GALEN NUR 155 EXAM 3 | 171 MOST TESTED QUESTIONS & ANSWERS 2026 | LATEST UPDATE. NUR 155 EXAM 3 PRACTICE QUESTIONS (ORIGINAL.

GALEN NUR 155 EXAM 3 | 171 MOST
TESTED QUESTIONS & ANSWERS 2026 |
LATEST UPDATE.
NUR 155 EXAM 3 PRACTICE QUESTIONS (ORIGINAL.
Questions 1–20 ax




1. A nurse assesses a postoperative patient's surgical incision. Which finding indicat
ax ax ax ax ax ax ax ax ax ax ax




es normal wound healing?
ax ax ax




A. Thick green drainage with odor
ax ax ax ax ax




B. Well-approximated wound edges with slight redness
ax ax ax ax ax ax




C. Separation of wound edges
ax ax ax ax




D. Large amount of bloody drainage
ax ax ax ax ax




Answer: B ax




Rationale: Slight redness and well-
ax ax ax ax




approximated edges are expected during the inflammatory phase of healing.
ax ax ax ax ax ax ax ax ax




2. Which patient is at greatest risk for developing a pressure injury?
ax ax ax ax ax ax ax ax ax ax ax




A. Ambulates independently twice daily
ax ax ax ax




B. Bedridden with poor nutrition
ax ax ax ax




C. Walks with a cane
ax ax ax ax




D. Young athlete recovering from surgery
ax ax ax ax ax




Answer: B ax




Rationale: Immobility and poor nutrition greatly increase pressure injury risk.
ax ax ax ax ax ax ax ax ax




3. Which intervention best prevents pressure injuries?
ax ax ax ax ax ax




A. Massage reddened areas
ax ax ax




B. Reposition every 2 hours
ax ax ax ax




C. Apply heat continuously
ax ax ax




D. Restrict fluids
ax ax

,Answer: B ax




Rationale: Frequent repositioning reduces prolonged pressure on tissues.
ax ax ax ax ax ax ax




4. Which oxygen delivery device provides the highest oxygen concentration?
ax ax ax ax ax ax ax ax ax




A. Nasal cannula
ax ax




B. Simple face mask
ax ax ax




C. Venturi mask
ax ax




D. Non-rebreather mask
ax ax




Answer: D ax




Rationale: A non-rebreather mask can deliver approximately 60–100% oxygen.
ax ax ax ax ax ax ax ax




5. A patient using a nasal cannula reports nasal dryness. What is the nurse's best act
ax ax ax ax ax ax ax ax ax ax ax ax ax ax ax




ion?

A. Remove oxygen therapy
ax ax ax




B. Add humidification if appropriate
ax ax ax ax




C. Increase oxygen flow to 10 L/min
ax ax ax ax ax ax




D. Encourage mouth breathing
ax ax ax




Answer: B ax




Rationale: Humidification helps reduce drying of the nasal mucosa.
ax ax ax ax ax ax ax ax




6. Which assessment finding requires immediate nursing intervention?
ax ax ax ax ax ax ax




A. Respiratory rate 18/min
ax ax ax




B. Oxygen saturation 86% on room air
ax ax ax ax ax ax




C. Heart rate 82/min
ax ax ax




D. Blood pressure 126/74 mmHg
ax ax ax ax




Answer: B ax




Rationale: Oxygen saturation below 90% indicates significant hypoxemia.
ax ax ax ax ax ax ax

, 7. Proper body mechanics require the nurse to:
ax ax ax ax ax ax ax




A. Bend at the waist
ax ax ax ax




B. Keep the object away from the body
ax ax ax ax ax ax ax




C. Lift with the legs while keeping the back straight
ax ax ax ax ax ax ax ax ax




D. Twist while lifting
ax ax ax




Answer: C ax




Rationale: Using the leg muscles protects the back and reduces injury.
ax ax ax ax ax ax ax ax ax ax




8. Which complication is most likely in an immobile patient?
ax ax ax ax ax ax ax ax ax




A. Improved circulation
ax ax




B. Pressure injuries
ax ax




C. Increased muscle strength
ax ax ax




D. Lower risk of DVT
ax ax ax ax




Answer: B ax




Rationale: Immobility increases the risk of skin breakdown.
ax ax ax ax ax ax ax




9. Which pain scale is appropriate for an alert adult?
ax ax ax ax ax ax ax ax ax




A. FLACC Scale
ax ax




B. Numeric Rating Scale (0–10)
ax ax ax ax




C. Apgar Score
ax ax




D. Braden Scale
ax ax




Answer: B ax




Rationale: The Numeric Rating Scale is commonly used for self-reporting pain.
ax ax ax ax ax ax ax ax ax ax




10. The nurse should assess pain:
ax ax ax ax ax




A. Only before medication
ax ax ax




B. Only after surgery
ax ax ax




C. Whenever the patient reports pain and after interventions
ax ax ax ax ax ax ax ax




D. Once per shift
ax ax ax