Correct Answer: D

Rationale: After a mastectomy, particularly when lymph nodes are removed, patients are at increased risk for developing lymphedema, which is a buildup of lymph fluid that can cause swelling in the affected arm. Wearing tight clothing can constrict lymphatic flow and increase the risk of developing lymphedema by impeding normal lymphatic drainage. Therefore, it is crucial to advise patients to avoid tight-fitting clothing, especially around the chest and arm areas.

Correct Answer: A

Rationale: If oral anesthetics are used, the patient must be warned to chew with extreme care to avoid inadvertently biting the tongue or buccal mucosa.

Correct Answer: C

Rationale: Chemotherapy drugs are typically administered systemically, meaning they circulate throughout the body via the bloodstream. This allows them to target cancer cells that may have spread beyond the original tumor site, making chemotherapy an effective treatment for cancers that are metastatic (have spread to other parts of the body). However, because chemotherapy is not selective, it can also affect healthy cells that divide rapidly, leading to a range of side effects.

Correct Answer: A

Rationale: Filgrastim is primarily used to increase white blood cell production in clients undergoing chemotherapy.

Correct Answer: B

Rationale: Risk for infection is a high priority due to the patient's compromised immune system from AML.