A 23 year-old pregnant woman is involved in a motor vehicle accident and sustains a fracture of the
base of the skull, which has resulted in the pituitary stalk being divided. No other damage has been
sustained and the hypothalamic-hypophyseal blood vessels are not affected. Which one of the following
is most likely?
Which one of the following hormones does not interact with a cell surface receptor?
Which one of the following human hormones is not a glyco-protein consisting of both alpha- and beta-
Which one of the following features of thyrotoxicosis is specific for Graves’ disease?
Hypothyroidism can be due to all of the following mechanisms except
Six weeks after thyroid surgery a patient is noticed to have a hoarse voice. Damage to which one of the
following nerves at the time of the surgery is most likely to be the cause of this symptom?
TSH exerts its effects by stimulation via the TSH receptor. Which one of the following statements
regarding the TSH receptor is correct?
A 2 year old boy presents with early pubic hair development, an enlarged penis, tall stature and over-
developed muscles for his age. His testes are of normal size for a boy of two. His older sister was born
with ambiguous genitalia.
Which one of the following statements about this boy is correct?
Which one of the following statements is not correct?
Which one of the following descriptions of Sestamibi is correct?