Nokea
The nurse explains to a patient with Non-Hodgkin's lymphoma that a positron emission tomography (PET) has been ordered for which reason?
- A. assess bone marrow depression.
- B. measure bone density.
- C. radiate and destroy diseased lymph nodes.
- D. determine the extent of possible metastasis.
Correct Answer: D
Rationale: The PET can aid in the staging of disease by determining the extent of any metastasis in the liver, lungs, or bones.
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The typical medical treatment of polycythemia vera involves repeated phlebotomies for which intended benefit?
- A. stimulate bone marrow.
- B. Reduce blood viscosity
- C. increase hemoglobin.
- D. reduce symptoms of gout.
Correct Answer: B
Rationale: Repeated phlebotomy decreases blood viscosity and prevent blood clots.
Which is a necessary factor that supports healthy erythropoiesis?
- A. Dietary magnesium
- B. Healthy bone marrow and kidney function
- C. Adequate oxygen source
- D. Vitamin B12
- E. Amino acids
- F. Vitamin B6
Correct Answer: B,D,E,F
Rationale: Erythropoiesis, red blood cell production, is dependent on the availability of healthy bone marrow and kidney function, dietary supply of copper and iron, amino acids, vitamins B12, folic acid, and pyridoxine (B6).
The nurse clarifies that ferrous replaces iron stores to treat iron deficiency anemia.
Correct Answer: sulfate
Rationale: Ferrous sulfate replaces iron stores needed to treat iron deficiency anemia.
The nurse will prepare the adult patient who will be undergoing bone marrow sampling by explaining the sample will be obtained from which site?
- A. Sternum
- B. Posterior superior iliac crest
- C. Posterior iliac crest
- D. Femur
Correct Answer: C
Rationale: The preferred site for bone marrow aspiration puncture in adults is the posterior iliac crest.
The nurse explains that because it is a reliable and predictable indicator of the body's level of infection or recovery, which is a common diagnostic tool?
- A. hemoglobin
- B. hematocrit
- C. mean cell volume (MCV)
- D. differential
Correct Answer: D
Rationale: A differential white blood cell count is an examination in which the different kinds of WBCs are counted and reported as percentages of the total examined. It is a common diagnostic tool because of its reliability and the predictability of the body's response to infection or its progress in recovery.