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G8C: Blood Structure and Function

Total questions: 27

Worksheet time: 27mins

Name
Class
Date
1.

Blood is a what type of fluid tissue?

a)

Connective

b)

Epithelial

c)

Muscle

d)

Nervous

2.

Which of the following describes the taste of blood?

a)

Sweet and sour

b)

Metallic and salty

c)

Bitter and spicy

3.

What is the pH range of blood?

a)

7.35-7.45

b)

6.0-6.5

c)

8.0-8.5

d)

7.0-7.1

4.

What is the temperature of blood in degrees Celsius?

a)

37 degrees.

b)

32 degrees.

c)

40 degrees.

d)

25 degrees.

5.

Venous blood is darker than arterial blood because:

a)

it contains more oxygen

b)

it contains less oxygen

c)

it has a higher pressure

d)

it has a lower pressure

6.

What is one of the functions of blood?

a)

Transports substances throughout the body

b)

Produces hormones

c)

Filters waste

d)

Stores energy

7.

Blood distributes ______.

a)

body heat

b)

oxygen

c)

nutrients

d)

hormones

8.

What are the living elements of blood?

a)

White Blood Cells and Red Blood Cells

b)

Red Blood Cells only

c)

White Blood Cells, Red Blood Cells and Platelets

d)

Just Platelets

9.

Which component of blood is non-living?

a)

Plasma

b)

Red blood cells

c)

White blood cells

d)

Platelets

10.

Which of the following is a liquid component of blood?

a)

Red blood cells

b)

White blood cells

c)

Plasma

d)

Platelets

11.

What does the term "formed elements" refer to?

a)

Red blood cells, white blood cells, and platelets

b)

Plasma, serum, and lymph

c)

Hemoglobin, plasma, and serum

d)

Lymphocytes, monocytes, and eosinophils

12.

What is the ratio of red blood cells to total blood volume called?

a)

Hematocrit

b)

Hemoglobin

c)

Plasma

d)

Serum

13.

What percentage of blood volume does plasma make up?

a)

55%

b)

30%

c)

70%

d)

45%

14.

What percentage of blood do formed elements make up?

a)

45%

b)

30%

c)

60%

d)

75%

15.

What role do white blood cells play?

a)

Fight infections

b)

Transport oxygen

c)

Clot blood

d)

Store energy

16.

What are platelets responsible for?

a)

Blood clotting

b)

Oxygen transport

c)

Immune response

d)

Hormone regulation

17.

What percentage of blood volume do red blood cells make up?

a)

50%

b)

44%

c)

30%

d)

60%

18.

What is the primary function of red blood cells?

a)

To fight infections

b)

To carry oxygen

c)

To produce hormones

d)

To digest food

19.

Red blood cells are shaped like a ________ to increase surface area.

a)

biconcave disk

b)

sphere

c)

cube

d)

cylinder

20.

Do red blood cells have a nucleus?

a)

Yes

b)

No

21.

A low number or reduced function of red blood cells is known as ________.

a)

anemia

b)

leukemia

c)

thrombocytopenia

d)

polycythemia

22.

What is hemoglobin?

a)

The part of the WBC that carries oxygen.

b)

The part of the RBC that carries oxygen.

c)

The part of a platelet that causes a clot.

d)

The part of blood that aids in coagulation.

23.

White blood cells make up less than ___% of total blood volume.

a)

1

b)

2

c)

3

d)

4

24.

What is leukocytosis?

a)

Decrease in red blood cells

b)

Increase in white blood cell production to fight infection

c)

Increase in platelet count

d)

Decrease in white blood cell production

25.

Which type of cells can leave the circulatory system?

a)

RBC

b)

Platelets

c)

Hemoglobin

d)

WBC

26.

What is pus?

a)

A) A collection of dead leukocytes at the site of an infection.

b)

B) A type of skin rash.

c)

C) A form of bacteria.

d)

D) A type of virus.

27.

Label the parts of the hematocrit.