Respiratory and allergy classes

PTCB PTCE
Medications
Matrix
Difficulty 3 of 5

Question

A pharmacy technician organizes a reference list. Assign each medication to its listed class.

Row	Bronchodilator	Antihistamine
Ipratropium	✓ Correct	Not correct
Loratadine	Not correct	✓ Correct
Tiotropium	✓ Correct	Not correct
Diphenhydramine	Not correct	✓ Correct

Answer

Ipratropium: Bronchodilator · Loratadine: Antihistamine · Tiotropium: Bronchodilator · Diphenhydramine: Antihistamine

Rationale

Ipratropium and tiotropium are listed as bronchodilators. Diphenhydramine and loratadine are listed as antihistamines.

RememberSort these drugs by their individual class, not by name alone.

Sources

Sources marked “Adapted from” are licensed under CC BY 4.0. We changed the material: its facts are rewritten into an original question, answer options and rationale. The original authors and publishers do not endorse SwipeExam.

Adapted from Open RN Nursing Pharmacology, 2nd edition: Chapter 4 Autonomic Nervous System Open RN (Chippewa Valley Technical College) · License: CC BY 4.0 · Retrieved November 2, 2026 · ANS Neuroreceptors and Effects › Parasympathetic Nervous System · 2nd edition, 2023

Last verified: November 5, 2026 2 independent automated checks Question ptcb-m-00132, version 1

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