NCLEX-RN Preparation Questions: Healthcare and Nursing
20 Multiple-Choice Questions with Answers and Rationales
Question 1: Infection Control
A nurse is preparing to enter the room of a patient with pulmonary tuberculosis. Which personal
protective equipment (PPE) is most appropriate?
A. Surgical mask
B. N95 respirator
C. Face shield only
D. Sterile gloves only
Answer: B. N95 respirator
Rationale: Tuberculosis is transmitted through airborne particles. An N95 respirator protects
healthcare workers by filtering airborne pathogens. Surgical masks do not provide sufficient
airborne protection.
Question 2: Vital Signs
Which blood pressure reading is considered normal for a healthy adult?
A. 90/60 mmHg
B. 120/80 mmHg
C. 140/90 mmHg
D. 160/100 mmHg
Answer: B. 120/80 mmHg
Rationale: A blood pressure around 120/80 mmHg is considered normal. Persistent readings of
140/90 mmHg or higher indicate hypertension.
Question 3: Medication Administration
Before administering medication, the nurse must verify the patient's identity using:
A. Room number
B. Bed number
C. Two patient identifiers
D. Physician's name
, Answer: C. Two patient identifiers
Rationale: National patient safety standards require the use of at least two identifiers, such as the
patient's name and date of birth, to reduce medication errors.
Question 4: Patient Safety
A patient is at high risk for falls. Which intervention is the nurse's priority?
A. Keep all side rails raised.
B. Place the call light within reach.
C. Apply wrist restraints.
D. Encourage independent ambulation.
Answer: B. Place the call light within reach.
Rationale: Ensuring the patient can call for assistance helps prevent falls. Restraints should be
used only when absolutely necessary and with appropriate authorization.
Question 5: Diabetes Mellitus
A patient with diabetes reports sweating, confusion, and shakiness. What is the nurse's first
action?
A. Administer insulin.
B. Check the blood glucose level.
C. Encourage exercise.
D. Restrict fluids.
Answer: B. Check the blood glucose level.
Rationale: These symptoms suggest hypoglycemia. Confirming the blood glucose level guides
appropriate treatment.
Question 6: Oxygen Therapy
Which oxygen delivery device provides the highest concentration of oxygen?
A. Nasal cannula
B. Simple face mask
C. Venturi mask
D. Non-rebreather mask
20 Multiple-Choice Questions with Answers and Rationales
Question 1: Infection Control
A nurse is preparing to enter the room of a patient with pulmonary tuberculosis. Which personal
protective equipment (PPE) is most appropriate?
A. Surgical mask
B. N95 respirator
C. Face shield only
D. Sterile gloves only
Answer: B. N95 respirator
Rationale: Tuberculosis is transmitted through airborne particles. An N95 respirator protects
healthcare workers by filtering airborne pathogens. Surgical masks do not provide sufficient
airborne protection.
Question 2: Vital Signs
Which blood pressure reading is considered normal for a healthy adult?
A. 90/60 mmHg
B. 120/80 mmHg
C. 140/90 mmHg
D. 160/100 mmHg
Answer: B. 120/80 mmHg
Rationale: A blood pressure around 120/80 mmHg is considered normal. Persistent readings of
140/90 mmHg or higher indicate hypertension.
Question 3: Medication Administration
Before administering medication, the nurse must verify the patient's identity using:
A. Room number
B. Bed number
C. Two patient identifiers
D. Physician's name
, Answer: C. Two patient identifiers
Rationale: National patient safety standards require the use of at least two identifiers, such as the
patient's name and date of birth, to reduce medication errors.
Question 4: Patient Safety
A patient is at high risk for falls. Which intervention is the nurse's priority?
A. Keep all side rails raised.
B. Place the call light within reach.
C. Apply wrist restraints.
D. Encourage independent ambulation.
Answer: B. Place the call light within reach.
Rationale: Ensuring the patient can call for assistance helps prevent falls. Restraints should be
used only when absolutely necessary and with appropriate authorization.
Question 5: Diabetes Mellitus
A patient with diabetes reports sweating, confusion, and shakiness. What is the nurse's first
action?
A. Administer insulin.
B. Check the blood glucose level.
C. Encourage exercise.
D. Restrict fluids.
Answer: B. Check the blood glucose level.
Rationale: These symptoms suggest hypoglycemia. Confirming the blood glucose level guides
appropriate treatment.
Question 6: Oxygen Therapy
Which oxygen delivery device provides the highest concentration of oxygen?
A. Nasal cannula
B. Simple face mask
C. Venturi mask
D. Non-rebreather mask
