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Blood and Blood Cells

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

__________is/are the fluid matrix found in blood.

a)

White blood cells

b)

Red blood cells

c)

Formed elements

d)

Plasma

2.

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

a)

<1%

b)

45%

c)

55%

d)

0%

3.

Plasma makes up ~______% of blood.

a)

<1%

b)

45%

c)

55%

d)

0%

4.

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)

5.

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

6.

Another name for platelet is

a)

erythrocyte

b)

megakaryocyte

c)

leukocyte

d)

thrombocyte

7.

What are the red arrows pointing to?

a)

plasma

b)

bone marrow

c)

hemoglobin

d)

albumin

8.

Erythrocytes are ___________.

a)

multinucleate

b)

uninucleate

c)

anucleuate

9.

Which of the following are cell fragments not whole cells?

a)

erythrocyte (RBC)

b)

leukocyte (WBC)

c)

thrombocyte (platelet)

10.

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

a)

iron

b)

carbon dioxide

c)

oxygen

d)

hemoglobin

11.

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

a)

copper

b)

magnesium

c)

potassium

d)

iron

12.

What is blood made of?

a)

oxygen and plasma

b)

red blood cells and white blood cells

c)

plasma, red blood cells, white blood cells, and platelets.

d)

plasma and platelets

13.

What is the primary function of red blood cells in the human body?

a)

Transporting oxygen from the lungs to the rest of the body

b)

Fighting infections by producing antibodies

c)

Clotting blood to prevent excessive bleeding

d)

Regulating body temperature

14.

Which component of blood is responsible for clotting?

a)

Red blood cells

b)

White blood cells

c)

Platelets

d)

Plasma

15.

What is the average lifespan of a red blood cell in the human body?

a)

30 days

b)

60 days

c)

90 days

d)

120 days