Quiz Ch35

Question 1

1. Which of the following is NOT one of the three kinds of nephrons?
A.   Superficial cortical nephrons  
B.   Midcortical nephrons  
C.   Juxtamedullary nephrons  
D.   Glomerular nephrons

Answer 1

D. Glomerular nephrons

Question 2

2. In the distal tubule, which cells reabsorb sodium and water but secrete potassium?
A.   Distal cells  
B.   Proximal cells   
C.   Principal cells  
D.   Intercalated cells

Answer 2

C. Principal cells

Question 3

3. Which muscle lies between the two openings of the ureter and urethra?
A.   Micturition  
B.   Detrusor  
C.   Trigone  
D.   Urethra

Answer 3

C. Trigone

Question 4

4. Which of the following is TRUE regarding renal blood flow?
   A. The kidneys are highly vascular organs and receive 1000 to 1200 ml of blood per minute.
   B. The kidneys receive 50% of cardiac output.
   C. The GFR is not related to renal blood flow.
   D. No autoregulation is found in renal blood flow.

Answer 4

A. The kidneys are highly vascular organs and receive 1000 to 1200 ml of blood per minute.

Question 5

5. A person experiences hypotension. Which of the following enzymes is primarily released?
A.   Renin   
B.   Angiotensin I  
C.   Angiotensin II   
D.   Angiotensin III

Answer 5

A. Renin

Question 6

6. What is the appropriate term for when fluid moves from the tubular lumen to the peritubular capillary plasma?
A.   Ultrafiltration  
B.   Tubular reabsorption   
C.   Tubular secretion  
D.   Excretion

Answer 6

B. Tubular reabsorption

Question 7

7. Which substance controls final urine concentration?
A.   Antidiuretic hormone  
B.   Renin  
C.   Angiotensin I  
D.   Urea

Answer 7

A. Antidiuretic hormone

Question 8

8. Which of the following is a correct finding in a normal urinalysis?
A.   pH <5   
B.   Dark yellow urine  
C.   Specific gravity 1.016 to 1.022  
D.   Two to five red blood cells

Answer 8

C. Specific gravity 1.016 to 1.022