Medical Quiz

Composition of Blood and Blood Cells Quiz


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Plasma makes up ~______% of blood.

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


Another name for red blood cell is

A. erythrocyte

B. hemocytoblast

C. leukocyte

D. thrombocyte


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

A. Buffy Coat (platelets and WBCs)

B. Formed Elements (RBC)

C. Plasma


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)


Blood cells are called the ______ in blood.

A. only component

B. primary component

C. formed elements

D. plasma matrix


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

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


What are the red arrows pointing to?

A. plasma

B. bone marrow

C. hemoglobin

D. albumin


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

A. Buffy Coat (platelets and WBCs)

B. Formed Elements (RBC)

C. Plasma


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

A. Buffy Coat (platelets and WBCs)

B. Formed Elements (RBC)

C. Plasma


The study of blood is called

A. endocrinology

B. hematology

C. neurology

D. dermatology


Which of the following are transported in blood?

A. water & nutrients

B. oxygen & carbon dioxide

C. hormones & waste products

D. all the above


Which blood cell contains hemoglobin?

A. Erythrocytes (RBC)

B. Leukocytes (WBC)

C. Thrombocytes (platelets)


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)


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

A. iron

B. carbon dioxide

C. oxygen

D. hemoglobin


Which of the following are cell fragments not whole cells?

A. erythrocyte (RBC)

B. leukocyte (WBC)

C. thrombocyte (platelet)


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 are ___________.

A. multinucleate

B. uninucleate

C. anucleuate


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


Another name for platelet is

A. erythrocyte

B. megakaryocyte

C. leukocyte

D. thrombocyte


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


Another name for white blood cell is

A. erythrocyte

B. plasmocyte

C. leukocyte

D. thrombocyte


Erythrocytes contain the protein ______ that carries oxygen.

A. hemoglobin

B. melanin

C. keratin

D. collagen


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

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


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




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