Endocrinology 8%

Question 1

(RR)
A pregnant pt with TSH 0.12 microU/mL, total T4 at 15 micrograms/dL, total T3 at 218 ng/dL needs what kind of medication?

Answer 1

propylthiouracil (aka PTU)

she has hyperthyroidism - TSH is low, T3 and T4 are elevated

Question 2

(RR)

initial treatment for hyperthyroidism

Answer 2

anti-thyroid-modulating drugs such as methimazole or propylthiouracil (PTU)

if pregnant, propylthiouracil is preferred

Question 3

(RR)

“What finding on a radioactive iodine scan would be most consistent with the diagnosis of Graves disease?”

Answer 3

“diffuse uptake of iodine”

Question 4

(RR)

MC cause of hyperthyroidism

Answer 4

GRAVES DISEASE (autoimmune against TSH receptor)

Question 5

(RR)
Which of the following PE exam findings is most consistent with a benign thyroid nodule?

a) firm fixed solitary nodule
b) a lg nodule >4 cm
c) a nodule associated with hoarseness
d) a smooth well-defined mobile nodule

Answer 5

D) A SMOOTH, WELL-DEFINED MOBILE NODULE

kinda like breast cancer masses - you want the mobile ones, cuz the fixed ones are bad