FREE LABORATORY SCIENCE AND STUDY GAMES ABOUT

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FREE LABORATORY SCIENCE AND STUDY GAMES ABOUT

HEMATOLOGY 1 EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -30 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Pappenheimer bodies are composed of:

Answer:

Iron Question 2: The red blood cell protein that is responsible for deformability and flexibility of the

red blood cell is:

Answer:

Spectrin Question 3: All are characteristic of the red blood cell in stages of development:

Answer:

nuclei are "baseball round", immature cells are larger, N:C ratio decreases as the cell matures Question 4: What is a significant morphologic difference between irreversibly sickled cells and reversible sickled cells?

Answer:

Pointed projections to the sickle cell

Question 5: Asynchrony in the bone marrow is defined as the:

Answer:

Nuclear development and hemoglobin development that is unbalanced Question 6: From each pronormoblast precursor cell, ____ mature red blood cells are produced.

Answer:

16 Question 7: The hemoglobin molecule consists of:

Answer:

four heme molecules, four globin chains Question 8: The red cell protein that is responsible for deformability and flexibility of the red cell

is:

Answer:

Spectrin Question 9: The red cell inclusion derived from denatured hemoglobin are:

Answer:

Heinz bodies Question 10: Increased plasma cholesterol may lead to the development of which of these abnormal red cell morphologies?

Answer:

Target cells Question 11: What red blood cell morphology may form as a result of excess cholesterol taken on the red blood cell membrane?

Answer:

Target cells Question 12: Polychromatophilic macrocytes in the peripheral smear are most likely:

Answer:

Reticulocytes

Question 13: The basic pathophysiology of the thalassemic conditions is a:

Answer:

Decreased or absent globin chain synthesis Question 14: A characteristic that is not a stage of development of the red blood cell:

Answer:

distinct granulation in the cytoplasm Question 15: What is the RBC pathways is responsible for providing 90% of the cellular AATP for red cell metabolism?

Answer:

Embden-Meyerhof pathway Question 16: The degree of effective erythropoietic activity in any hematological disorder is

most readily assessed by a:

Answer:

Reticulocyte count Question 17: The erythrocyte stage that marks the beginning of hemoglobinization is called:

Answer:

Polychromatophilic normoblast Question 18: Most hypochromic cells will have an MCHC that is:

Answer:

Less than 30% Question 19: The last nucleated stage of erythrocytic maturation is the:

Answer:

Orthochromic normoblast Question 20: The higher the N:C ratio, the more mature the cell.

Answer:

False

Question 21: One of the key morphological features of the nucleated red cell stages is:

Answer:

A round nucleus Question 22: Red cell inclusions that are remnants of DNA are termed:

Answer:

Howell Jolly bodies Question 23: What red blood cell inclusions originate as a result of denatured hemoglobin?

Answer:

Heinz bodies Question 24: The anucleate mature red blood cell has no ability to produce protein.

Answer:

True Question 25: Reversible sickled cells are described as having a:

Answer:

Half-moon shape with rounded ends Question 26: What are two integral proteins in the red blood cell structure that house red blood cell antigens?

Answer:

Glycophorin A and glycophorin B

Question 27: In which conditions can you see elliptocytes?

Answer:

Iron deficiency anemia Question 28: Hypochromia is used to define:

Answer:

Decrease in hemoglobin content of the red blood cell