Endocrine Disorders

During pregnancy TSH receptors are weakly cross

stimulated by ___ which is produced in the __ .

• AFP, trophoblast

• B-hCG, trophoblasc

• AFP, syncytiotrophoblasc

• B-hCG, syncytiotrophoblast

The main cause of thyrotoxicosis in pregnancy is

which of the following?

• Graves disease

• Type 1 diabetes

• Multiple gestations

• Methamphetamine toxicity

After beginning propylthiouracil treatment, how

often should you evaluate free T4 levels?

• Every 2 weeks

• Every 3 weeks

• Every trimester

• Every 4-6 weeks

During thyroid storm, what is the correct order of

medication administration

• Dexamethasone, beta blocker, propylthiouracil,

  iodide

• Iodide, propylthiouracil, beta blocker,

  dexamethasone

• Propylthiouracil, beta blocker, iodide,

  dexamethasone

• Beta blocker, iodide, propylthiouracil,

  dexamethasone

Which of the following is true concerning isolated

maternal hypothyroxinemia?

• Incidence is about 3.1-4.5%

• Thyroid-stimulating hormone is low, and thyroxine

  is high

• These patients have a low incidence of antithyroid

  antibodies

• All of the above

What are the total calcium requirements during

pregnancy?

• 30mg/day

• 300mg/day

• 1800mg/day

• 2400mg/day

Which of the following adverse pregnancy outcomes

is associated with inadequately treated thyroid

disease?

• Preeclampsia

• Neonatal hearing loss

• Maternal heart failure

• All of the above

All except which of the following congenital defects

are associated with methimazole embryopathy?

• Aplasia cutis

• Choanal atresia

• Esophageal atresia

• Posterior urethral valve

What is the incidence of overt hypothyroidism in

pregnancy?

• 2%

• 3%

• 12%

• 2-12 per 1000

Which of the lab or clinical features listed below is

consistent with subclinical hyperthyroidism?

• Osteopenia

• Normal free T4

• Elevated free T4

• Elevated thyroid-stimulating hormone