1. A nurse monitors a client taking lamotrigine. What adverse
effect should prompt discontinuation?
A. Rash
B. Constipation
C. Nausea
D. Drowsiness
Answer: A
Rationale: Lamotrigine can cause a life-threatening rash (e.g.,
Stevens-Johnson syndrome). Report immediately.
2. 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.
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 receiving methotrexate for cancer reports mouth sores.
What is the nurse's best response?
A. “This is a normal side effect.”
B. “Increase intake of spicy food.”
C. “Use a soft toothbrush and rinse with saline.”
D. “Chew gum frequently.”
Answer: C
Rationale: Mouth sores (stomatitis) are common. Gentle oral care
is essential to prevent infection and discomfort.
5. A client on lithium therapy has a sodium level of 128 mEq/L.
What is the nurse's best action?
A. Encourage low-sodium diet
B. Administer next dose
C. Hold the dose and notify the provider
D. Increase fluid restriction
Answer: C
Rationale: Hyponatremia can increase lithium toxicity risk. Hold
the dose and notify the provider.
6. A nurse is caring for a client prescribed lisinopril. Which lab
result should the nurse report to the provider?
A. Sodium 138 mEq/L
B. Potassium 5.8 mEq/L
, C. Hemoglobin 14 g/dL
D. BUN 18 mg/dL
Answer: B
Rationale: Lisinopril, an ACE inhibitor, can cause hyperkalemia. A
potassium level of 5.8 is elevated and should be reported.
7. A client taking haloperidol develops a high fever and muscle
rigidity. What should the nurse suspect?
A. Serotonin syndrome
B. Neuroleptic malignant syndrome (NMS)
C. Tardive dyskinesia
D. Extrapyramidal symptoms (EPS)
Answer: B
Rationale: NMS is a rare but fatal reaction to antipsychotics.
Requires immediate intervention.
8. A client uses sublingual nitroglycerin. Which instruction is
correct?
A. Swallow the pill with water
B. Take up to 3 doses, 5 minutes apart
C. Store it in a warm area
D. Use it once weekly
Answer: B
Rationale: For chest pain, take 1 tablet every 5 minutes, up to 3
doses, and call 911 if no relief after the first.
9. Which statement indicates proper understanding of enoxaparin
(Lovenox) administration?
effect should prompt discontinuation?
A. Rash
B. Constipation
C. Nausea
D. Drowsiness
Answer: A
Rationale: Lamotrigine can cause a life-threatening rash (e.g.,
Stevens-Johnson syndrome). Report immediately.
2. 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.
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 receiving methotrexate for cancer reports mouth sores.
What is the nurse's best response?
A. “This is a normal side effect.”
B. “Increase intake of spicy food.”
C. “Use a soft toothbrush and rinse with saline.”
D. “Chew gum frequently.”
Answer: C
Rationale: Mouth sores (stomatitis) are common. Gentle oral care
is essential to prevent infection and discomfort.
5. A client on lithium therapy has a sodium level of 128 mEq/L.
What is the nurse's best action?
A. Encourage low-sodium diet
B. Administer next dose
C. Hold the dose and notify the provider
D. Increase fluid restriction
Answer: C
Rationale: Hyponatremia can increase lithium toxicity risk. Hold
the dose and notify the provider.
6. A nurse is caring for a client prescribed lisinopril. Which lab
result should the nurse report to the provider?
A. Sodium 138 mEq/L
B. Potassium 5.8 mEq/L
, C. Hemoglobin 14 g/dL
D. BUN 18 mg/dL
Answer: B
Rationale: Lisinopril, an ACE inhibitor, can cause hyperkalemia. A
potassium level of 5.8 is elevated and should be reported.
7. A client taking haloperidol develops a high fever and muscle
rigidity. What should the nurse suspect?
A. Serotonin syndrome
B. Neuroleptic malignant syndrome (NMS)
C. Tardive dyskinesia
D. Extrapyramidal symptoms (EPS)
Answer: B
Rationale: NMS is a rare but fatal reaction to antipsychotics.
Requires immediate intervention.
8. A client uses sublingual nitroglycerin. Which instruction is
correct?
A. Swallow the pill with water
B. Take up to 3 doses, 5 minutes apart
C. Store it in a warm area
D. Use it once weekly
Answer: B
Rationale: For chest pain, take 1 tablet every 5 minutes, up to 3
doses, and call 911 if no relief after the first.
9. Which statement indicates proper understanding of enoxaparin
(Lovenox) administration?
