 26: Urinary System

Formation of filtrate depends on a

Correct Answer
verified

Smooth muscle cells in the walls of the afferent and efferent arterioles dilate or constrict as needed in response to changes in blood pressure.This process of autoregulation is called the ____________________.

Correct Answer
verified

The vasa recta is a specialized portion of the

Correct Answer
verified

In which of the following locations is filtrate osmolality highest?

Correct Answer
verified

The mechanism for concentration of urine is called the _____________ mechanism.

Correct Answer
verified

Choose the one that does not belong.

Correct Answer
verified

Filtrate reabsorption,which occurs regardless of the concentration and volume of urine produced,is referred to as

Correct Answer
verified

Put the following in the correct order after the blood pressure increases. (1) decreased sympathetic stimulation (2) increase in glomerulus filtration rate (3) increase in arterial blood pressure (4) increase in urine production (5) afferent arterioles dilate

Correct Answer
verified

Renin converts

Correct Answer
verified

The network of capillaries that is located in Bowman's capsule is called the

Correct Answer
verified

The tip of each renal pyramid is called

Correct Answer
verified

The countercurrent multiplier system

Correct Answer
verified

Autoregulation in the kidney involves changes in the degree of

Correct Answer
verified

Arrange the following structures in correct sequence: (1) ureter (2) renal pelvis (3) calyx (4) urinary bladder (5) urethra

Correct Answer
verified

Potassium ions enter the lumen of the _____ by the process of active transport.

Correct Answer
verified

Starting from the collecting duct,indicate the order in which urea molecules move to maintain the medullary concentration gradient. (1) ascending limb (2) distal convoluted tubule (3) interstitial fluid (4) collecting duct (5) descending limb

Correct Answer
verified

The kidney dialysis machine is an example of a mechanical

Correct Answer
verified

Renal papillae drain into __________________.

Correct Answer
verified

To calculate plasma clearance of any substance,it is necessary to know the

Correct Answer
verified

Exam 26: Urinary System

Formation of filtrate depends on a

Correct AnswerverifiedShow Answer

Smooth muscle cells in the walls of the afferent and efferent arterioles dilate or constrict as needed in response to changes in blood pressure.This process of autoregulation is called the ____________________.

Correct AnswerverifiedShow Answer

The vasa recta is a specialized portion of the

Correct AnswerverifiedShow Answer

In which of the following locations is filtrate osmolality highest?

Correct AnswerverifiedShow Answer

The mechanism for concentration of urine is called the _____________ mechanism.

Correct AnswerverifiedShow Answer

Choose the one that does not belong.

Correct AnswerverifiedShow Answer

Filtrate reabsorption,which occurs regardless of the concentration and volume of urine produced,is referred to as

Correct AnswerverifiedShow Answer

Put the following in the correct order after the blood pressure increases. (1) decreased sympathetic stimulation (2) increase in glomerulus filtration rate (3) increase in arterial blood pressure (4) increase in urine production (5) afferent arterioles dilate

Correct AnswerverifiedShow Answer

Renin converts

Correct AnswerverifiedShow Answer

The network of capillaries that is located in Bowman's capsule is called the

Correct AnswerverifiedShow Answer

The tip of each renal pyramid is called

Correct AnswerverifiedShow Answer

The countercurrent multiplier system

Correct AnswerverifiedShow Answer

Autoregulation in the kidney involves changes in the degree of

Correct AnswerverifiedShow Answer

Arrange the following structures in correct sequence: (1) ureter (2) renal pelvis (3) calyx (4) urinary bladder (5) urethra

Correct AnswerverifiedShow Answer

Potassium ions enter the lumen of the _____ by the process of active transport.

Correct AnswerverifiedShow Answer

Starting from the collecting duct,indicate the order in which urea molecules move to maintain the medullary concentration gradient. (1) ascending limb (2) distal convoluted tubule (3) interstitial fluid (4) collecting duct (5) descending limb

Correct AnswerverifiedShow Answer

The kidney dialysis machine is an example of a mechanical

Correct AnswerverifiedShow Answer

Renal papillae drain into __________________.

Correct AnswerverifiedShow Answer

To calculate plasma clearance of any substance,it is necessary to know the

Correct AnswerverifiedShow Answer

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