Blood

Question 1

A macrophage originates from what peripheral blood cell?

Answer 1

Monocyte

Question 2

Rouleau formation is commonly seen in what type of blood cell?

Answer 2

RBC

Question 3

What cell in the bone marrow is the first recognizable state in the RBC line?

Answer 3

Proerythroblast

Question 4

What cell type has a pyknotic nucleus that will be expelled during further development?

Answer 4

Normoblast

Question 5

What type of cell, after leaving the hemopoietic organ of its origin, may continue further cell division?

Answer 5

Lymphocytes

Question 6

During prenatal life, where are nucleated RBCs primarily formed?

Answer 6

Yolk Sac

Question 7

What is the most common WBC in the peripheral blood of humans?

Answer 7

Neutrophils

Question 8

What is the smallest component of peripheral blood produced directly from megakaryocytes?

Answer 8

Platelets

Question 9

What is the smallest WBC found in the peripheral blood?

Answer 9

Lymphocytes

Question 10

What WBC in the peripheral blood contains bright red granules (Wright’s Stain)?

Answer 10

Eosinophil

Question 11

What hematopoietic cell is polyploidy?

Answer 11

Megakaryocyte

Question 12

A parasitic infection would be reflected in the elevation of what WBC?

Answer 12

Eosinophil

Question 13

What cell can be described as a phagocyte in the peripheral blood typically having an indented nucleus & ropey chromatin?

Answer 13

Monocyte

Question 14

What RBC has a highly condensed nucleus?

Answer 14

Normoblast

Question 15

Granules of heparin and histamine are found in what WBC?

Answer 15

Basophil

Question 16

What cell derives directly from the myeloblast?

Answer 16

Promyelocyte

Question 17

During granulocyte differentiation, what cell is the last stage that can undergo mitosis

Answer 17

Myelocyte

Question 18

What agranulocyte is the least common in normal blood?

Answer 18

Monocyte

Question 19

What is the most common blood cell observed in a 4mo fetus?

Answer 19

Nucleated RBC

Question 20

In the initial stage of inflammation, what blood cell, excluding RBCs, predominate?

Answer 20

Neutrophil

Question 21

What cell has a life expectancy of about 8hrs?

Answer 21

Neutrophil

Question 22

What can become a macrophage?

Answer 22

Monocyte

Question 23

What RBC contains polyribosomes as a network, but no nucleus?

Answer 23

Reticulocyte

Question 24

A B-lymphocyte gives rise to what tissue cell?

Answer 24

Plasma Cell

Question 25

What component contains both alpha and dense granules?

Answer 25

Platelets

Question 26

What cell type lines the luminal surface of sinusoids in red bone marrow?

Answer 26

Endothelium

Question 27

The most common band cell is a developmental stage of what blood cell?

Answer 27

Neutrophil

Question 28

What RBC ejects its nucleus?

Answer 28

Normoblast

Question 29

What blood cell is associated w/ the cell-mediated immune response?

Answer 29

T-lymphocyte

Question 30

Promyelocytes differentiate into?

Answer 30

Myelocyte

Question 31

What cell comprises about 3% of WBCs?

Answer 31

Monocyte

Question 32

Platelets derive from what cell?

Answer 32

Megakaryocyte

Question 33

What is the most common nucleated cell in the blood?

Answer 33

Neutrophil

Question 34

What is the largest hemopoietic cell in the human blood marrow?

Answer 34

Megakaryocyte

Question 35

Heparin sulfate is found in the granules of what cell?

Answer 35

Basophils

Question 36

An inadequacy of what hemopoietic cell can lead to hemophilia?

Answer 36

Megakaryocyte

Question 37

From what cell is the plasma cell derived?

Answer 37

B-lymphocyte

Question 38

What organ can release large numbers of erythrocytes in response to trauma?

Answer 38

Spleen

Question 39

What cell secretes antibodies?

Answer 39

Plasma cell

Question 40

An immature erythrocyte is called?

Answer 40

Reticulocyte

Question 41

Basophils contain histamine & what other substance?

Answer 41

Heparin

Question 42

What cell produces vasoactive substances that counter act basophil secretions?

Answer 42

Eosinophils

Question 43

In mature blood cells, what large cell is not associated w/ a lobated nucleus?

Answer 43

Monocyte

Question 44

What granulocyte is the nucleus commonly obscured by the granulocytes?

Answer 44

Basophils

Question 45

What peripheral cell releases substances associated w/ hypersensitivity& anaphylaxis?

Answer 45

Basophil

Question 46

What cell type in the blood vascular system produced substances that react against vasoactive agents observed during allergic reactions?

Answer 46

Eosinophils

Question 47

What is the 1st site for hemopoiesis in the embryo?

Answer 47

Yolk sac

Question 48

What cell in the bone marrow relases cytokines (colony-stimulating factors)?

Answer 48

Reticular cells

Question 49

What substance regulates Erythropoiesis?

Answer 49

Erythropoietin

Question 50

What cell arises from the thymus, involved in cell-mediated immune response, & is involved in graft rejection?

Answer 50

T-lympocyte