thyroid drugs

Question 1

The drug of choice for hypothyroidism in dogs is?

a. levothyroxine (T4)
b. liothyronine (T3)
c. thyroglobulin
d. potassium iodide

Answer 1

levothyroxine (T4)

Question 2

An effective dose of which of the following agents can produce a permanent cure of hyperthyroidism in cats without surgery?

a. propylthiouracil (PTU)
b. methimazole (MMI)
c. radioactive iodine
d. saturated solution of potassium iodide
e. Lugol’s solution (iodine and potassium iodide)

Answer 2

radioactive iodine

Question 3

Methimazole acts as antithyroid by

a. inhibiting iodine trapping by the thyroid
b. inhibiting conversion of T4 to T3
c. blocking thyroid hormone receptors
d. inhibiting TSH
e. inhibiting thyroid hormone synthesis

Answer 3

inhibiting thyroid hormone synthesis

Question 4

what inhibits conversion of T4 to T3?

a. methimazole
b. lugols solution
c. ipodate

Answer 4

ipodate

Question 5

what inhibits thryoid organifaction and inhibits preformed hormone secretion

a. methimazole
b. lugols solution
c. ipodate

Answer 5

lugols solution..potassium..iodide

Question 6

what drugs treat hypothryoid>?

Answer 6

levothryroxine

liothryonine

Question 7

what drugs treat hyperthryoid?

Answer 7

methimazole
lugols solution
ipodate
radioactive iodine