Bronchodilators Practice Questions

Question 1

Aminophylline inhibits which of the following enzymes?

Accepted Answer

Phosphodiesterase

Answer

MAO

Answer

Alcohol dehydrogenase

Answer

Cytochrome P450

Question 2

The activation of muscarinic receptors in bronchiolar smooth muscle is associated with:

Accepted Answer

Increase in IP3 and DAG

Answer

Inhibition of protein kinase C

Answer

Activation of adenylyl cyclase

Answer

Opening of Na+/K+ cation channels

Question 3

Which of the following is NOT a beta-2 agonist?

Accepted Answer

Ketotifen

Answer

Terbutaline

Answer

Salbutamol

Answer

Bambuterol

Question 4

All of the following drugs are used for the treatment of urinary incontinence except:

Accepted Answer

Ipratropium

Answer

Oxybutynin

Answer

Tolterodine

Answer

Darifenacin

Question 5

Which of the following antimicrobials should not be given to a chronic asthmatic patient managed on theophylline therapy?

Accepted Answer

Erythromycin

Answer

Amoxicillin

Answer

Cefotaxime

Answer

Cotrimoxazole

Question 6

What is a contraindication of antimuscarinic drugs?

Accepted Answer

Glaucoma

Answer

Peptic ulcer

Answer

Asthma

Answer

Urinary incontinence

Question 7

Maximum effect of bronchodilatation in asthma is caused by -

Accepted Answer

Beta 2-Agonist

Answer

Corticosteroids

Answer

Theophylline

Answer

Anticholinergic

Question 8

Tamsulosin belongs to

Accepted Answer

α1a receptor blockers

Answer

α1a receptor agonist

Answer

β-blockers

Answer

5α-reductase inhibitors

Question 9

Which of the following statement is correct regarding the graph shown? (AllMS Nov 2016)

Accepted Answer

Drug acting on graph B is isoproterenol

Answer

Drug in graph A is epinephrine

Answer

Effect on heart in graph A can be overcome by antimuscarinic

Answer

Drug acting on graph C is nor-epinephrine

Question 10

What is an atypical side effect of montelukast?

Accepted Answer

Churg-Strauss syndrome

Answer

Goodpasture syndrome

Answer

Membranous glomerulonephritis

Answer

Bronchial asthma

Bronchodilators — MCQs

Bronchodilators — MCQs

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