ESTUDYR
NURS 218 PHARM EXAM 4 UPDATED WITH MOST TESTED
QUESTIONS AND ANSWERS | GRADED A+ | ASSURED SUCCESS
WITH DETAILED RATIONALES
1. Pseudoephedrine belongs to which drug class?
A. Beta-adrenergic blocker
B. Alpha-adrenergic agonist
C. Anticholinergic
D. Corticosteroid
Answer: B. Alpha-adrenergic agonist
Rationale: Pseudoephedrine stimulates alpha-adrenergic receptors, causing vasoconstriction and
reducing nasal congestion.
2. What is the primary use of pseudoephedrine?
A. Cough suppression
B. Nasal decongestion
C. Bronchodilation
D. Pain relief
Answer: B. Nasal decongestion
Rationale: Pseudoephedrine relieves nasal congestion by constricting blood vessels in the nasal
passages.
3. Which nursing consideration is important when administering pseudoephedrine?
A. Monitor for CNS stimulation and hypertension
B. Monitor for urinary retention
C. Monitor for sedation
D. Administer only at night
Answer: A. Monitor for CNS stimulation and hypertension
Rationale: Alpha-adrenergic stimulation can increase heart rate and blood pressure and cause
insomnia or nervousness.
, ESTUDYR
4. Dextromethorphan is classified as:
A. Expectorant
B. Antitussive
C. Beta-agonist
D. Mucolytic
Answer: B. Antitussive
Rationale: Dextromethorphan suppresses the cough reflex centrally in the medulla.
5. What is the primary indication for dextromethorphan?
A. Bronchodilation
B. Cough suppression
C. Allergy relief
D. Fluid replacement
Answer: B. Cough suppression
Rationale: It is used to suppress nonproductive coughs.
6. Guaifenesin belongs to which drug class?
A. Antitussive
B. Expectorant
C. Antihistamine
D. Mucolytic
Answer: B. Expectorant
Rationale: Guaifenesin thins and loosens mucus, making coughs more productive.
7. What is guaifenesin primarily used for?
A. Reduce inflammation
B. Suppress cough
NURS 218 PHARM EXAM 4 UPDATED WITH MOST TESTED
QUESTIONS AND ANSWERS | GRADED A+ | ASSURED SUCCESS
WITH DETAILED RATIONALES
1. Pseudoephedrine belongs to which drug class?
A. Beta-adrenergic blocker
B. Alpha-adrenergic agonist
C. Anticholinergic
D. Corticosteroid
Answer: B. Alpha-adrenergic agonist
Rationale: Pseudoephedrine stimulates alpha-adrenergic receptors, causing vasoconstriction and
reducing nasal congestion.
2. What is the primary use of pseudoephedrine?
A. Cough suppression
B. Nasal decongestion
C. Bronchodilation
D. Pain relief
Answer: B. Nasal decongestion
Rationale: Pseudoephedrine relieves nasal congestion by constricting blood vessels in the nasal
passages.
3. Which nursing consideration is important when administering pseudoephedrine?
A. Monitor for CNS stimulation and hypertension
B. Monitor for urinary retention
C. Monitor for sedation
D. Administer only at night
Answer: A. Monitor for CNS stimulation and hypertension
Rationale: Alpha-adrenergic stimulation can increase heart rate and blood pressure and cause
insomnia or nervousness.
, ESTUDYR
4. Dextromethorphan is classified as:
A. Expectorant
B. Antitussive
C. Beta-agonist
D. Mucolytic
Answer: B. Antitussive
Rationale: Dextromethorphan suppresses the cough reflex centrally in the medulla.
5. What is the primary indication for dextromethorphan?
A. Bronchodilation
B. Cough suppression
C. Allergy relief
D. Fluid replacement
Answer: B. Cough suppression
Rationale: It is used to suppress nonproductive coughs.
6. Guaifenesin belongs to which drug class?
A. Antitussive
B. Expectorant
C. Antihistamine
D. Mucolytic
Answer: B. Expectorant
Rationale: Guaifenesin thins and loosens mucus, making coughs more productive.
7. What is guaifenesin primarily used for?
A. Reduce inflammation
B. Suppress cough
