1. 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.
2. A client with herpes simplex is prescribed acyclovir.
What is the
most important teaching?
A. "Take on an empty stomach."
B. "Drink plenty of fluids."
C. "Discontinue when symptoms improve."
D. "Expect yellowing of the eyes."
Answer: B
Rationale: Acyclovir can cause nephrotoxicity. Hydration is
essential to reduce the risk.
3. A client with COPD is on prednisone. Which instruction
is
appropriate?
A. Stop taking it once symptoms resolve
B. Take on an empty stomach
C. Report black tarry stools
D. Avoid potassium-rich foods
Answer: C
Rationale: Corticosteroids increase the risk for GI bleeding
and
ulcers. Tarry stools may indicate bleeding.
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 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.
6. A client is prescribed loperamide. Which condition is a
contraindication?
A. IBS
B. Infectious diarrhea
C. Traveler’s diarrhea
D. Post-antibiotic diarrhea
Answer: B
Rationale: Do not use antidiarrheals in infectious diarrhea,
as it
may retain toxins in the bowel.
7. A client with a penicillin allergy is prescribed
cephalexin. What
is the nurse’s priority?
A. Administer as ordered
B. Ask about previous reaction type
C. Hold the dose for 30 minutes
D. Give with food
Answer: B
Rationale: Cross-sensitivity may occur. Ask if the client had
A. true
anaphylactic reaction before administering.
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 is receiving morphine IV post-op. Which finding
is the
priority?
A. Nausea
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.
2. A client with herpes simplex is prescribed acyclovir.
What is the
most important teaching?
A. "Take on an empty stomach."
B. "Drink plenty of fluids."
C. "Discontinue when symptoms improve."
D. "Expect yellowing of the eyes."
Answer: B
Rationale: Acyclovir can cause nephrotoxicity. Hydration is
essential to reduce the risk.
3. A client with COPD is on prednisone. Which instruction
is
appropriate?
A. Stop taking it once symptoms resolve
B. Take on an empty stomach
C. Report black tarry stools
D. Avoid potassium-rich foods
Answer: C
Rationale: Corticosteroids increase the risk for GI bleeding
and
ulcers. Tarry stools may indicate bleeding.
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 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.
6. A client is prescribed loperamide. Which condition is a
contraindication?
A. IBS
B. Infectious diarrhea
C. Traveler’s diarrhea
D. Post-antibiotic diarrhea
Answer: B
Rationale: Do not use antidiarrheals in infectious diarrhea,
as it
may retain toxins in the bowel.
7. A client with a penicillin allergy is prescribed
cephalexin. What
is the nurse’s priority?
A. Administer as ordered
B. Ask about previous reaction type
C. Hold the dose for 30 minutes
D. Give with food
Answer: B
Rationale: Cross-sensitivity may occur. Ask if the client had
A. true
anaphylactic reaction before administering.
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 is receiving morphine IV post-op. Which finding
is the
priority?
A. Nausea
