Chapter 32: Red Blood Cells, Anemia and Polycythemia

Chapter 32: Red Blood Cells, Anemia and Polycythemia

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

1. A 52-year-old female with type 1 diabetes has had progressive renal failure over the past three years. She is not on dialysis and her examination shows no abnormalities. Her hemoglobin level is 9 g/dL, hematocrit is 29%, and mean corpuscular volume is 92 fL, and a blood smear shows normocytic, normochromic cells. Which of the following is the most likely cause of the anemia?
2. Acute blood loss
3. Pernicious anemia
4. Sickle cell disease
5. Erythropoietin deficiency
6. Hemolytic anemia
7. Polycythemia vera

ANS: D

2. Which of the following anemias has normocytic RBCs?
3. Hemolytic anemia
4. Vitamin B₁₂ deficiency
5. Folate deficiency
6. Anemia of chronic disease

ANS: A

Questions 3 – 5: Which point on the graph most closely defines the following conditions? Normal erythropoietin (EPO) levels are approximately 10.

3. Olympic marathon runner.

ANS: D

4. Polycythemia vera.

ANS: B

5. Chronic disease.

ANS: E

6. A healthy 3-year-old girl is brought to the emergency department because of severe uncontrolled nosebleed. She has a history of ear infections that have improved after treatment. Her temperature is elevated. She has numerous small bruises on her arms and legs. Her laboratory studies show:

Hemoglobin                      4.6 g/dL

Leukocyte count               3,000/mm³

Reticulocyte count            0.1%

Platelet count                    12,000/mm³

Which of the following is the most likely explanation for these findings?

1. Anemia due to blood loss
2. Aplastic anemia
3. Sickle cell disease
4. Mononucleosis

ANS: B

7. In the 5 month (middle trimester) fetus hematopoiesis is most active in the:

1. Yolk sac
2. Spleen
3. Liver
4. Bone marrow

ANS: C