Question Bank
Antihistamines & Allergy Drugs — Respiratory & Allergy Pharmacology
Pharmacology Question Bank
Pharmacology Question Bank
Antihistamines & Allergy Drugs
Question 1 of 5
20% complete
0
s
Q1
Accuracy
No answers yet
Quick Tip
Question Navigator
Current
Correct
Incorrect
Unanswered
Antihistamines & Allergy Drugs MCQs: practice questions
Sample Antihistamines & Allergy Drugs multiple-choice questions from Respiratory & Allergy Pharmacology.
Which drug is a mast-cell stabilizer?
- A. Loratadine
- B. Fexofenadine
- C. Montelukast
- D. Diphenhydramine
- E. Cromolyn
Which drug class prevents mast-cell mediator release but does not acutely reverse bronchospasm?
- A. Chromones
- B. β2 agonists
- C. Muscarinic antagonists
- D. H1 antagonists
- E. PDE4 inhibitors
Which topical decongestant has rapid onset but increased rebound congestion risk?
- A. Oxymetazoline
- B. Loratadine
- C. Pseudoephedrine
- D. Ipratropium
- E. Montelukast
Which adverse effect is particularly associated with first-generation H1 antagonists?
- A. Sedation
- B. Pulmonary fibrosis
- C. Hepatic failure
- D. Oral candidiasis
- E. Severe hypokalemia
Which H1 antagonist is preferred when reduced sedation is desired?
- A. Loratadine
- B. Diphenhydramine
- C. Doxylamine
- D. Chlorpheniramine
- E. Promethazine
Which is a second-generation H1-receptor antagonist?
Which H1 antagonist is marketed as an over-the-counter sleep aid?
Which topical nasal corticosteroid requires about 1–2 weeks for full effect?
What feature distinguishes second-generation H1 antagonists?
Which adverse effects of chromones are usually localized?
Which is a first-generation H1-receptor antagonist?
Which H1 antagonist is used to prevent motion sickness?
Which H1 antagonist is the active metabolite of loratadine?
Which antihistamine group has little effect on rhinitis associated with common colds?
Which drug class reduces nasal congestion by constricting dilated arterioles?
Which nasal anticholinergic is approved for rhinorrhea?
Which statement about cromolyn is correct?
Which older antihistamines were removed from the market because of QT prolongation and ventricular tachycardias?
What condition results from prolonged use of topical nasal vasoconstrictors?
Which anticholinergic effect can occur with H1 antagonists?
Why is cromolyn administered by inhalation for asthma?
Which H1 antagonist is approved for rhinorrhea?
Which statement best describes second-generation H1 antagonists?
Which drug is an H1 antagonist rather than a leukotriene antagonist?
Which adverse effect is characteristic of α-adrenoceptor nasal decongestants?
Which receptor is antagonized by antihistamines used for allergic rhinitis?
Which nasal decongestant is administered orally?
Which listed antihistamine is a first-generation agent?
Which H1-antagonist effect can produce urinary retention?
Which H1 antagonist also has an antitussive effect?