Question 1

Match the substance with its process by writing the appropriate letter in the blank.
-Filtered and passively reabsorbed.

Accepted Answer

A)  K+
B)  glucose
C)  inulin
D)  plasma protein
E)  ureaF) H+G) A) and F)
H) A) and E)

Question 2

Which of the following is not a function of the kidneys?

Accepted Answer

A)   excretion of metabolic wastes.
B)   maintaining proper plasma volume.
C)   secreting aldosterone to regulate sodium.
D)   maintains proper osmolarity of body fluids.
E)   assisting in maintaining the proper acid-base balance of the body.F) A) and B)
G) C) and D)

Question 3

Indicate whether the first item in the statement increases, decreases, or has no effect on the second item by filling in the appropriate letter using the following answer code.
-Decreased vasopressin secretion _____ H2O reabsorption.

Accepted Answer

A)  increases
B)  decreases
C)  has no effect onD) All of the above
E) B) and C)

Question 4

Vasa recta are associated with

Accepted Answer

A)   afferent arterioles.
B)   efferent arterioles.
C)   cortical nephrons.
D)   juxtamedullary nephron.
E)   renal papillae.F) A) and B)
G) A) and C)

Question 5

Match the nephron structure to the characteristics
-receives blood from glomerulus

Accepted Answer

A)  afferent arteriole
B)  glomerulus
C)  efferent arteriole
D)  Bowman's capsule
E)  proximal tubuleF) descending limb of loop of HenleG) ascending limb of loop of HenleH) distal tubuleI) collecting ductJ) A) and I)
K) E) and I)

Question 6

Match renal structure or activity with correct characteristic.
-nephron

Accepted Answer

A)  Collecting tubules empty into this structure.
B)  Stores the urine.
C)  Passage of substances from the peritubular into the tubular lumen.
D)  When dilated leads to an increase in GFR.
E)  Tuft of capillaries found in close approximation to the Bowman's capsule.F) Function of the glomerulus.G) Urine is forced through this structure by peristalsis.H) Collects the glomerular filtrate.I) Passage of substances from the tubular lumen into the peritubular capillaries.J) Functional unit of the kidney.K) Supplies the renal tissue with O2 and nutrients.L) Carries blood from glomerulus into peritubular capillaries.M) Tube through which urine leaves the body.N) Variable water and sodium reabsorption occur here under hormonal control.O) Responsible for the vertical osmotic gradient in the medulla of the kidney.P) Glucose and amino acid reabsorption occur here.Q) E) and H)
R) H) and P)

Question 7

Tubular reabsorption

Accepted Answer

A)   refers to the movement of a substance from the peritubular capillary blood into the tubular fluid.
B)   occurs by either active or passive transport.
C)   involves the process of transepithelial transport.
D)   both (b)  and (c)  above.
E)   all of these answers.F) All of the above
G) B) and D)

Question 8

On the average, of the 125 ml/min of plasma filtered, ____________________ ml/min is reabsorbed, and ____________________ ml/min is excreted as urine.

Accepted Answer

The answer of On the average, of the 125 ml/min...

Question 9

Match renal structure or activity with correct characteristic.
-Bowman's capsule

Accepted Answer

A)  Collecting tubules empty into this structure.
B)  Stores the urine.
C)  Passage of substances from the peritubular into the tubular lumen.
D)  When dilated leads to an increase in GFR.
E)  Tuft of capillaries found in close approximation to the Bowman's capsule.F) Function of the glomerulus.G) Urine is forced through this structure by peristalsis.H) Collects the glomerular filtrate.I) Passage of substances from the tubular lumen into the peritubular capillaries.J) Functional unit of the kidney.K) Supplies the renal tissue with O2 and nutrients.L) Carries blood from glomerulus into peritubular capillaries.M) Tube through which urine leaves the body.N) Variable water and sodium reabsorption occur here under hormonal control.O) Responsible for the vertical osmotic gradient in the medulla of the kidney.P) Glucose and amino acid reabsorption occur here.Q) E) and P)
R) H) and O)

Question 10

Inulin is

Accepted Answer

A)   filtered, not reabsorbed, but secreted.
B)   filtered, not reabsorbed, and not secreted.
C)   filtered, reabsorbed, and not secreted.
D)   filtered, reabsorbed, and secreted.
E)   not filtered.F) C) and D)
G) A) and E)

Question 11

Vasopressin

Accepted Answer

A)   is produced in the hypothalamus.
B)   increases the permeability of the distal and collecting tubules to water.
C)   secretion is stimulated by a water deficit in the body.
D)   both (b)  and (c)  above.
E)   all of these answers.F) D) and E)
G) B) and E)

Question 12

Match renal structure or activity with correct characteristic.
-afferent arteriole

Accepted Answer

A)  Collecting tubules empty into this structure.
B)  Stores the urine.
C)  Passage of substances from the peritubular into the tubular lumen.
D)  When dilated leads to an increase in GFR.
E)  Tuft of capillaries found in close approximation to the Bowman's capsule.F) Function of the glomerulus.G) Urine is forced through this structure by peristalsis.H) Collects the glomerular filtrate.I) Passage of substances from the tubular lumen into the peritubular capillaries.J) Functional unit of the kidney.K) Supplies the renal tissue with O2 and nutrients.L) Carries blood from glomerulus into peritubular capillaries.M) Tube through which urine leaves the body.N) Variable water and sodium reabsorption occur here under hormonal control.O) Responsible for the vertical osmotic gradient in the medulla of the kidney.P) Glucose and amino acid reabsorption occur here.Q) M) and N)
R) B) and L)

Question 13

Which of the following is true of potassium ions?

