Correct Answer: C

Rationale: Keeping the drainage system below the level of the chest (C) is crucial to ensure proper drainage and prevent backflow of air or fluid into the chest cavity. This position helps maintain the integrity of the closed drainage system. Ensuring the chest tube remains unclamped at all times (A) allows for continuous drainage. Emptying the chest tube (B) should be done as needed, not routinely every 2 hours. Assessing for subcutaneous emphysema (D) is important but not the most critical action in this scenario.

Correct Answer: C

Rationale: The correct position for administering a soap suds enema is the Sims' position, not the left lateral position. The Sims' position allows the enema solution to follow the anatomical course of the intestines and provides the best overall results. By repositioning the client in the Sims' position, the weight is distributed to the anterior ilium, facilitating the enema administration process.

Correct Answer: A

Rationale: Monitoring urine output is the most direct way to assess kidney function as it provides crucial information about the kidneys' ability to filter waste and produce urine. Changes in urine output can indicate potential issues with kidney function, such as decreased filtration or impaired excretion of waste products.

Correct Answer: B

Rationale: In this situation, providing space and privacy for the family allows them to openly discuss their concerns regarding the client's discharge. It respects the family's need for support, communication, and involvement in the decision-making process, ultimately fostering a more effective and compassionate care environment.

Correct Answer: C

Rationale: To evaluate the effectiveness of atorvastatin (Lipitor), the nurse should monitor liver function tests (LFTs) (C) because this medication can impact liver function. Complete blood count (CBC) (A), serum potassium level (B), and serum cholesterol level (D) are not directly indicative of the medication's effectiveness in managing coronary artery disease.