Medical Quiz

Composition of Blood and Blood Cells Quiz


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Erythrocytes have a _______ shape that increases its oxygen carrying capacity.

A. spiral

B. sickle

C. biconcave

D. spherical


This is a blood smear. What type of cell is indicated by the YELLOW arrow?

A. erythrocyte (RBC)

B. megakaryocyte

C. leukocyte (WBC)

D. thrombocyte (platelet)


This is a blood smear. What type of cell is indicated by the RED arrow?

A. erythrocyte (RBC)

B. megakaryocyte

C. leukocyte (WBC)

D. thrombocyte (platelet)


Another name for white blood cell is

A. erythrocyte

B. plasmocyte

C. leukocyte

D. thrombocyte


Identify the substance labeled “A” in this vial of blood.

A. Buffy Coat (platelets and WBCs)

B. Formed Elements (RBC)

C. Plasma


Which of the following is NOT a primary function of blood?

A. help fight disease

B. transports nutrients, oxygen, wastes, and hormones

C. to provide structure

D. distributes heat


What is the function of a thrombocyte?

A. functions in transport of oxygen bound to hemoglobin and also transports small amounts of carbon dioxide

B. needed for blood clotting; initiates the clotting cascade by clinging to a torn vessel

C. defends the body against infection and disease by ingesting foreign materials or by producing antibodies


White blood cells can be classified as granulocytes or agranulocytes. Which type is shown with letter B?

A. granulocytes

B. agranulocytes


Another name for red blood cell is

A. erythrocyte

B. hemocytoblast

C. leukocyte

D. thrombocyte


Formed elements (RBCs) make up ______% of blood.

A. <1% B. 45% C. 55% D. 0%


Plasma makes up ~______% of blood.

A. <1% B. 45% C. 55% D. 0%


The Buffy Coat (WBC and platelets) makes up ~______% of blood.

A. <1% B. 45% C. 55% D. 0%


_________is/are the fluid matrix found in blood.

A. White blood cells

B. Red blood cells

C. Formed elements

D. Plasma


Which blood cell contains hemoglobin?

A. Erythrocytes (RBC)

B. Leukocytes (WBC)

C. Thrombocytes (platelets)


Erythrocytes are ___________.

A. multinucleate

B. uninucleate

C. anucleuate


Identify the substance labeled “C” in this vial of blood.

A. Buffy Coat (platelets and WBCs)

B. Formed Elements (RBC)

C. Plasma


Erythrocytes contain the protein ______ that carries oxygen.

A. hemoglobin

B. melanin

C. keratin

D. collagen


The study of blood is called

A. endocrinology

B. hematology

C. neurology

D. dermatology


What is the function of a leukocyte?

A. functions in transport of oxygen bound to hemoglobin and also transports small amounts of carbon dioxide

B. needed for blood clotting; initiates the clotting cascade by clinging to a torn vessel

C. defends the body against infection and disease by ingesting foreign materials or by producing antibodies


What is the function of a erythrocyte?

A. functions in transport of oxygen bound to hemoglobin and also transports small amounts of carbon dioxide

B. needed for blood clotting; initiates the clotting cascade by clinging to a torn vessel

C. defends the body against infection and disease by ingesting foreign materials or by producing antibodies


Which of the following are cell fragments not whole cells?

A. erythrocyte (RBC)

B. leukocyte (WBC)

C. thrombocyte (platelet)


Blood is a classified as a _________ tissue because there are cells embedded in a lot plasma matrix.

A. epithelial

B. connective

C. muscular

D. nervous


Where does blood cell formation (hematopoiesis) take place, producing new blood cells?

A. red bone marrow

B. yellow bone marrow

C. elastic cartilage

D. articular cartilage


Identify the substance labeled “B” in this vial of blood.

A. Buffy Coat (platelets and WBCs)

B. Formed Elements (RBC)

C. Plasma


White blood cells can be classified as granulocytes or agranulocytes. Which type is shown with letter A?

A. granulocytes

B. agranulocytes




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