Adrenergic Antagonist (blocker)

Question 1

Phentolamine

Answer 1

Reversible, short duration, treat hypertension caused by pheochromocytoma ( tumor in adrenal gland).
Widely used to reverse Local anesthesia with vasoconstrictor.

Question 2

Phenoxybenzamine

Answer 2

Irreversible, long duration, treat hypertension caused by pheochromocytoma (tumor in adrenal gland)

Question 3

What are the side effects of non selective alpha antagonists?

Answer 3

May trigger tachycardia and arrhythmia

Question 4

The Osin family

Answer 4

Praxosin , terazosin, doxazosin, tamsulosin

Question 5

Prazosin, terazosin, doxazosin

Answer 5

Treatment of hypertension

Question 6

Tamsulosin

Answer 6

Treatment of enlarged prostate gland

Question 7

What are the side effects of the alpha antagonist drugs

Answer 7

Orthostatic hypotension, nasal congestion, headache

Question 8

Yohimbine

Answer 8

A plant alkaloid, treat impotency and stimulate fat loss. May cause anxiety, manic psychosis or suicidal episodes