Poll and Assignmet MT 2

Question 1

Which of the following would NOT increase vasopressin release?

a. increase blood volume

b. decreased blood pressure

c. increased osmolarity

d. none of the above (all would increase vasopressin release)

Answer 1

a.

Question 2

Increased osmolarity in the body will ____ vasopressin secretion leading to _____ reabsorption of water

a. increased, decreased

b. decreased, increased

c. increased, increased

d. decrease, decrease

Answer 2

c.

Question 3

The countercurrent exchange system functions to:

a. generate a hypoosmotic medullary interstitium necessary for water reabsorption

b. generate a hypoosmotic medullary interstitium necessary for water secretion

c. generate a hyperosmotic interstitium necessary for water reabsorption

d. generate a hyperosmotic interstitium necessary for water secretion

e. none of the above

Answer 3

c.

Question 4

Aldosterone increases Na+ and K+ reabsorption

true or false

Answer 4

false

Question 5

Which of the following is NOT an effect of ANGII

a. increased CO

b. reduced Na+ reabsorption at the proximal tubule

c. Thirst

d. Increased AVP secretion

e. peripheral vasoconstriction

Answer 5

b. will get increased Na reabsorption

Question 6

The cephalic phase reflex (vagal reflex) is:

a. a short reflex initiated in the brain

b. a short reflex initiated in the GI tract

c. A long reflex initiated in the GI tract

d. A long reflex initiated in the brain

Answer 6

d.