Accepted Answer

A)   they are actively secreted in the proximal tubule
B)   their concentration is controlled by aldosterone
C)   changes in concentration can affect membrane excitability
D)   are reabsorbed in the distal tubule
E)   both (b)  and (c) F) B) and E)
G) None of the above

Question 14

Match renal structure or activity with correct characteristic.
-loop of Henle

Accepted Answer

A)  Collecting tubules empty into this structure.
B)  Stores the urine.
C)  Passage of substances from the peritubular into the tubular lumen.
D)  When dilated leads to an increase in GFR.
E)  Tuft of capillaries found in close approximation to the Bowman's capsule.F) Function of the glomerulus.G) Urine is forced through this structure by peristalsis.H) Collects the glomerular filtrate.I) Passage of substances from the tubular lumen into the peritubular capillaries.J) Functional unit of the kidney.K) Supplies the renal tissue with O2 and nutrients.L) Carries blood from glomerulus into peritubular capillaries.M) Tube through which urine leaves the body.N) Variable water and sodium reabsorption occur here under hormonal control.O) Responsible for the vertical osmotic gradient in the medulla of the kidney.P) Glucose and amino acid reabsorption occur here.Q) K) and N)
R) D) and O)

Question 15

Match the nephron structure to the characteristics
-aldosterone acts here

Accepted Answer

A)  afferent arteriole
B)  glomerulus
C)  efferent arteriole
D)  Bowman's capsule
E)  proximal tubuleF) descending limb of loop of HenleG) ascending limb of loop of HenleH) distal tubuleI) collecting ductJ) A) and G)
K) A) and C)

Question 16

MATCHING
Match renal function with correct characteristic.
-tubular reabsorption

Accepted Answer

A)  movement of substances from the peritubular capillary blood into the tubular lumen
B)  movement of substances from the glomerular capillary blood into the tubular lumen
C)  everything filtered or secreted that is not subsequently reabsorbed
D)  movement of substances from the tubular lumen into the peritubular capillary bloodE) B) and C)
F) A) and C)

Question 17

Tubular ____________________ and tubular ____________________ are selective processes that occur in the nephron.

Accepted Answer

reabsorpti...

Question 18

Which transporter is a symport carrier for glucose?

Accepted Answer

A)   SGLT
B)   Na+-K+ ATPase
C)   GLUT
D)   both (a)  and (c) 
E)   none of the aboveF) A) and B)
G) None of the above

Question 19

Match renal structure or activity with correct characteristic.
-glomerulus

Accepted Answer

A)  Collecting tubules empty into this structure.
B)  Stores the urine.
C)  Passage of substances from the peritubular into the tubular lumen.
D)  When dilated leads to an increase in GFR.
E)  Tuft of capillaries found in close approximation to the Bowman's capsule.F) Function of the glomerulus.G) Urine is forced through this structure by peristalsis.H) Collects the glomerular filtrate.I) Passage of substances from the tubular lumen into the peritubular capillaries.J) Functional unit of the kidney.K) Supplies the renal tissue with O2 and nutrients.L) Carries blood from glomerulus into peritubular capillaries.M) Tube through which urine leaves the body.N) Variable water and sodium reabsorption occur here under hormonal control.O) Responsible for the vertical osmotic gradient in the medulla of the kidney.P) Glucose and amino acid reabsorption occur here.Q) L) and M)
R) A) and C)

Question 20

Match the nephron structure to the characteristics
-uses vertical osmotic gradient to create concentrated urine

Accepted Answer

A)  afferent arteriole
B)  glomerulus
C)  efferent arteriole
D)  Bowman's capsule
E)  proximal tubuleF) descending limb of loop of HenleG) ascending limb of loop of HenleH) distal tubuleI) collecting ductJ) A) and B)
K) D) and F)

Exam 13: The Urinary System

Tubular reabsorption

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Match renal structure or activity with correct characteristic. -afferent arteriole

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On the average, of the 125 ml/min of plasma filtered, ____________________ ml/min is reabsorbed, and ____________________ ml/min is excreted as urine.

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Inulin is

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Match the nephron structure to the characteristics -uses vertical osmotic gradient to create concentrated urine

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MATCHING Match renal function with correct characteristic. -tubular reabsorption

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Vasa recta are associated with

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Which of the following is not a function of the kidneys?

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Match renal structure or activity with correct characteristic. -loop of Henle

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Match the nephron structure to the characteristics -receives blood from glomerulus

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Which transporter is a symport carrier for glucose?

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Match renal structure or activity with correct characteristic. -nephron

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Indicate whether the first item in the statement increases, decreases, or has no effect on the second item by filling in the appropriate letter using the following answer code. -Decreased vasopressin secretion _____ H2O reabsorption.

Correct AnswerverifiedShow Answer

Vasopressin

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Match the substance with its process by writing the appropriate letter in the blank. -Filtered and passively reabsorbed.

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Which of the following is true of potassium ions?

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Match the nephron structure to the characteristics -aldosterone acts here

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Match renal structure or activity with correct characteristic. -glomerulus

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Match renal structure or activity with correct characteristic. -Bowman's capsule

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Tubular ____________________ and tubular ____________________ are selective processes that occur in the nephron.

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On the average, of the 125 ml/min of plasma filtered, ml/min is reabsorbed, and ml/min is excreted as urine.

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Indicate whether the first item in the statement increases, decreases, or has no effect on the second item by filling in the appropriate letter using the following answer code. -Decreased vasopressin secretion _____ H₂O reabsorption.

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Tubular and tubular are selective processes that occur in the nephron.

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reabsorpti...
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