Correct Answer: A

Rationale: Epoetin alfa is a medication used to treat anemia, particularly anemia related to chemotherapy or chronic kidney disease. It stimulates the bone marrow to produce more red blood cells, which increases the hemoglobin level. Monitoring hemoglobin is the best way to assess the effectiveness of epoetin alfa, as an increase in hemoglobin indicates that the body is producing more red blood cells and the anemia is improving.

Correct Answer: A

Rationale: Epoetin alfa is a medication used to treat anemia, particularly anemia related to chemotherapy or chronic kidney disease. It stimulates the bone marrow to produce more red blood cells, which increases the hemoglobin level. Monitoring hemoglobin is the best way to assess the effectiveness of epoetin alfa, as an increase in hemoglobin indicates that the body is producing more red blood cells and the anemia is improving.

Correct Answer: B

Rationale: Nausea and vomiting are among the most common and distressing side effects of chemotherapy. Chemotherapy drugs target rapidly dividing cells, including cancer cells, but they also affect healthy cells in the gastrointestinal (GI) tract, triggering the release of chemicals that stimulate the brain's vomiting center. These side effects can occur immediately (acute), be delayed, or even anticipatory, and often require management with antiemetic (anti-nausea) medications to improve the patient's comfort and quality of life during treatment.

Correct Answer: D

Rationale: Multiple myeloma is a type of cancer that involves the malignant proliferation of plasma cells, which are a type of white blood cell that produces antibodies. In multiple myeloma, these abnormal plasma cells accumulate in the bone marrow, where they interfere with the production of normal blood cells and lead to the formation of tumors in the bones. This can cause bone pain, fractures, anemia, and impaired immune function. The excessive production of abnormal antibodies can also result in kidney damage and other systemic complications.

Correct Answer: B

Rationale: Induction therapy for acute myeloid leukemia (AML) involves intensive chemotherapy aimed at achieving remission by eliminating a large number of cancerous cells. However, this aggressive treatment also severely reduces the production of healthy blood cells, including neutrophils, which leads to neutropenia (a dangerously low number of neutrophils). This makes the patient highly susceptible to infections, which can be life-threatening. Monitoring for signs of infection is critical during this phase, as infections may occur quickly and progress rapidly due to the compromised immune system. Early detection and prompt treatment of infections are vital to improving patient outcomes during induction therapy.