NUR185 EXAM 1 UPDATED WITH MOST TESTED QUESTIONS
AND ANSWERS | GRADED A+ | ASSURED SUCCESS WITH
DETAILED RATIONALES
1. What is the primary use of Theophylline and its drug class?
A. Anti-inflammatory; corticosteroid
B. Bronchodilator; xanthine derivative
C. Antihistamine; H1 blocker
D. Beta-blocker; adrenergic antagonist
✅Correct Answer: B
Rationale: Theophylline is a xanthine bronchodilator used to relax bronchial smooth muscle in
asthma and COPD.
2. Which findings indicate Theophylline toxicity?
A. Bradycardia and hypotension
B. Seizures, abdominal cramps, confusion, diarrhea
C. Hypoglycemia and tremors
D. Respiratory depression
✅Correct Answer: B
Rationale: Theophylline has a narrow therapeutic index; toxicity causes CNS and GI symptoms,
including seizures.
3. What is the antidote for acetaminophen overdose?
A. Naloxone
B. Activated charcoal
C. Vitamin K
D. Acetylcysteine (Mucomyst)
✅Correct Answer: D
Rationale: Acetylcysteine replenishes glutathione and prevents liver damage.
,ESTUDYR
4. Lisinopril belongs to which drug class?
A. ARB
B. Beta-blocker
C. Calcium channel blocker
D. ACE inhibitor
✅Correct Answer: D
Rationale: Lisinopril inhibits angiotensin-converting enzyme, lowering blood pressure.
5. Which medications are ACE inhibitors?
A. Losartan, Valsartan
B. Atenolol, Metoprolol
C. Captopril, Enalapril, Lisinopril, Benazepril, Fosinopril
D. Amlodipine, Verapamil
✅Correct Answer: C
Rationale: ACE inhibitors typically end in “-pril.”
6. Which side effects are associated with ACE inhibitors?
A. Weight gain and edema
B. Frequent cough, angioedema, hypotension
C. Bradycardia
D. Hypokalemia
✅Correct Answer: B
Rationale: ACE inhibitors increase bradykinin, causing cough and angioedema.
7. What is the therapeutic purpose of ACE inhibitors?
A. Treat arrhythmias
B. Prevent infection
C. Control BP and reduce cardiac workload in HF and post-MI patients
D. Increase cardiac output directly
✅Correct Answer: C
Rationale: ACE inhibitors reduce preload and afterload, improving cardiac outcomes.
, ESTUDYR
8. What does acetylcysteine do besides treating overdose?
A. Thickens mucus
B. Suppresses cough
C. Thins respiratory secretions
D. Reduces inflammation
✅Correct Answer: C
Rationale: Mucomyst acts as a mucolytic.
9. What must be available at the bedside for a patient receiving Mucomyst?
A. Oxygen tank
B. Cardiac monitor
C. Suction machine
D. Crash cart
✅Correct Answer: C
Rationale: Loosened secretions may obstruct the airway.
10. What is the action of Filgrastim (Neupogen)?
A. Increases platelets
B. Stimulates white blood cell production
C. Increases RBCs
D. Prevents infection directly
✅Correct Answer: B
Rationale: Filgrastim is a colony-stimulating factor for neutrophils.
11. What is the normal WBC range?
A. 1,000–3,000
B. 5,000–10,000
C. 10,000–15,000
D. 15,000–20,000
✅Correct Answer: B
Rationale: This range reflects normal immune function.