Pharmacology Practice

20 learning units • 10 questions per unit • 200 explained questions

Module 11 — Respiratory Pharmacology

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Question 01 • Single best answer

Which action is produced directly by salbutamol?

A. Irreversible platelet inhibition B. Gastric acid neutralization C. Beta-2-mediated airway smooth-muscle relaxation D. Direct bacterial cell-wall destruction

Question 02 • Single best answer

Which treatment most directly addresses chronic airway inflammation in asthma?

A. Oral iron B. Inhaled corticosteroid C. Topical emollient D. Antacid alone

Question 03 • Single best answer

Why is a long-acting beta agonist used with inhaled corticosteroid therapy in asthma?

A. Steroids chemically convert it into oxygen B. LABAs are antibiotics C. The combination eliminates every adverse effect D. Bronchodilation alone does not provide adequate anti-inflammatory protection

Question 04 • Single best answer

Which receptor is blocked by ipratropium?

A. Muscarinic receptor B. Beta-2 receptor C. Histamine H2 receptor D. Insulin receptor

Question 05 • Single best answer

Which local adverse effect can follow inhaled corticosteroid use?

A. Universal bone-marrow failure B. Acute iron overload C. Orange urine D. Oral candidiasis

Question 06 • Single best answer

A patient reports no benefit from an inhaler. What should be checked before escalating treatment?

A. Only package price B. Device technique and adherence C. Only tablet swallowing ability D. Hair color

Question 07 • Single best answer

Which drug has a narrow margin with arrhythmias and seizures in toxicity?

A. Inhaled saline alone B. A topical emollient C. Oral rehydration salts D. Theophylline

Question 08 • Single best answer

What is montelukast's mechanism?

A. Leukotriene receptor antagonism B. Beta-1 blockade C. Direct thrombin inhibition D. Carbonic anhydrase inhibition

Question 09 • Single best answer

How can acetylcysteine reduce mucus viscosity?

A. Increases fibrin production B. Blocks vitamin K recycling C. Directly stimulates erythropoiesis D. Disrupts disulfide bonds in mucus

Question 10 • Single best answer

Which is a recognized beta-2 agonist adverse effect?

A. Profound hyperkalemia in all users B. Tremor and hypokalemia C. Permanent hearing loss in every patient D. Severe iron deficiency immediately