Alpha Blockers

Question 1

What are the non selective alpha receptor antagonists

Answer 1

Phenoxybanzamine

Phentolamine

Question 2

What are the a1 selective antagonists

Answer 2

Prazosin
Doxazosin
Terazosin

Question 3

What are the a2 selective antagonists

Answer 3

Yohimbine

Idazoxan

Question 4

What are the effects of of phenoxybenzamine and phentolamine

Answer 4

1. Postural hypotension
2. Increased heart rate
3. Increased cardiac output
   (Due to reflex response by beta receptors)

Question 5

What are the mixed blockers

Answer 5

Labetalol

Carvedilol

Question 6

What is labetalol used for

Answer 6

HTN treatment during PREGNANCY

Question 7

Carvedilol is used in the treatment of

1. _____
2. _____

Answer 7

HF

HTN

Question 8

A1 receptor antagonists cause ____ tachycardia that with non selective adrenoreceptor blockers because they ________

Answer 8

LESS TACHYCARDIA

DO NOT INHIBIT effect of a2
a2 block causes tachycardia and increased cardiac output

Question 9

What’s the drug used in the treatment of BPH

Answer 9

Tamsulosin

Question 10

What are the side effects of a1 blockers

Answer 10

Postural HTN
Tachycardia reflex

Impotence

Dyspnoea

Parasthesia

Nervousness