Blood and Hematology Quiz

The cells responsible for producing platelets are called ________.

• lymphoid stem cells

• monoblasts

• megakaryocytes

• myeloblasts

All of the following can be expected with polycythemia EXCEPT ________.

• low blood viscosity

• increased blood volume

• high hematocrit

• high blood pressure

Fred's blood was determined to be AB positive. What does this mean?

• There are no antibodies to A, to B, or to Rh antigens in the plasma.

• His blood lacks Rh factor.

• He can only receive blood from a donor who is AB positive.

• Antibodies to A and B are present in the red cells.

Which of the following is NOT a functional characteristic of WBCs?

• positive chemotaxis

• diapedesis

• ameboid motion

• granulosis

Which of the following would you expect to have the least effect on hematocrit percentage?

• injection with erythropoietin (EPO)

• prolonged or excessive fever

• dehydration

• living at higher altitude

Replacing lost blood volume with an isotonic saline solution

• restores the patient's blood glucose levels

• restores the oxygen-carrying capacity of the circulation

• lowers the patient's blood volume

• lowers the patient's hematocrit

Which of the choices below is the parent cell for all formed elements of blood?

• hemocytoblast

• megakaryocyte

• normoblast

• polymorphonuclear cell

A person with an extremely high count of neutrophils is likely suffering ________.

• polycythemia

• a bacterial infection

• anemia

• a viral infection

When neither anti-A serum nor anti-B serum clot on a blood plate with donor blood, the blood is type:

• AB

• A

• B

• O

Which body activity would be most affected if a patient lacked an adequate number of erythrocytes (anemia)?

• oxygen transport

• hormone transport

• clotting

• immune response