Question 1

Which of the following is considered a secondary or additional function of the urinary system?

Accepted Answer

A)  synthesis of vitamin D 
B)  excretion of metabolic wastes 
C)  secretion of hormones 
D)  maintenance of acid-base balance 
E)  maintenance of water-salt balance 
A)  synthesis of vitamin D 
B)  excretion of metabolic wastes 
C)  secretion of hormones 
D)  maintenance of acid-base balance 
E)  maintenance of water-salt balance

Question 2

The reabsorption of water in the kidneys always precedes the reabsorption of salt.

Accepted Answer

A) True 
 B)False

Question 3

The renal pyramids are located within the renal pelvis.

Accepted Answer

A) True 
 B)False

Question 4

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. 
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.

Question 5

What is the normal pH of blood?

Accepted Answer

A)  neutral 
B)  slightly basic 
C)  slightly acidic 
D)  extremely basic 
E)  extremely acidic 
A)  neutral 
B)  slightly basic 
C)  slightly acidic 
D)  extremely basic 
E)  extremely acidic

Question 6

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

Question 7

Why does urine 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 HCl acid in the urine producing an acidic substance. 
E)  The kidneys absorb H+ ions and excrete bicarbonate ions. 
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 HCl acid in the urine producing an acidic substance. 
E)  The kidneys absorb H+ ions and excrete bicarbonate ions.

Question 8

The collecting duct of the nephron originates in what region of the kidney and extends to what region of the kidney?

Accepted Answer

A)  renal cortex to the renal medulla 
B)  renal cortex to the renal pelvis 
C)  renal medulla to the renal cortex 
D)  renal medulla to the renal pelvis 
E)  renal pelvis to the renal medulla 
A)  renal cortex to the renal medulla 
B)  renal cortex to the renal pelvis 
C)  renal medulla to the renal cortex 
D)  renal medulla to the renal pelvis 
E)  renal pelvis to the renal medulla

Question 9

A nephron is a two-way system with glomerular filtrate traveling back and forth within the nephron.

Accepted Answer

A) True 
 B)False

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

The renal pelvis is continuous with the

Accepted Answer

A)  renal cortex. 
B)  bladder. 
C)  urethra. 
D)  ureter. 
E)  nephrons. 
A)  renal cortex. 
B)  bladder. 
C)  urethra. 
D)  ureter. 
E)  nephrons.

Question 12

Which part of the urinary system is shared with the reproductive system in males?

Accepted Answer

A)  bladder 
B)  ureters 
C)  kidneys 
D)  urethra 
E)  renal pelvis 
A)  bladder 
B)  ureters 
C)  kidneys 
D)  urethra 
E)  renal pelvis

Question 13

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 hormones 
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 hormones

Question 14

Which of the following does not assist the kidneys in excretion of nitrogenous wastes?

Accepted Answer

A)  liver 
B)  sweat glands 
C)  muscles 
D)  blood 
E)  pancreas 
A)  liver 
B)  sweat glands 
C)  muscles 
D)  blood 
E)  pancreas

Question 15

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

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

Why is the dialysate continually replaced in hemodialysis?

Accepted Answer

A)  to maintain a favorable concentration gradient with the blood 
B)  because it is easily infected 
C)  because it enters the body and is absorbed 
D)  because it is lost by urination 
E)  because it biodegrades rapidly 
A)  to maintain a favorable concentration gradient with the blood 
B)  because it is easily infected 
C)  because it enters the body and is absorbed 
D)  because it is lost by urination 
E)  because it biodegrades rapidly

Question 18

What is an infection of the urinary bladder called?

Accepted Answer

A)  cystitis 
B)  urethritis 
C)  pyelonephritis 
D)  hemodialysis 
E)  uremia 
A)  cystitis 
B)  urethritis 
C)  pyelonephritis 
D)  hemodialysis 
E)  uremia

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)  diuretics 
A)  renin 
B)  ADH 
C)  ANH 
D)  aldosterone 
E)  diuretics

Question 20

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

Accepted Answer

A) True 
 B)False

Exam 10: Urinary System

Which of the following is considered a secondary or additional function of the urinary system?

The reabsorption of water in the kidneys always precedes the reabsorption of salt.

The renal pyramids are located within the renal pelvis.

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

What is the normal pH of blood?

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

Why does urine have an acidic pH?

The collecting duct of the nephron originates in what region of the kidney and extends to what region of the kidney?

A nephron is a two-way system with glomerular filtrate traveling back and forth within the nephron.

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

The renal pelvis is continuous with the

Which part of the urinary system is shared with the reproductive system in males?

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

Which of the following does not assist the kidneys in excretion of nitrogenous wastes?

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

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

Why is the dialysate continually replaced in hemodialysis?

What is an infection of the urinary bladder called?

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

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

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