CSGD Quiz 4 2010

1

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?


2

Which one of the following hormones does not interact with a cell surface receptor?


3

Which one of the following human hormones is not a glyco-protein consisting of both alpha- and beta- subunits?


4

Which one of the following features of thyrotoxicosis is specific for Graves’ disease?


5

Hypothyroidism can be due to all of the following mechanisms except


6

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?


7

TSH exerts its effects by stimulation via the TSH receptor. Which one of the following statements regarding the TSH receptor is correct?


8

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?


9

Which one of the following statements is not correct?


10

Which one of the following descriptions of Sestamibi is correct?