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Pharmacology Quiz

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Amphetamine primarily acts by

a)

Blocking dopamine receptors

b)

Increasing release of catecholamines

c)

Inhibiting MAO irreversibly

d)

Blocking calcium channels

2.

Major pharmacological action of amphetamine is

a)

CNS depression

b)

CNS stimulation

c)

Muscle relaxation

d)

Antipsychotic action

3.

Therapeutic use of amphetamine includes

a)

Parkinson disease

b)

ADHD

c)

Narcolepsy

d)

Depression

4.

Common adverse effect of amphetamine is

a)

Sedation

b)

Weight gain

c)

Insomnia and anorexia

d)

Bradycardia

5.

Chronic amphetamine abuse may lead to

a)

Parkinsonism

b)

Schizophrenia-like psychosis

c)

Alzheimer disease

d)

Myasthenia gravis

6.

Dopamine is preferred in acute renal failure because it

a)

Decreases renal blood flow

b)

Blocks aldosterone

c)

Increases renal perfusion at low doses

d)

Inhibits ADH

7.

Low-dose dopamine acts mainly on

a)

D1 receptors

b)

α1 receptors

c)

β1 receptors

d)

β2 receptors

8.

Selective alpha-1 blockers cause

a)

Bronchoconstriction

b)

Vasoconstriction

c)

Vasodilation and fall in BP

d)

Bradycardia

9.

Example of selective α1 blocker is

a)

Propranolol

b)

Prazosin

c)

Phenoxybenzamine

d)

Clonidine

10.

Major adverse effect of prazosin is

a)

Reflex hypertension

b)

First-dose postural hypotension

c)

Tachyphylaxis

d)

Bradycardia

11.

Selective α1 blockers are useful in

a)

Asthma

b)

Hypertension and BPH

c)

Arrhythmias

d)

Heart failure

12.

Tamsulosin acts mainly on

a)

α1A receptors

b)

α1B receptors

c)

β1 receptors

d)

β2 receptors

13.

Primary therapeutic use of tamsulosin is

a)

Hypertension

b)

Bronchial asthma

c)

Benign prostatic hyperplasia

d)

Heart failure

14.

Advantage of tamsulosin is

a)

Severe hypotension

b)

Minimal effect on blood pressure

c)

Bradycardia

d)

Central sedation

15.

Cardioselective beta-blockers selectively block

a)

β2 receptors

b)

β1 receptors

c)

α receptors

d)

Dopamine receptors

16.

Example of cardioselective beta-blocker is

a)

Propranolol

b)

Nadolol

c)

Atenolol

d)

Timolol

17.

Cardioselective beta-blockers are preferred in patients with

a)

Asthma

b)

Diabetes and asthma

c)

Peptic ulcer disease

d)

Epilepsy

18.

Beta-blocker with additional vasodilatory action is

a)

Metoprolol

b)

Atenolol

c)

Nebivolol

d)

Propranolol

19.

Nebivolol causes vasodilation by

a)

α blockade

b)

β2 stimulation

c)

NO release

d)

Calcium channel blockade

20.

Labetalol causes vasodilation due to blockade of

a)

β1 receptors only

b)

β2 receptors only

c)

α1 receptors

d)

Muscarinic receptors