Kidney 1

Question 1

Which of the following are components of the filtration membrane?

basement membrane
fenestrated endothelia
JG cells
Bowman's capsule
podocytes
Macula Densa

Answer 1

basement membrane
fenestrated endothelia
podocytes

Question 2

Fenestrated endothelia form a ball of capillaries called the:

Answer 2

glomerulus

Question 3

Roughly how much blood flows through the kidneys each minute?

Answer 3

1 liter

Question 4

After entering the Bowman’s capsule, where would filtrate wind up next?

a. Proximal Convoluted Tubule
b. Loop of Henle
c. Distal Convoluted Tubule
d. Collecting Duct

Answer 4

a. Proximal Convoluted Tubule

Question 5

Which of the following portions of a nephron would be deepest in the kidney?

a. Bowman’s Capsule
b. Proximal Convoluted Tubule
c. Loop of Henle
d. Distal Convoluted Tubule

Answer 5

c. Loop of Henle

Question 6

Which vessels would be responsible for reabsorption of nutrients from the filtrate?

a. Peritubular capillaries
b. Cortical radiate arteries
c. Cortical radiate veins
d. Arcuate arteries

Answer 6

a. Peritubular capillaries

Question 7

Renin is secreted by cells in the:

a. Adrenal Cortex
b. Bowman’s Capsule
c. Juxtaglomerullar Apparatus
d. Loop of Henle

Answer 7

c. Juxtaglomerullar Apparatus

Question 8

Which would you normally find in blood, but not in kidney filtrate:

a. Glucose
b. Albumin
c. Ketones
d. Sodium

Answer 8

b. Albumin

Question 9

Sympathetic Stimulation will ____ glomerular filtration.

Answer 9

decrease

Question 10

Identify 3 things that trigger the release of Renin from the JGA:

1. a _____ in Blood Pressure

Answer 10

1. a drop in Blood Pressure

Question 11

Identify 3 things that trigger the release of Renin from the JGA:

2. a ____ in Na+ levels

Answer 11

2. a drop in Na+ levels

Question 12

Identify 3 things that trigger the release of Renin from the JGA:

3. activation of the _____ nervous system

Answer 12

3. activation of the sympathetic nervous system

Question 13

Which hormones would be activated or released following activation of Angiotensin II? 
B-type Natriuretic Peptide (BNP)
Atrial Natriuretic Peptide (ANP)
ADH
Aldosterone
Angiotensin I
Renin

Answer 13

ADH

Aldosterone

Question 14

Release of renin will generally lead to an _____ in blood pressure.

Answer 14

increase

Question 15

A full bladder will trigger excitation of _____ fibers, which release Acetylcholine and causes contraction of the _____ muscle.

Answer 15

parasympathetic

detrusor

Question 16

The internal urethral sphincter is controlled by the ______.

Answer 16

autonimic nervous system

Question 17

The external urethral sphincter is controlled by the ______.

Answer 17

somatic nervous system

Question 18

Anti-diuretic Hormone (ADH) regulates the presence of ______ proteins in the plasma membranes of cells of the ________ section of a nephron.

Answer 18

Aquaporin

Collecting duct

Question 19

Aldosterone primarily regulates the activity of _____ proteins found in the ____ section of a nephron.

Answer 19

Na+/K+ pump

DCT

Question 20

How does Alcohol promote diuresis?

a. it activates Renin
b. It blocks ADH release
c. it decreases GFR
d. it increases GFR

Answer 20

b. It blocks ADH release