Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. A nurse is caring for a client with tuberculosis. Which action is most
important?
A. Place the client in a private room
B. Encourage high-protein diet
C. Limit fluid intake
D. Provide oxygen as needed
Answer: A
Rationale: Airborne precautions require a private negative-pressure room
to prevent transmission.
2. A client is prescribed digoxin. Which finding requires holding the
medication?
A. Heart rate 78 bpm
, B. Heart rate 62 bpm
C. Blood pressure 120/80
D. Respiratory rate 18
Answer: B
Rationale: Digoxin should be withheld if heart rate is below 60 bpm to
prevent toxicity.
3. A nurse is teaching a client with diabetes about hypoglycemia. Which
symptom is expected?
A. Fruity breath
B. Slow pulse
C. Sweating and shakiness
D. Deep rapid breathing
Answer: C
Rationale: Hypoglycemia causes sympathetic activation leading to
sweating, tremors, and anxiety.
4. Which electrolyte imbalance is most dangerous in cardiac patients?
A. Sodium 140 mEq/L
B. Potassium 6.5 mEq/L
C. Calcium 9 mg/dL
D. Chloride 100 mEq/L
,Answer: B
Rationale: Hyperkalemia can cause life-threatening dysrhythmias.
5. A post-operative client suddenly develops chest pain and dyspnea.
What is the priority action?
A. Encourage coughing
B. Administer oxygen
C. Check temperature
D. Increase IV fluids
Answer: B
Rationale: Oxygen improves tissue perfusion during suspected pulmonary
embolism or hypoxia.
6. Which medication is used to treat hypertension?
A. Insulin
B. Lisinopril
C. Omeprazole
D. Amoxicillin
Answer: B
Rationale: Lisinopril is an ACE inhibitor used to lower blood pressure.
, 7. A nurse is caring for a newborn. Which finding requires immediate
action?
A. Yellowish skin after 48 hours
B. Respiratory rate 40/min
C. Cyanosis of lips
D. Sleeping 16 hours/day
Answer: C
Rationale: Cyanosis indicates inadequate oxygenation and is an
emergency.
8. Which is the best method to prevent infection in a hospital?
A. Wearing gloves only
B. Hand hygiene
C. Using antibiotics
D. Isolating all patients
Answer: B
Rationale: Hand hygiene is the most effective method to prevent infection
transmission.
9. A client with asthma is experiencing acute attack. Which medication is
first priority?
A. Albuterol