1
Last to normalize during the treatment of primary hypothyroidism and hyperthyroidism
a. rT3
b. TSH
c. T4
d. T3
b. TSH
Which of the following does not inhibit peripheral conversion of T4 to T3?
a. Methimazole
b. Steroids
c. Propanolol
d. PTU
a. Methimazole
Condition consistent with elevated TSH and elevated FT4
a. Plummer's adenoma
b. TSHoma
c. Subclinical hypothyroidism
d. Central hypothyroidism
b. TSHoma
Patient came in with the following laboratory results:
elevated TSH, low T4
What is the diagnosis?
Primary hypothyroidism
A patient came in with the following laboratory result:
Low TSH, Normal fT4
What is the diagnosis?
Subclinical hyperthyroidism
A patient came in with the following laboratory result:
Low TSH, Normal fT4, High T3
What is the diagnosis?
T3 toxicosis
A 20 year old female found to have mild diffuse goiter on routine physical examination. She is otherwise clinically euthryoid.
What would be a good screening test to rule out thyroid function abnormality?
TSH
A 40-year old female with hypothyroidism due to previous thyroidectomy for benign nodular goiter. She is on levothyroxine 100 mcg per day. TSH is high and free FT4 is low.
What will you do? (Increase, decrease, or maintain dose)
Increase dose
A 30-year-old female complained of cold intolerance and constipation. She is now 4 weeks pregnant. She had a thyroidectomy for benign nodular goiter 3 years ago.
What is/are the best test/s?
TSH, free T4