Pharmacology: Respiratory Drugs
(Latest 2025-2026 Edition) 100% Verified Q&A + Answer
70+
Key Solutions
VERIFIED ANSWERS
Question 1
Drugs for upper respiratory disorder:
Correct Answer
1. antihistamines
2. decongestants
3. corticosteroids
4. antitussives
5. expectorants and myolytics
Question 2
How do antihistamines work?
Correct Answer
Block the action of histamine at the H1 receptor
(H1 receptor release histamine are allergic response)
Question 3
What are antihistamines used for?
Correct Answer
1. Cold symptoms - decrease nasopharyngeal secretions
2. Allergic rhinitis - decrease nasal itching and tickling that cause sneezing
3. Anaphylaxis
4. Drug allergies
5. Blood/blood product transfusion reaction
6. Dermatologic conditions
7. Motion sickness, nausea, vomiting, and sedation
Question 4
Prototype of antihistamine:
Correct Answer
diphenhydramine (Benadryl)
Trusted by thousands of students and professionals worldwide Page 1 of 11
, Question 5
First-generation antihistamine (diphenhydramine, Benadryl) cause:
Correct Answer
Dry mouth and drowsiness
Question 6
What is a second-generation antihistamines?
Correct Answer
Cetirizine (Zyrtec)
Ioratadine (Claritin)
( Dont cause as much sedation as first-generation)
Question 7
Benadryl does not make children excited. T/F
Correct Answer
False, it can make small children excitable
Question 8
Benadryl can cause an allergic reaction. T/F
Correct Answer
True, especially in IM or IV
Question 9
Benadryl is not used for nausea or motion sickness. T/F
Correct Answer
False, Benadryl is also used for nausea and motion sickness.
Question 10
Astelin (nasal spray) has no systemic effects.
Correct Answer
True
Question 11
What is nursing care for antihistamines?
Correct 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
Trusted by thousands of students and professionals worldwide Page 2 of 11
(Latest 2025-2026 Edition) 100% Verified Q&A + Answer
70+
Key Solutions
VERIFIED ANSWERS
Question 1
Drugs for upper respiratory disorder:
Correct Answer
1. antihistamines
2. decongestants
3. corticosteroids
4. antitussives
5. expectorants and myolytics
Question 2
How do antihistamines work?
Correct Answer
Block the action of histamine at the H1 receptor
(H1 receptor release histamine are allergic response)
Question 3
What are antihistamines used for?
Correct Answer
1. Cold symptoms - decrease nasopharyngeal secretions
2. Allergic rhinitis - decrease nasal itching and tickling that cause sneezing
3. Anaphylaxis
4. Drug allergies
5. Blood/blood product transfusion reaction
6. Dermatologic conditions
7. Motion sickness, nausea, vomiting, and sedation
Question 4
Prototype of antihistamine:
Correct Answer
diphenhydramine (Benadryl)
Trusted by thousands of students and professionals worldwide Page 1 of 11
, Question 5
First-generation antihistamine (diphenhydramine, Benadryl) cause:
Correct Answer
Dry mouth and drowsiness
Question 6
What is a second-generation antihistamines?
Correct Answer
Cetirizine (Zyrtec)
Ioratadine (Claritin)
( Dont cause as much sedation as first-generation)
Question 7
Benadryl does not make children excited. T/F
Correct Answer
False, it can make small children excitable
Question 8
Benadryl can cause an allergic reaction. T/F
Correct Answer
True, especially in IM or IV
Question 9
Benadryl is not used for nausea or motion sickness. T/F
Correct Answer
False, Benadryl is also used for nausea and motion sickness.
Question 10
Astelin (nasal spray) has no systemic effects.
Correct Answer
True
Question 11
What is nursing care for antihistamines?
Correct 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
Trusted by thousands of students and professionals worldwide Page 2 of 11
