Correct Answer: D

Rationale: In the Ann Arbor staging system for lymphomas, Stage 3 indicates that the disease has spread beyond the initial lymph node region to involve lymph nodes on both sides of the diaphragm (i.e., the areas above and below the diaphragm). This includes lymphatic involvement in both the thoracic and abdominal regions, signifying a more advanced disease state.

Correct Answer: D

Rationale: Handling radioactive excreta requires special precautions; the nurse must be familiar with the facility's policies.

Correct Answer: C

Rationale: Providing emotional support and discussing the uncertain future are crucial.

Correct Answer: B

Rationale: Epoetin alfa (Epogen) is a synthetic form of erythropoietin, a hormone that stimulates the production of red blood cells in the bone marrow. Chemotherapy often leads to anemia due to its effects on rapidly dividing cells, including those in the bone marrow responsible for red blood cell production. By administering epoetin alfa, the healthcare provider aims to increase the red blood cell count and improve hemoglobin levels, thereby alleviating symptoms associated with anemia, such as fatigue and weakness.

Correct Answer: A

Rationale: Skipping oral hygiene is not appropriate for a client, even if they are tired, as it increases the risk of infection.