Nokea
The nurse warns the patient that one of the patient's habits has caused the reduction of functional hemoglobin, which limits the hemoglobin's oxygen-carrying ability. To improve this situation, the nurse suggests that the patient quit:
- A. Using marijuana.
- B. Eating excessive fats.
- C. Smoking cigarettes.
- D. Drinking
Correct Answer: C
Rationale: Smoking introduces carbon monoxide, reducing hemoglobin's oxygen-carrying capacity.
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A nurse explains that the major purpose of the use of a hydrocolloid dressing is to:
- A. Keep the wound dry.
- B. Leave the dressing in place for 7 days.
- C. Help destroy microorganisms in an infected wound.
- D. Promote a moist healing environment.
Correct Answer: D
Rationale: Hydrocolloid dressings maintain a moist environment to promote autolytic debridement and healing, not to dry the wound or kill microbes directly.
Superficial wounds heal faster when kept:
- A. Moist
- B. Dry
- C. Covered with a wet-to-dry dressing
- D. Debrided
Correct Answer: A
Rationale: Moist environments promote epithelialization and faster healing of superficial wounds.
The nurse places Dakin's solution in a wound for which purpose?
- A. Chemical debridement
- B. Healing
- C. Phagocytosis
- D. Primary intention
Correct Answer: A
Rationale: Dakin's solution chemically debrides by breaking down necrotic tissue.
While changing a wet-to-dry normal saline dressing for a patient with an ulcer on the heel, the nurse finds that the old dressing is stuck to the wound bed. What would be the most beneficial intervention by the nurse?
- A. Leave it in place and cover it with new, wet dressings.
- B. Moisten it with povidone-iodine.
- C. Add normal saline to loosen it.
- D. Pull it off using slow, steady pressure.
Correct Answer: C
Rationale: Adding saline loosens the dressing without damaging new tissue, unlike pulling it off dry.
The nurse assesses the large raised scar on the African American patient. How should the nurse document the lesion?
- A. Contusion
- B. Keloid
- C. Laceration
- D. Hematoma
Correct Answer: B
Rationale: A keloid is a raised scar that grows beyond the original wound, common in African Americans due to increased collagen production. A contusion is a bruise, a laceration is a tear, and a hematoma is a blood collection under the skin.