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 on clozapine reports fever and sore throat. What is the
priority action?
A. Reassure and monitor
B. Administer antipyretics
C. Check WBC count
D. Suggest lozenges
Answer: C
Rationale: Clozapine can cause agranulocytosis. A fever + sore
throat may signal low WBC—check labs.
3. A client is prescribed bupropion for smoking cessation. Which
side effect is most serious?
A. Dry mouth
B. Insomnia
C. Seizures
D. Weight loss
Answer: C
Rationale: Bupropion lowers seizure threshold. Clients at risk (e.g.,
with eating disorders) need close monitoring.
4. A client is prescribed loratadine for seasonal allergies. What is
,A. key difference from diphenhydramine?
A. Loratadine causes more drowsiness
B. Loratadine causes GI upset
C. Loratadine is non-sedating
D. Loratadine is only available IV
Answer: C
Rationale: Second-generation antihistamines like loratadine are
non-sedating.
5. What lab value should be monitored in a client receiving
propylthiouracil (PTU)?
A. Glucose
B. TSH and T3/T4
C. Calcium
D. Sodium
Answer: B
Rationale: PTU suppresses thyroid hormone. Monitor TSH, T3, and
T4 to assess effectiveness.
6. A client with asthma uses albuterol PRN. Which statement
shows proper understanding?
A. “I use this every morning and night.”
B. “I use this when I’m having shortness of breath.”
C. “I use it with my steroid inhaler at the same time.”
D. “I use this even if I’m not having symptoms.”
Answer: B
Rationale: Albuterol is a rescue inhaler used during asthma attacks
or acute symptoms.
7. 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.
8. 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.
9. A client asks about insulin glargine (Lantus). What is the
correct response?
A. “It works immediately.”
B. “It peaks in 4 hours.”
C. “It has no peak and lasts 24 hours.”
D. “It must be mixed with regular insulin.”
Answer: C
Rationale: Glargine is a long-acting insulin with no pronounced
peak, providing steady glucose control.
10. A client taking omeprazole asks why it is prescribed. Which
response is correct?
A. "It coats the lining of the stomach."
B. "It neutralizes gastric acid."
C. "It blocks acid production."
D. "It stimulates protective mucus production."
Answer: C
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 on clozapine reports fever and sore throat. What is the
priority action?
A. Reassure and monitor
B. Administer antipyretics
C. Check WBC count
D. Suggest lozenges
Answer: C
Rationale: Clozapine can cause agranulocytosis. A fever + sore
throat may signal low WBC—check labs.
3. A client is prescribed bupropion for smoking cessation. Which
side effect is most serious?
A. Dry mouth
B. Insomnia
C. Seizures
D. Weight loss
Answer: C
Rationale: Bupropion lowers seizure threshold. Clients at risk (e.g.,
with eating disorders) need close monitoring.
4. A client is prescribed loratadine for seasonal allergies. What is
,A. key difference from diphenhydramine?
A. Loratadine causes more drowsiness
B. Loratadine causes GI upset
C. Loratadine is non-sedating
D. Loratadine is only available IV
Answer: C
Rationale: Second-generation antihistamines like loratadine are
non-sedating.
5. What lab value should be monitored in a client receiving
propylthiouracil (PTU)?
A. Glucose
B. TSH and T3/T4
C. Calcium
D. Sodium
Answer: B
Rationale: PTU suppresses thyroid hormone. Monitor TSH, T3, and
T4 to assess effectiveness.
6. A client with asthma uses albuterol PRN. Which statement
shows proper understanding?
A. “I use this every morning and night.”
B. “I use this when I’m having shortness of breath.”
C. “I use it with my steroid inhaler at the same time.”
D. “I use this even if I’m not having symptoms.”
Answer: B
Rationale: Albuterol is a rescue inhaler used during asthma attacks
or acute symptoms.
7. 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.
8. 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.
9. A client asks about insulin glargine (Lantus). What is the
correct response?
A. “It works immediately.”
B. “It peaks in 4 hours.”
C. “It has no peak and lasts 24 hours.”
D. “It must be mixed with regular insulin.”
Answer: C
Rationale: Glargine is a long-acting insulin with no pronounced
peak, providing steady glucose control.
10. A client taking omeprazole asks why it is prescribed. Which
response is correct?
A. "It coats the lining of the stomach."
B. "It neutralizes gastric acid."
C. "It blocks acid production."
D. "It stimulates protective mucus production."
Answer: C