Correct Answer: B

Rationale: Providing the client with a device holder to wear around the waist allows them to comfortably carry the Holter monitor while engaging in normal activities throughout the 24-hour monitoring period. This approach supports the client's mobility and ensures the monitor is securely in place for accurate readings.

Correct Answer: D

Rationale: A slight increase in blood pressure without significant symptoms indicates that the client is tolerating the activity. In this scenario, a mild increase in blood pressure without other symptoms is a positive sign of tolerance to ambulation despite the underlying condition of bacterial endocarditis.

Correct Answer: C

Rationale: Gingival bleeding is a common side effect of anticoagulant therapy. Anticoagulants work by prolonging the time it takes for blood to clot, which can lead to bleeding issues, including gingival bleeding. Since bleeding, including gingival bleeding, can be a serious side effect that requires medical attention, the client should be educated on reporting it promptly to their healthcare provider.

Correct Answer: D

Rationale: In this scenario, the nurse should prioritize educating the client about the effects of cocaine on the heart and provide a referral for further help. This approach is crucial in addressing the root cause of the client's health issues and supporting them in making informed decisions about their health. Reporting the client to the police or simply explaining the damage without offering solutions may not effectively address the client's needs or promote holistic care.

Correct Answer: C

Rationale: Pain that worsens with breathing in can indicate pleuritic chest pain, which is non-cardiac in nature. This specific question helps in differentiating non-cardiac causes from cardiac causes of chest pain, as cardiac pain typically does not worsen with breathing.