Correct Answer: A

Rationale: The correct answer is A: Universal blood and body fluid precautions. This is recommended by the CDC to prevent the spread of HIV because the virus can be present in blood and certain body fluids. Universal precautions involve treating all blood and body fluids as potentially infectious. Incorrect choices: B: Body systems isolation - This is not specific to preventing the spread of HIV and is not recommended by the CDC. C: Laminar flow room during active infection - This is not a standard recommendation for preventing the spread of HIV. D: Needle and syringe precautions - While important in preventing needlestick injuries, it is not the primary method recommended by the CDC for preventing the spread of HIV.

Correct Answer: B

Rationale: The Heimlich maneuver is performed to clear the airway if a client is choking and cannot speak or breathe after swallowing food. Step 1: Assess the situation and confirm airway obstruction. Step 2: Stand behind the client, wrap your arms around their waist, and deliver upward abdominal thrusts. Step 3: Repeat thrusts until the object is dislodged. Other choices are incorrect as they do not address airway obstruction. A: Increasing medication absorption is not a purpose of the Heimlich maneuver. C: Preventing falls and D: Maintaining extremities in proper position are not related to choking emergencies.

Correct Answer: B

Rationale: The correct answer is B because the patient being able to ambulate in the hallway with crutches indicates that the expected outcome of improved physical mobility due to the fractured leg has been met. This demonstrates progress towards independence and recovery. A is incorrect because the patient still requires assistance, indicating dependency. C is incorrect because denial of pain does not necessarily indicate improved physical mobility. D is incorrect because it is too general and does not directly show achievement of the specific goal related to physical mobility.

Correct Answer: B

Rationale: The correct answer is B. Mr. Sy's statement indicates he understands the pre-operative fasting instructions, which is crucial to prevent aspiration during surgery. Not eating after midnight reduces the risk of complications. A: Incorrect. Wearing a pneumatic compression device post-surgery is important, but this statement does not demonstrate understanding of pre-surgery preparations. C: Incorrect. Knowing the skin preparation site size does not indicate understanding of the surgery process. D: Incorrect. Signing the consent form at the operating table may indicate lack of understanding of the consent process and timing. In summary, choice B is correct as it shows Mr. Sy's awareness of the fasting requirement before surgery, which is crucial for a safe operation.

Correct Answer: D

Rationale: The correct answer is D: Involve the son in the plan of care as much as possible. This is important for several reasons. Firstly, involving the son promotes family-centered care, which can improve patient outcomes. Secondly, the son may provide valuable insights into the patient's preferences and needs. Thirdly, it can help reduce the patient's confusion by providing familiar support. Option A is incorrect as it disregards the potential benefits of involving family members. Option B is incorrect as it focuses on the patient's rest without considering the emotional support the son may provide. Option C is incorrect as it assumes the gender of the family member matters more than their relationship to the patient.