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Immune System Quiz

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is the primary function of complement proteins?

a)

To secrete hormones

b)

To lyse pathogenic bacteria

c)

To produce antibodies

d)

To transport oxygen

2.

What type of immune defenses are not specialized to detect particular pathogens?

a)

Adaptive immune defenses

b)

Innate immune defenses

c)

External immune defenses

d)

Internal immune defenses

3.

What is the purpose of generating a large diversity of antibodies?

a)

To confuse the immune system

b)

To recognize and eliminate any possible substance

c)

To slow down the immune response

d)

To increase the size of lymphocytes

4.

Which of the following is NOT a function of acquired immunity?

a)

Discriminate between self and non-self antigens

b)

Provide memory of antigens

c)

Generate a large diversity of antibodies

d)

Destroy all antigens indiscriminately

5.

What does the cell-mediated response target?

a)

Antigens before they infect body cells

b)

Body cells already infected with pathogens

c)

Free-floating viruses

d)

Bacteria in the bloodstream

6.

Which response is responsible for dealing with pathogens that have already infected body cells?

a)

Humoral Response

b)

Cell-mediated Response

c)

Innate Response

d)

Passive Response

7.

What is the function of lymphocytes in acquired immunity?

a)

To produce energy

b)

To recognize antigens

c)

To break down fats

d)

To carry oxygen

8.

What role do antibodies play in activating macrophages?

a)

They deactivate macrophages

b)

They activate macrophages to destroy antigens

c)

They transform macrophages into antigens

d)

They ignore macrophages

9.

What is the initial trigger for B-cell activation?

a)

Antibody

b)

Antigen

c)

Plasma cell

d)

Memory B-cell

10.

What is the function of antibodies in the immune system?

a)

Activate viruses

b)

Neutralize antigens

c)

Transform into B-cells

d)

Produce lymphoblasts