Nokea
The peripheral smear is a diagnostic test performed for which reason?
- A. assesses the level of hemoglobin.
- B. measures antibody production.
- C. examines the shape and structure of cells.
- D. identifies possible sources of infection
Correct Answer: C
Rationale: The peripheral smear allows the study of the size, structure, and shape of cells.
You may also like to solve these questions
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.
The presence of excess bands in the peripheral blood that indicate severe infection is indicated in which manner?
- A. shift to the left.
- B. shift to the right.
- C. bone marrow aspiration.
- D. thrombocytosis.
Correct Answer: A
Rationale: The presence of excess bands in the peripheral blood is called a shift to the left (i.e., a shift toward immature cells) and indicates severe infection.
Erythropoiesis is the term referring to which process?
- A. Destruction of older red blood cells
- B. Lack of folic acid to create new red blood cells
- C. Releasing white blood cells in response to infection
- D. Production of new red blood cells in the bone marrow
Correct Answer: D
Rationale: Erythropoiesis is the term used to describe the production of new red blood cells in the bone marrow.
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 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.