Correct Answer: B

Rationale: Electrolytes and uric acid levels are important to monitor for the development of tumor lysis syndrome.

Correct Answer: A

Rationale: Testicular cancer is indeed highly treatable and curable, particularly when detected early through regular self-examinations. The survival rates for testicular cancer are very high, with many cases being treatable even if the cancer has spread, thanks to effective treatment options such as surgery, chemotherapy, and radiation therapy. Educating clients on the importance of early detection through monthly testicular self-examinations can empower them to recognize any changes early, increasing the likelihood of successful treatment.

Correct Answer: D

Rationale: In the immediate postoperative period following a gastrectomy, any bloody drainage from the nasogastric (NG) tube is concerning and requires prompt evaluation. This could indicate potential complications such as bleeding from the surgical site, erosion, or other postoperative issues. Notifying the healthcare provider immediately is crucial to ensure that the patient receives timely assessment and intervention. The presence of blood may necessitate further diagnostic procedures, interventions, or changes in management to prevent serious complications.

Correct Answer: C

Rationale: A potassium level of 2.8 mEq/L is critically low and requires immediate intervention.

Correct Answer: D

Rationale: In clients undergoing chemotherapy, the immune system is often compromised due to the effects of treatment, making them more susceptible to infections. A fever over 100.4°F (38°C) is considered a critical sign of infection in these patients and requires immediate medical evaluation. Fever may indicate the presence of an infection that could escalate quickly in immunocompromised individuals, so it is vital for patients to recognize this symptom and seek prompt medical attention.