A 45-year-old female comes to the physician because of headaches and palpitations. Vitals reveal a blood pressure of 190/140 mm Hg and a heart rate of 105/ min. A CT scan of the abdomen is obtained…

The correct answer is E. tyrosine. This patient has an adrenal pheochromocytoma which is the most common adrenal medullar tumor in adults. It usually presents with episodic hypertension, headaches and palpitations. The tumor arises from the sympathetic chromaffin cells in the adrenal gland hence it secretes…

Normal Structure and Function

Question

A 45-year-old female comes to the physician because of headaches and palpitations. Vitals reveal a blood pressure of 190/140 mm Hg and a heart rate of 105/ min. A CT scan of the abdomen is obtained which reveals an adrenal mass. The hormones secreted by the adrenal mass are derived from:

Options

Aarginine
Bglutamate
Cglycine
Dtryptophan
Etyrosine

How the community answered

(26 responses)

A
4% (1)
C
15% (4)
D
4% (1)
E
77% (20)

Explanation

This patient has an adrenal pheochromocytoma which is the most common adrenal medullar tumor in adults. It usually presents with episodic hypertension, headaches and palpitations. The tumor arises from the sympathetic chromaffin cells in the adrenal gland hence it secretes catecholamines such as epinephrine, norepinephrine and dopamine which are derived from

Topics

#pheochromocytoma#catecholamine synthesis#tyrosine#adrenal medulla

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