BASIC AND CLINICAL PHARMACOLOGY 15 BY
KATZUNG COMPREHENSIVE EXAM 2026 FULL
QUESTIONS AND CORRECT ANSWERS
ALREADY PASSED
◉ Benadryl does not make children excited. T/F
Answer: False, it can make small children excitable
◉ Benadryl can cause an allergic reaction. T/F
Answer: True, especially in IM or IV
◉ Benadryl is not used for nausea or motion sickness. T/F
Answer: False, Benadryl is also used for nausea and motion sickness.
◉ Astelin (nasal spray) has no systemic effects.
Answer: True
◉ What is nursing care for antihistamines?
Answer: 1. Caution if driving vehicle or performing tasks due to
drowsiness
2. Avoid alcohol and CNS depressants
, 3. Watch for confusion (not common), hypotension, dizziness,
drowsiness, urinary retention, blurred vision
4. Excitability in children
◉ What is the mechanism of action of nasal and systemic
decongestants?
Answer: stimulate adrenergic receptors to cause vascular
constriction of the capillaries in the nasal mucosa
◉ What is the results of a decongestant?
Answer: Shrink nasal mucous membrane and reduce fluid
secretions.
◉ What are the administration routes of decongestants?
Answer: 1. Nasal spray
2. drops
3. tablets
4. capsule
5. liquid form
◉ What is the major effect of frequent use of decongestant spray or
drops?
Answer: Rebound nasal congestion
KATZUNG COMPREHENSIVE EXAM 2026 FULL
QUESTIONS AND CORRECT ANSWERS
ALREADY PASSED
◉ Benadryl does not make children excited. T/F
Answer: False, it can make small children excitable
◉ Benadryl can cause an allergic reaction. T/F
Answer: True, especially in IM or IV
◉ Benadryl is not used for nausea or motion sickness. T/F
Answer: False, Benadryl is also used for nausea and motion sickness.
◉ Astelin (nasal spray) has no systemic effects.
Answer: True
◉ What is nursing care for antihistamines?
Answer: 1. Caution if driving vehicle or performing tasks due to
drowsiness
2. Avoid alcohol and CNS depressants
, 3. Watch for confusion (not common), hypotension, dizziness,
drowsiness, urinary retention, blurred vision
4. Excitability in children
◉ What is the mechanism of action of nasal and systemic
decongestants?
Answer: stimulate adrenergic receptors to cause vascular
constriction of the capillaries in the nasal mucosa
◉ What is the results of a decongestant?
Answer: Shrink nasal mucous membrane and reduce fluid
secretions.
◉ What are the administration routes of decongestants?
Answer: 1. Nasal spray
2. drops
3. tablets
4. capsule
5. liquid form
◉ What is the major effect of frequent use of decongestant spray or
drops?
Answer: Rebound nasal congestion
