Medical Quiz

Composition of Blood and Blood Cells Quiz


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Erythrocytes are ___________.

A. multinucleate

B. uninucleate

C. anucleuate


The study of blood is called

A. endocrinology

B. hematology

C. neurology

D. dermatology


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

A. Buffy Coat (platelets and WBCs)

B. Formed Elements (RBC)

C. Plasma


Blood cells are called the ______ in blood.

A. only component

B. primary component

C. formed elements

D. plasma matrix


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


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


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


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

A. erythrocyte (RBC)

B. megakaryocyte

C. leukocyte (WBC)

D. thrombocyte (platelet)


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

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


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

A. granulocytes

B. agranulocytes


_________is/are the fluid matrix found in blood.

A. White blood cells

B. Red blood cells

C. Formed elements

D. Plasma


Which of the following are cell fragments not whole cells?

A. erythrocyte (RBC)

B. leukocyte (WBC)

C. thrombocyte (platelet)


Blood changes from bluish, red to bright red in color when it binds with

A. iron

B. carbon dioxide

C. oxygen

D. hemoglobin


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)


Plasma makes up ~______% of blood.

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


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

A. Buffy Coat (platelets and WBCs)

B. Formed Elements (RBC)

C. Plasma


Another name for red blood cell is

A. erythrocyte

B. hemocytoblast

C. leukocyte

D. thrombocyte


Another name for white blood cell is

A. erythrocyte

B. plasmocyte

C. leukocyte

D. thrombocyte


________ is a major component of hemoglobin that carries oxygen to all parts of the body.

A. copper

B. magnesium

C. potassium

D. iron


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 platelet is

A. erythrocyte

B. megakaryocyte

C. leukocyte

D. thrombocyte


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


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

A. spiral

B. sickle

C. biconcave

D. spherical


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

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




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