Thyroid Physiology — MCQs

Regarding thyroid hormone all are true except:

In a pregnant woman with hyperemesis gravidarum and abnormal thyroid function tests showing hyperthyroidism, which hormone is likely elevated?

A 20-year-old male presents with weight loss, heat intolerance, bilateral exophthalmos, a lid lag, sweating, and tachycardia. These symptoms are due to an increased production and secretion of a hormone that is derived from which one of the following?

All the following hormones have receptors on the plasma membrane of target tissues except:

A 30-year-old female complaints of fatigue and is unable to gain weight. On examination, her body felt warm. Which of the following investigation can be helpful in reaching the diagnosis?

Secretion of prolactin is inhibited by?

Which of the following is FALSE about Ghrelin?

Which of the following causes hypocalcemia:

If iodine supplementation in the diet was completely stopped today, thyroid hormone levels in blood will be severely depleted after:

Thyroid hormone binds to which receptor ?