Question 1

Which of the following cell types are phagocytic and are involved in the earliest phases of an inflammatory reaction?

Accepted Answer

A)   B Lymphocytes
B)   Basophils
C)   Monocytes
D)   Neutrophils
E)   Platelets D

Question 2

Each of the following is a true statement about neutrophils EXCEPT

Accepted Answer

A)   Their cytoplasm contains specific granules that contain major basic protein (MBP)  crystals
B)   They are bactericidal
C)   They are capable of diapedesis
D)   They make up approximately 65% of all white blood cells
E)   They are active phagocytic cells A

Question 3

Where is the primary site of hemopoiesis?

Accepted Answer

A)   Adipose tissue
B)   Blood vessels
C)   Bone marrow
D)   Liver
E)   Lymph nodes C

Question 4

Which of the following cell types are functionally related to mast cells in that they release histamine and other vasoactive substances?

Accepted Answer

A)   Basophils
B)   Eosinophils
C)   Erythrocytes
D)   Monocytes
E)   Neutrophils

Question 5

Which cell type differentiates into macrophages?

Accepted Answer

A)   Basophil
B)   Eosinophil
C)   Lymphocyte
D)   Monocyte
E)   Neutrophil

Question 6

All of the following are true of blood clotting EXCEPT

Accepted Answer

A)   Heparin enhances the action of thrombin
B)   Prothrombinase catalyzes the prothrombin conversion
C)   Thrombin converts fibrinogen to fibrin
D)   Thrombin is converted from prothrombin
E)   Vitamin K is needed for the liver to synthesize prothrombin

Question 7

One major protein of plasma that is involved in blood clotting is

Accepted Answer

A)   Albumin
B)   Fibrinogen
C)   Globulin
D)   Immunoglobulin
E)   Spectrin

Question 8

The majority of the formed elements of blood are

Accepted Answer

A)   Eosinophils
B)   Erythrocytes
C)   Lymphocytes
D)   Monocytes
E)   Thrombocytes

Question 9

Erythropoietin

Accepted Answer

A)   Blocks the production of red blood cells
B)   Inhibits blood clotting
C)   Is a hormone released by the pituitary gland
D)   Stimulates red blood cell destruction in the spleen
E)   Stimulates red blood cell production in the bone marrow

Question 10

Which cell type gives rise to platelets (thrombocytes)?

Accepted Answer

A)   Megakaryocyte
B)   Monoblast
C)   Monocyte
D)   Myeloblast
E)   Thromboblast

Question 11

What is the primary function of red blood cells?

Accepted Answer

A)   Clotting
B)   Hemopoiesis
C)   Inflammatory response
D)   Oxygen and carbon dioxide transport
E)   Phagocytosis

Question 12

Which of the following hematopoietic growth factors stimulates the production of eosinophils?

Accepted Answer

A)   Erythropoietin
B)   Flt3 ligand
C)   Granulocyte macrophage colony-stimulating factor
D)   Stem cell factor
E)   Thrombopoietin

Question 13

During homing and inflammation, _____ occurs following rolling and attachment

Accepted Answer

A)   Adhesion
B)   Macrophage activation
C)   Migration of T-cells
D)   Selectin expression
E)   Tumor necrosis factor - α secretion

Question 14

Which cell type synthesizes and releases antibodies?

Accepted Answer

A)   Basophil
B)   B-lymphocyte
C)   Eosinophil
D)   Monocyte
E)   T-lymphocyte

Exam 6: Blood and Hematopoiesis