1. Which lab value should be monitored regularly for a client on
statins?
A. BUN
B. AST and ALT
C. Sodium
D. Hematocrit
Answer: B
Rationale: Statins can cause liver damage. Monitor liver enzymes
(AST/ALT).
2. A client taking isoniazid (INH) for tuberculosis develops
numbness and tingling in their hands and feet. What should the
nurse anticipate?
A. The need for increased calcium
B. Administration of pyridoxine (vitamin B6)
C. Discontinuation of therapy
D. Addition of prednisone
Answer: B
Rationale: Isoniazid can cause peripheral neuropathy, often
prevented or treated with vitamin B6.
3. A client taking furosemide reports muscle cramps. Which lab
value correlates with this symptom?
A. Sodium 142
B. Potassium 2.9
C. Chloride 101
,D. Magnesium 2.0
Answer: B
Rationale: Furosemide can cause hypokalemia, which leads to
muscle cramps. Normal potassium: 3.5–5.0.
4. A client is taking diphenhydramine. Which side effect is most
likely?
A. Hypertension
B. Drowsiness
C. Diarrhea
D. Insomnia
Answer: B
Rationale: First-generation antihistamines like diphenhydramine
cause sedation and drowsiness.
5. A client is using a scopolamine patch for motion sickness. What
side effect should the nurse monitor?
A. Diarrhea
B. Blurred vision and dry mouth
C. Rash
D. Hearing loss
Answer: B
Rationale: Scopolamine has anticholinergic effects like dry mouth,
blurred vision, and urinary retention.
6. A client is prescribed exenatide. What is a common side effect?
A. Hyperglycemia
B. Constipation
, C. Nausea
D. Tachycardia
Answer: C
Rationale: Exenatide can cause nausea, especially when initiating
therapy. It’s an injectable incretin mimetic.
7. A nurse is administering digoxin to a client. Which finding
requires immediate action?
A. HR 62 bpm
B. Blurred vision with yellow halos
C. BP 140/88 mmHg
D. Urine output 400 mL in 8 hours
Answer: B
Rationale: Visual disturbances and halos are signs of digoxin
toxicity, especially when paired with bradycardia.
8. A client with myasthenia gravis is prescribed neostigmine.
Which finding indicates underdosing?
A. Bradycardia
B. Muscle weakness
C. Diarrhea
D. Excessive salivation
Answer: B
Rationale: Muscle weakness could indicate myasthenic crisis,
requiring dosage adjustment.
9. A client is prescribed bupropion for smoking cessation. Which
side effect is most serious?
statins?
A. BUN
B. AST and ALT
C. Sodium
D. Hematocrit
Answer: B
Rationale: Statins can cause liver damage. Monitor liver enzymes
(AST/ALT).
2. A client taking isoniazid (INH) for tuberculosis develops
numbness and tingling in their hands and feet. What should the
nurse anticipate?
A. The need for increased calcium
B. Administration of pyridoxine (vitamin B6)
C. Discontinuation of therapy
D. Addition of prednisone
Answer: B
Rationale: Isoniazid can cause peripheral neuropathy, often
prevented or treated with vitamin B6.
3. A client taking furosemide reports muscle cramps. Which lab
value correlates with this symptom?
A. Sodium 142
B. Potassium 2.9
C. Chloride 101
,D. Magnesium 2.0
Answer: B
Rationale: Furosemide can cause hypokalemia, which leads to
muscle cramps. Normal potassium: 3.5–5.0.
4. A client is taking diphenhydramine. Which side effect is most
likely?
A. Hypertension
B. Drowsiness
C. Diarrhea
D. Insomnia
Answer: B
Rationale: First-generation antihistamines like diphenhydramine
cause sedation and drowsiness.
5. A client is using a scopolamine patch for motion sickness. What
side effect should the nurse monitor?
A. Diarrhea
B. Blurred vision and dry mouth
C. Rash
D. Hearing loss
Answer: B
Rationale: Scopolamine has anticholinergic effects like dry mouth,
blurred vision, and urinary retention.
6. A client is prescribed exenatide. What is a common side effect?
A. Hyperglycemia
B. Constipation
, C. Nausea
D. Tachycardia
Answer: C
Rationale: Exenatide can cause nausea, especially when initiating
therapy. It’s an injectable incretin mimetic.
7. A nurse is administering digoxin to a client. Which finding
requires immediate action?
A. HR 62 bpm
B. Blurred vision with yellow halos
C. BP 140/88 mmHg
D. Urine output 400 mL in 8 hours
Answer: B
Rationale: Visual disturbances and halos are signs of digoxin
toxicity, especially when paired with bradycardia.
8. A client with myasthenia gravis is prescribed neostigmine.
Which finding indicates underdosing?
A. Bradycardia
B. Muscle weakness
C. Diarrhea
D. Excessive salivation
Answer: B
Rationale: Muscle weakness could indicate myasthenic crisis,
requiring dosage adjustment.
9. A client is prescribed bupropion for smoking cessation. Which
side effect is most serious?