Practice Exam III Updated Exam 2026 WITH Recent Newest
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1.A nurse is preparing to administer digoxin to an adult client with heart failure. Which
assessment finding requires the nurse to withhold the medication and notify the healthcare
provider?
A. Blood pressure 132/78 mmHg
B. Apical pulse 54 beats/minute
C. Respiratory rate 18 breaths/minute
D. Temperature 98.8°F (37.1°C)
Answer: B. Apical pulse 54 beats/minute
Rationale: Digoxin slows the heart rate. An apical pulse below 60 beats/minute in adults is
generally a contraindication for administration until the healthcare provider is notified.
Administering digoxin with significant bradycardia may worsen the condition and increase
the risk of life-threatening dysrhythmias.
2. A client receiving intravenous heparin suddenly develops hematuria. Which
medication should the nurse anticipate administering?
A. Vitamin K
B. Protamine sulfate
C. Naloxone
D. Acetylcysteine
Answer: B. Protamine sulfate
Rationale: Protamine sulfate is the specific antidote for heparin overdose. It rapidly
neutralizes circulating heparin. Vitamin K reverses warfarin, naloxone reverses opioids, and
acetylcysteine is used for acetaminophen toxicity.
, 3. A nurse is teaching a client prescribed warfarin. Which statement indicates a need
for further teaching?
A. "I will have my INR checked regularly."
B. "I should avoid activities that increase my risk of injury."
C. "I can take aspirin for headaches whenever needed."
D. "I will report unusual bleeding."
Answer: C. "I can take aspirin for headaches whenever needed."
Rationale: Aspirin increases bleeding risk by inhibiting platelet aggregation. Clients taking
warfarin should avoid aspirin unless specifically prescribed. Regular INR monitoring,
bleeding precautions, and prompt reporting of abnormal bleeding are essential.
4. Which laboratory value should the nurse monitor most closely for a client receiving
gentamicin?
A. Hemoglobin
B. Serum creatinine
C. Platelet count
D. White blood cell count
Answer: B. Serum creatinine
Rationale: Gentamicin is nephrotoxic and ototoxic. Monitoring kidney function through
serum creatinine and blood urea nitrogen helps detect early toxicity. Elevated creatinine
may indicate impaired renal function requiring dosage adjustment.
5. A client taking furosemide reports muscle weakness and leg cramps. Which
electrolyte imbalance should the nurse suspect?
A. Hypercalcemia
B. Hypermagnesemia
C. Hypokalemia
D. Hypernatremia
Answer: C. Hypokalemia
Rationale: Loop diuretics such as furosemide promote potassium loss, increasing the risk
for hypokalemia. Muscle weakness, cramps, fatigue, and cardiac dysrhythmias are
common manifestations.
, 6. A nurse administers regular insulin at 7:30 AM. When should the nurse anticipate
the highest risk for hypoglycemia?
A. 8:00 AM
B. 10:30 AM
C. 2:00 PM
D. 8:00 PM
Answer: B. 10:30 AM
Rationale: Regular insulin peaks approximately 2–4 hours after administration. During the
peak, blood glucose may decrease significantly, placing the client at greatest risk for
hypoglycemia.
7. Which client statement demonstrates correct understanding of nitroglycerin
sublingual tablets?
A. "I should store them in the bathroom medicine cabinet."
B. "I will replace the tablets every six months."
C. "I should swallow the tablet immediately."
D. "I should take the medication with food."
Answer: B. "I will replace the tablets every six months."
Rationale: Nitroglycerin tablets lose potency after prolonged exposure to moisture, heat,
and light. They should remain in their original dark glass container and typically be replaced
every six months.
8. Which adverse effect is most important for the nurse to monitor in a client receiving
morphine intravenously?
A. Constipation
B. Respiratory depression
C. Dry mouth
D. Nausea
Answer: B. Respiratory depression