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Worksheets

Immune System

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

Getting these when you're young helps your immune system fight off diseases ....

a)

a. stickers

b)

c. shots (immunizations)

c)

b. bandages

d)

d. cough drops

2.

Leukocytes are found in lots of places, including an organ in your belly that filters blood and help fight infections known as the ....

a)

a. heart

b)

c. kidneys

c)

b. spleen

d)

d. brain

3.

The four main types of germs are ....

a)

a. viruses, bacteria, parasites, and fungi

b)

b. viruses, parasites, fungi, and phagocytes

c)

c. parasites, bacteria, lymphocytes, and fungi

d)

d. small, medium, large, and extra large

4.

To be "immune" means what?

a)

a. that you are infected

b)

c. that you are more likely to get sick

c)

b. that you are bald

d)

d. that you are protected

5.

Lymph nodes are found in the ....

a)

a. neck

b)

c. groin

c)

b. armpits

d)

d. all of the above

6.

When someone's immune system overreacts to something harmless it's called ....

a)

a. overreactus maximus

b)

c. a sneeze

c)

b. an allergy

d)

d. the measles

7.

Which of the following will not help your immune system?

a)

a. playing sports video games

b)

c. eating healthy food

c)

b. exercising

d)

d. regularly washing your hands

8.

The purpose of the immune system is to:

a)

Help germs invade your body

b)

Fight off sickness

c)

Make your nose run

d)

Give you diarrhea

9.

These are produced by B cells and designed to mark antigens to be destroyed.

a)

Antigens

b)

Active Immunity

c)

Antibodies

d)

Antibiotics

10.

Which is an example of passive immunity?

a)

You have been infected

b)

You have been vaccinated

c)

You made antibodies

d)

You got your mother's antibodies

11.

Which of the following is an example of active immunity?

a)

You get a vaccination

b)

You create antibodies

c)

You get infected

d)

All of these are correct

12.

Your body cannot make antibodies for pathogens that you have never been in contact with.

a)

True, because your body needs to encounter the pathogen at least once in order to create the antibodies.

b)

False, because you can make antibodies via immunizations given by a doctor.

13.

Which of the following cells are primarily responsible for producing antibodies in the immune system?

a)

T cells

b)

B cells

c)

Macrophages

d)

Neutrophils

14.

What is the main function of the thymus in the immune system?

a)

To produce red blood cells

b)

To filter pathogens from the blood

c)

To mature T cells

d)

To store antibodies

15.

Which of the following is a real-world application of understanding the immune system?

a)

Developing vaccines

b)

Building bridges

c)

Designing software

d)

Cooking recipes