Deck 18: Urinary System

Question 1

The structure at the tip of the arrow

A) releases renin
B) releases angiotensin I
C) is a proximal convoluted tubule
D) adjoins the afferent glomerular arteriole
E) is located at the urinary pole of the renal corpuscle

Answer 1

D

Question 2

The greatest reduction in the volume of the ultrafiltrate occurs in which of the following?

A) proximal tubule
B) descending thin limb of Henle's loop
C) ascending thin limb of Henle's loop
D) ascending thick limb of Henle's loop
E) collecting duct

Answer 2

A

Question 3

A patient with Alport syndrome has vision problems, hearing loss, and nephritis. This inherited disorder is due to mutations in

A) type I collagen
B) type II collagen
C) type III collagen
D) type IV collagen
E) type VII collagen

Answer 3

D

Question 4

Blood from the efferent glomerular arteriole enters the

A) glomerulus
B) peritubular capillary network
C) interlobular artery
D) arcuate artery
E) stellate vein

Question 5

Which of the following regions of Henle's loop has a hypotonic ultrafiltrate?

A) descending thick limb
B) descending thin limb
C) Henle's loop
D) ascending thin limb
E) ascending thick limb

Question 6

Renin is released by which of the following structures?

A) proximal tubules
B) macula densa
C) descending thin limb of Henle's loop
D) juxtaglomerular cells
E) collecting duct