1. A nurse gives regular insulin subcutaneously at 0700. At
what
time should the nurse monitor for signs of hypoglycemia?
A. 0715
B. 0800
C. 0930
D. 1200
Answer: C
Rationale: Regular insulin peaks in 2–4 hours. Hypoglycemia
is
most likely around 0930–1100.
2. A nurse is reviewing a client’s chart who is prescribed
gentamicin. Which finding should concern the nurse most?
A. Tinnitus
B. WBC 10,000
C. Urine output 50 mL/hr
D. Temperature 100.2°F
Answer: A
Rationale: Tinnitus is a sign of ototoxicity, a serious adverse
effect
of gentamicin.
3. A nurse is caring for a client on glipizide. Which
statement
indicates understanding?
A. “I can skip meals if I’m not hungry.”
B. “This medication will not cause low blood sugar.”
C. “I will avoid alcohol while taking this.”
D. “I can take this with grapefruit juice.”
Answer: C
Rationale: Alcohol with glipizide increases the risk of
hypoglycemia and a disulfiram-like reaction.
4. A client with chronic constipation uses magnesium
citrate
daily. What risk should the nurse discuss?
A. Hypertension
B. Hypernatremia
C. Electrolyte imbalance
D. Dehydration
Answer: C
Rationale: Chronic laxative use, especially osmotic types
like
magnesium citrate, causes fluid and electrolyte imbalances.
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 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.
7. 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.
8. A client is started on lorazepam for anxiety. Which
teaching
point is essential?
A. “Avoid grapefruit juice.”
B. “Take with NSAIDs.”
C. “Do not stop abruptly.”
D. “It may take weeks to work.”
Answer: C
Rationale: Benzodiazepines must be tapered to prevent
withdrawal symptoms and seizures.
9. A client is prescribed loperamide. Which condition is a
contraindication?
A. IBS
B. Infectious diarrhea
C. Traveler’s diarrhea
D. Post-antibiotic diarrhea
what
time should the nurse monitor for signs of hypoglycemia?
A. 0715
B. 0800
C. 0930
D. 1200
Answer: C
Rationale: Regular insulin peaks in 2–4 hours. Hypoglycemia
is
most likely around 0930–1100.
2. A nurse is reviewing a client’s chart who is prescribed
gentamicin. Which finding should concern the nurse most?
A. Tinnitus
B. WBC 10,000
C. Urine output 50 mL/hr
D. Temperature 100.2°F
Answer: A
Rationale: Tinnitus is a sign of ototoxicity, a serious adverse
effect
of gentamicin.
3. A nurse is caring for a client on glipizide. Which
statement
indicates understanding?
A. “I can skip meals if I’m not hungry.”
B. “This medication will not cause low blood sugar.”
C. “I will avoid alcohol while taking this.”
D. “I can take this with grapefruit juice.”
Answer: C
Rationale: Alcohol with glipizide increases the risk of
hypoglycemia and a disulfiram-like reaction.
4. A client with chronic constipation uses magnesium
citrate
daily. What risk should the nurse discuss?
A. Hypertension
B. Hypernatremia
C. Electrolyte imbalance
D. Dehydration
Answer: C
Rationale: Chronic laxative use, especially osmotic types
like
magnesium citrate, causes fluid and electrolyte imbalances.
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 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.
7. 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.
8. A client is started on lorazepam for anxiety. Which
teaching
point is essential?
A. “Avoid grapefruit juice.”
B. “Take with NSAIDs.”
C. “Do not stop abruptly.”
D. “It may take weeks to work.”
Answer: C
Rationale: Benzodiazepines must be tapered to prevent
withdrawal symptoms and seizures.
9. A client is prescribed loperamide. Which condition is a
contraindication?
A. IBS
B. Infectious diarrhea
C. Traveler’s diarrhea
D. Post-antibiotic diarrhea
