Question 1

Which of the following particles are not filtered out of the blood in the glomerulus?

Accepted Answer

A)   plasma proteins
B)   water
C)   nitrogenous wastes
D)   salts
E)   nutrientsF) B) and D)
G) A) and C)

Question 2

Which of the following is not a function of the urinary system?

Accepted Answer

A)   excretion of metabolic wastes
B)   maintenance of water-salt balance
C)   maintenance of acid-base balance
D)   maintenance of blood glucose levels
E)   secretion of hormonesF) A) and C)
G) D) and E) D

Question 3

Why do some people not drink beverages with caffeine right before bedtime?

Accepted Answer

A)   It increases the flow of urine and causes you to go to the bathroom during the night.
B)   It decreases the flow of urine and can cause kidney stones.
C)   It may affect the ability to sleep, but caffeine has very little effect on the urinary system.
D)   It can cause a headache if consumed late at night.
E)   It can lead to diarrhea.F) All of the above
G) B) and D)

Question 4

While glucose is filtered out at the glomerulus, none is excreted in the urine. What happens to the glucose?

Accepted Answer

A)   It is reabsorbed at the distal convoluted tubule.
B)   It is secreted at the proximal convoluted tubule.
C)   It is reabsorbed at the proximal convoluted tubule.
D)   It is secreted at the distal convoluted tubule.
E)   It is reabsorbed from the collecting duct.F) A) and E)
G) A) and D)

Question 5

What are the two ways substances are removed from the blood and added to the forming urine?

Accepted Answer

A)   glomerular filtration and tubular secretion
B)   glomerular filtration and tubular reabsorption
C)   tubular secretion and tubular reabsorption
D)   glomerular secretion and tubular reabsorption
E)   glomerular secretion and tubular secretionF) C) and D)
G) A) and C)

Question 6

Why does urine frequently have an acidic pH?

Accepted Answer

A)   The kidneys filter and excrete H+ from the blood.
B)   The kidneys produce H+ in the process of filtering the blood.
C)   The blood has an acidic pH and the kidneys produce urine similar to the pH of the blood.
D)   There is a high concentration of hydrochloric acid HCl)  in the urine, making it highly acidic.
E)   The kidneys absorb H+ ions and excrete bicarbonate ions.F) A) and B)
G) D) and E) A

Question 7

Which part of the nephron contains podocytes?

Accepted Answer

A)   distal convoluted tubule
B)   proximal convoluted tubule
C)   ascending limb of loop
D)   descending limb of loop
E)   glomerular capsuleF) A) and E)
G) None of the above

Question 8

Less than 50% of which molecule is reabsorbed during tubular reabsorption?

Accepted Answer

A)   urea
B)   water
C)   sodium
D)   glucose
E)   amino acidsF) A) and B)
G) A) and C)

Question 9

In CAPD, what serves as the dialysis membrane?

Accepted Answer

A)   the walls of the blood vessels
B)   a filter inside the instrument
C)   the kidneys themselves
D)   the peritoneum
E)   the pleural membraneF) None of the above
G) B) and E)

Question 10

The inner medulla of the kidney is _____ to the loop of Henle and therefore, water leaves the loop at the descending limb and collecting duct.

Accepted Answer

A)   isotonic
B)   hypertonic
C)   hypotonic
D)   balanced
E)   None of these.F) All of the above
G) A) and E)

Question 11

After running a marathon, it is best to drink water to restore what was lost due to heavy sweating.

Accepted Answer

A) True 
 B)False  False

Question 12

What is an infection of the urinary bladder called?

Accepted Answer

A)   cystitis
B)   urethritis
C)   pyelonephritis
D)   hemodialysis
E)   uremiaF) B) and E)
G) A) and B)

Question 13

The kidneys help to maintain blood pressure by monitoring the pH of the blood.

Accepted Answer

A) True 
 B)False

Question 14

The kidneys excrete metabolic wastes, including urea, a by-product of glucose metabolism.

Accepted Answer

A) True 
 B)False

Question 15

Tubular reabsorption requires both passive and active modes of reabsorption.

Accepted Answer

A) True 
 B)False

Question 16

ANH is a hormone produced by the hypothalamus and secreted by the posterior pituitary.

Accepted Answer

A) True 
 B)False

Question 17

An enlarged prostate gland can lead to kidney stones in males.

Accepted Answer

A) True 
 B)False

Question 18

What hormones regulate the reabsorption of sodium and water in the distal convoluted tubule?

Accepted Answer

A)   creatinine and renin
B)   renin and aquaporin
C)   aquaporin and aldosterone
D)   aldosterone and renin
E)   creatinine and aldosteroneF) A) and B)
G) A) and C)

Question 19

If you do not drink enough water, which hormone will the hypothalamus produce to regulate urine production?

Accepted Answer

A)   renin
B)   ADH
C)   ANH
D)   aldosterone
E)   diureticsF) B) and D)
G) None of the above

Question 20

Which of the following is not a metabolic waste product?

Accepted Answer

A)   urea
B)   erythropoietin
C)   ammonia
D)   creatinine
E)   uric acidF) C) and D)
G) B) and C)

Exam 11: Urinary System

Which of the following particles are not filtered out of the blood in the glomerulus?

Correct AnswerverifiedShow Answer

Which of the following is not a function of the urinary system?

Correct AnswerverifiedD

Why do some people not drink beverages with caffeine right before bedtime?

Correct AnswerverifiedShow Answer

While glucose is filtered out at the glomerulus, none is excreted in the urine. What happens to the glucose?

Correct AnswerverifiedShow Answer

What are the two ways substances are removed from the blood and added to the forming urine?

Correct AnswerverifiedShow Answer

Why does urine frequently have an acidic pH?

Correct AnswerverifiedA

Which part of the nephron contains podocytes?

Correct AnswerverifiedShow Answer

Less than 50% of which molecule is reabsorbed during tubular reabsorption?

Correct AnswerverifiedShow Answer

In CAPD, what serves as the dialysis membrane?

Correct AnswerverifiedShow Answer

The inner medulla of the kidney is _____ to the loop of Henle and therefore, water leaves the loop at the descending limb and collecting duct.

Correct AnswerverifiedShow Answer

After running a marathon, it is best to drink water to restore what was lost due to heavy sweating.

Correct AnswerverifiedFalse

What is an infection of the urinary bladder called?

Correct AnswerverifiedShow Answer

The kidneys help to maintain blood pressure by monitoring the pH of the blood.

Correct AnswerverifiedShow Answer

The kidneys excrete metabolic wastes, including urea, a by-product of glucose metabolism.

Correct AnswerverifiedShow Answer

Tubular reabsorption requires both passive and active modes of reabsorption.

Correct AnswerverifiedShow Answer

ANH is a hormone produced by the hypothalamus and secreted by the posterior pituitary.

Correct AnswerverifiedShow Answer

An enlarged prostate gland can lead to kidney stones in males.

Correct AnswerverifiedShow Answer

What hormones regulate the reabsorption of sodium and water in the distal convoluted tubule?

Correct AnswerverifiedShow Answer

If you do not drink enough water, which hormone will the hypothalamus produce to regulate urine production?

Correct AnswerverifiedShow Answer

Which of the following is not a metabolic waste product?

Correct AnswerverifiedShow Answer

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