Practice Test MARCH 2007: Test 2

Question 1

Of the following acids, which is weakest?

a. lactic
b. acetoacetic
c. carbonic
d. glycolic

Answer 1

Carbonic acid is weakest

Question 2

An animal goes into ventricular fibrillation. What simple acid-base disorder is most likely to develop 1st?

Answer 2

Metabolic acidosis

Question 3

Give plasma [HCO3-] = mEq/L and PCO2 = 50 mm Hg, which simple acid-base disorder is present?

Answer 3

Metabolic alkalosis

Question 4

What happens to the anionic gap when isotonic saline is added to plasma?

Answer 4

It decreases

Question 5

Why is glutamine removed from the bloodstream by proximal tubule cells?

Answer 5

Because glutamine is a urinary buffer

Question 6

Each of the following is likely to develop as a result of abomasal volvulus in a dairy cow EXCEPT

a. lactic acidosis
b. ketoacidosis
c. hypochloridemia
d. metabolic alkalosis
e. hyperkalemia

Answer 6

e. Hyperkalemia

Question 7

In the GI tract, which of the following primarily exerts its effect in paracrine fashion?

Answer 7

Serotonin

Question 8

Each of the following exerts pronounced vasodilatory effect at the GI vasculature EXCEPT:

a. NE
b. NO
c. VIP
d. prostaglandins
e. ACh

Answer 8

a. NE

Question 9

Which of the following is the BEST ESTIMATE of [H+] in the lumen of the glandular stomach?

Answer 9

0.1 M/L

Question 10

Which of the following is the MOST ABUNDANT (M/L) solute in most primary GI tract secretions?

Answer 10

Cl-