Unit 2.3

Question 1

This is the condition that results from too much thyroid hormone

Answer 1

hyperthyroidism

Question 2

this term describes the non-drug therapy used to remove the cancerous thyroid gland

Answer 2

thyroidectomy

Question 3

This drug disrupts the normal production of T3 and T4, but does not destroy the thyroid tumor in cats with hyperthyroidism

Answer 3

methimazole

Question 4

This 1-injection hyperthyroidism treatment selectively destroys the thyroid tumor

Answer 4

radioactive iodine I-131

Question 5

This drug is used to reduce the tachycardia seen with hyperthyroidism

Answer 5

propranolol

Question 6

T or F

Cats get hypothyroidism and dogs get hyperthyroidism

Answer 6

False

Question 7

T or F

Hyperthyroid animals get polyuria and polydipsia

Answer 7

True

Question 8

T or F

If methimazole is stopped, the thyroid levels in a hyperthyroid cat will go back up.

Answer 8

True

Question 9

Why does the correction of feline hyperthyroidism sometimes seem to precipitate the onset of renal disease?

Answer 9

The increased blood pressure associated with hyperthyroidism increases kidney filtration, masking kidney function. Once it is corrected, renal disease is indicated by higher BUN and creatinine levels in blood.