Partial 1 - Endocrinology

Question 1

The most common cause of hyperpituitarism

Answer 1

Pituitary Adenoma (Lactotrophic adenoma)

Question 2

What does hyperperprolactinemia inhibit and what symptoms does it cause?

Answer 2

It inhibits LH secretion, which gives signs in women such as amenorrhea, galactorrhea and infertility. In men it lead to erectile dysfunction and loss of libido.

Question 3

Pituitary apoplexy is

Answer 3

Hemorrhage or infaction of the pituitary gland that usually happens in the presence of a tumor

Question 4

Chromosomal abnormalities that causes short stature in children

Answer 4

Turner syndrome
GH deficiency
Hypothyroidism
Panhypopituitarism

Question 5

Chromosomal abnormalities that causes tall stature in children

Answer 5

Marfan syndrome

XYY syndrome

Question 6

Most common cause of acromegaly

Answer 6

GH-secreting adenomas

Question 7

Thyroid hormone increases metabolism of all body tissues except

Answer 7

Retinas
Spleen
Testes
Lungs

Question 8

Cretinism is

Answer 8

Untreated congenital hypothyroidism which causes mental retardation and impairs physical growth

Question 9

The first sign of congenital hypothyridism

Answer 9

Jaundice due to delayed maturation of the hepatic system for conjugating bilirubin

Question 10

Pretibial Myxedema is characteristic for

Answer 10

Grave’s disease

Question 11

Most common enzyme deficiency in Congenital Adrenal Hyperplasia

Answer 11

21-Hydroxylase

Question 12

Difference between Cushing syndrome and Cushing disease

Answer 12

Cushing syndrome is hypercortisolism of any cause, while cushing disease is a pituitary tumor secretion ACTH.

Question 13

Two most common causes of hypercalcemia

Answer 13

Increased bone resorption due to hyperparathyroidism and neoplasms