Nokea
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.
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What is the physiological effect of moist heat on the treated area?
- A. Numbing the area treated.
- B. Drawing fluid to the site of application.
- C. dilating the blood vessels
- D. Constricting the blood vessels.
Correct Answer: C
Rationale: Moist heat dilates blood vessels, increasing blood flow and promoting healing.
A patient has a pooling of blood under unbroken skin of the hip after a fall. The nurse should document that this patient has a/an:
- A. Abrasion.
- B. Avulsion.
- C. Laceration.
- D. Hematoma.
Correct Answer: D
Rationale: A hematoma is a collection of blood under intact skin, caused by trauma like a fall.
The nurse clarifies that the second stage of wound healing is:
- A. Proliferation
- B. Maturation
- C. Inflammation
- D. Remodeling
Correct Answer: A
Rationale: Proliferation is the second stage, involving granulation and epithelialization, following inflammation.
The nurse reminds the 85-year-old patient that his healing will be slower due to age-related changes such as: (Select all that apply)
- A. Atherosclerosis
- B. Diminished lung function
- C. Excessive production of blood factors
- D. Increased immunity
- E. slow metabolism
Correct Answer: A,B,E
Rationale: A: Reduces blood flow. B: Limits oxygen delivery. E: Slows cellular repair. Immunity decreases with age (not D), and blood factors don't increase (C).
A nurse is concerned about an HIV immunocompromised patient's ability to heal due to a lack of certain factors. Which of the following are necessary for proper wound healing? (Select all that apply.)
- A. Adequate fibroblast function
- B. Intrinsic factor
- C. Synthesis of collagen
- D. Hemoglobin
- E. Adequate phagocytosis
Correct Answer: A,C,D,E
Rationale: A: Fibroblasts produce collagen. C: Collagen strengthens the wound. D: Hemoglobin delivers oxygen. E: Phagocytosis removes debris. Intrinsic factor (B) is unrelated to wounds.