Correct Answer: A

Rationale: Identifying and mitigating home safety hazards can help prevent falls and injuries.

Correct Answer: B

Rationale: Intermittent bubbling in the suction control chamber is the correct observation indicating effective functioning of the chest tube. This bubbling signifies that the suction system is working correctly and maintaining the desired negative pressure in the pleural space. Continuous bubbling in the water-seal chamber suggests an air leak, which is not a normal finding. No fluctuation (tidaling) in the water-seal chamber may indicate a blockage or lack of communication between the pleural space and the water-seal, which is not ideal. Drainage of clear, pale yellow fluid from the chest tube is a normal finding, but it does not specifically indicate the effectiveness of the chest tube function.

Correct Answer: A

Rationale: Offering free blood pressure screenings provides participants with immediate, valuable information about their cardiovascular health.

Correct Answer: D

Rationale: Seeing halos around lights is a symptom of digoxin toxicity, which should be reported to the healthcare provider.

Correct Answer: A

Rationale: The 45-year-old father who smokes and has high cholesterol should be prioritized for further evaluation and intervention. He has multiple risk factors for cardiovascular disease, including smoking and high cholesterol, which significantly increase his risk. Addressing these modifiable risk factors is crucial in preventing cardiovascular events. The daughter (Choice B) and mother (Choice C) also have risk factors, but the father's combination of smoking and high cholesterol places him at higher immediate risk, demanding priority intervention. The 12-year-old son (Choice D) with a normal weight and an active lifestyle has a lower risk profile and does not require immediate intervention compared to the father.