REx-PN Practice Exam 2026–
2027| Complete Test Prep
Practice Questions With
Answers & Detailed
Rationales |clinical Judgment
&Safety |A+ Rated
1. A practical nurse enters the room of a client who is
receiving oxygen by nasal cannula. Which action is most
important?
A. Apply petroleum jelly to the client's lips
B. Ensure that the oxygen tubing is not kinked
C. Place the oxygen tank beside the client's bed
D. Increase the oxygen flow rate if the client reports fatigue
Answer: B. Ensure that the oxygen tubing is not kinked
Rationale: A kinked oxygen tube can reduce oxygen delivery.
Petroleum-based products should not be used around oxygen
because they can increase fire risk.
2. A nurse is preparing to administer medication to a client.
Which action best prevents medication errors?
A. Ask the client whether the medication looks familiar
B. Compare the medication label with the medication administration record
,C. Prepare medications for several clients simultaneously
D. Document administration before giving the medication
Answer: B. Compare the medication label with the
medication administration record
Rationale: Medication verification against the MAR is a
fundamental safety measure. Medications should be
prepared for one client at a time.
3. A client becomes dizzy when standing. Which
intervention should the nurse implement first?
A. Encourage the client to walk independently
B. Have the client sit or lie down
C. Restrict oral fluids
D. Administer an antihypertensive medication
Answer: B. Have the client sit or lie down
Rationale: The immediate priority is preventing a fall and
injury. The nurse can then assess blood pressure, symptoms,
medications, and other possible causes.
4. Which client should the nurse assess first?
A. Client requesting assistance with bathing
B. Client with chronic arthritis reporting mild pain
C. Client with a new onset of difficulty breathing
D. Client requesting discharge instructions
Answer: C. Client with a new onset of difficulty breathing
Rationale: Acute respiratory difficulty can indicate a life-
threatening problem. Airway and breathing take priority over
routine needs.
,5. Which intervention is most effective for preventing
healthcare-associated infection?
A. Wearing gloves for every client interaction
B. Performing hand hygiene at appropriate times
C. Keeping the client's room door closed
D. Administering antibiotics prophylactically
Answer: B. Performing hand hygiene at appropriate times
Rationale: Hand hygiene is one of the most effective methods
of preventing transmission of microorganisms.
6. A client with suspected tuberculosis is admitted. Which
precaution is appropriate?
A. Contact precautions
B. Droplet precautions
C. Airborne precautions
D. Protective isolation
Answer: C. Airborne precautions
Rationale: Suspected pulmonary tuberculosis requires
airborne precautions because infectious particles can remain
suspended in the air.
7. A nurse sustains a needlestick injury. What should the
nurse do first?
A. Complete an incident report
B. Notify the client's family
C. Wash the area with soap and water
D. Wait for symptoms to develop
Answer: C. Wash the area with soap and water
, Rationale: Immediate cleansing reduces contamination. The
exposure should then be reported promptly for occupational-
health evaluation.
8. Which client is at greatest risk for developing a pressure
injury?
A. Ambulatory young adult
B. Client who independently changes position
C. Immobile client with poor nutritional intake
D. Client who walks three times daily
Answer: C. Immobile client with poor nutritional intake
Rationale: Immobility and inadequate nutrition both impair
tissue tolerance and healing, substantially increasing
pressure-injury risk.
9. Which intervention is most appropriate for preventing
pressure injuries in an immobile client?
A. Massage reddened bony prominences
B. Reposition the client regularly
C. Limit protein intake
D. Keep the head of bed elevated continuously
Answer: B. Reposition the client regularly
Rationale: Regular repositioning reduces prolonged pressure
and supports tissue perfusion. Reddened areas should not be
vigorously massaged.
10. A client is at high risk for falls. Which intervention is
appropriate?
A. Keep the bed in the highest position
B. Keep frequently used items within reach
2027| Complete Test Prep
Practice Questions With
Answers & Detailed
Rationales |clinical Judgment
&Safety |A+ Rated
1. A practical nurse enters the room of a client who is
receiving oxygen by nasal cannula. Which action is most
important?
A. Apply petroleum jelly to the client's lips
B. Ensure that the oxygen tubing is not kinked
C. Place the oxygen tank beside the client's bed
D. Increase the oxygen flow rate if the client reports fatigue
Answer: B. Ensure that the oxygen tubing is not kinked
Rationale: A kinked oxygen tube can reduce oxygen delivery.
Petroleum-based products should not be used around oxygen
because they can increase fire risk.
2. A nurse is preparing to administer medication to a client.
Which action best prevents medication errors?
A. Ask the client whether the medication looks familiar
B. Compare the medication label with the medication administration record
,C. Prepare medications for several clients simultaneously
D. Document administration before giving the medication
Answer: B. Compare the medication label with the
medication administration record
Rationale: Medication verification against the MAR is a
fundamental safety measure. Medications should be
prepared for one client at a time.
3. A client becomes dizzy when standing. Which
intervention should the nurse implement first?
A. Encourage the client to walk independently
B. Have the client sit or lie down
C. Restrict oral fluids
D. Administer an antihypertensive medication
Answer: B. Have the client sit or lie down
Rationale: The immediate priority is preventing a fall and
injury. The nurse can then assess blood pressure, symptoms,
medications, and other possible causes.
4. Which client should the nurse assess first?
A. Client requesting assistance with bathing
B. Client with chronic arthritis reporting mild pain
C. Client with a new onset of difficulty breathing
D. Client requesting discharge instructions
Answer: C. Client with a new onset of difficulty breathing
Rationale: Acute respiratory difficulty can indicate a life-
threatening problem. Airway and breathing take priority over
routine needs.
,5. Which intervention is most effective for preventing
healthcare-associated infection?
A. Wearing gloves for every client interaction
B. Performing hand hygiene at appropriate times
C. Keeping the client's room door closed
D. Administering antibiotics prophylactically
Answer: B. Performing hand hygiene at appropriate times
Rationale: Hand hygiene is one of the most effective methods
of preventing transmission of microorganisms.
6. A client with suspected tuberculosis is admitted. Which
precaution is appropriate?
A. Contact precautions
B. Droplet precautions
C. Airborne precautions
D. Protective isolation
Answer: C. Airborne precautions
Rationale: Suspected pulmonary tuberculosis requires
airborne precautions because infectious particles can remain
suspended in the air.
7. A nurse sustains a needlestick injury. What should the
nurse do first?
A. Complete an incident report
B. Notify the client's family
C. Wash the area with soap and water
D. Wait for symptoms to develop
Answer: C. Wash the area with soap and water
, Rationale: Immediate cleansing reduces contamination. The
exposure should then be reported promptly for occupational-
health evaluation.
8. Which client is at greatest risk for developing a pressure
injury?
A. Ambulatory young adult
B. Client who independently changes position
C. Immobile client with poor nutritional intake
D. Client who walks three times daily
Answer: C. Immobile client with poor nutritional intake
Rationale: Immobility and inadequate nutrition both impair
tissue tolerance and healing, substantially increasing
pressure-injury risk.
9. Which intervention is most appropriate for preventing
pressure injuries in an immobile client?
A. Massage reddened bony prominences
B. Reposition the client regularly
C. Limit protein intake
D. Keep the head of bed elevated continuously
Answer: B. Reposition the client regularly
Rationale: Regular repositioning reduces prolonged pressure
and supports tissue perfusion. Reddened areas should not be
vigorously massaged.
10. A client is at high risk for falls. Which intervention is
appropriate?
A. Keep the bed in the highest position
B. Keep frequently used items within reach
