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Immune System Practice

Total questions: 19

Worksheet time: 10mins

Name
Class
Date
1.

What is the main role of white blood cells in the immune system?

a)

To carry oxygen to tissues.

b)

To produce digestive acids.

c)

To regulate blood sugar levels.

d)

To attack and destroy pathogens.

2.

Which of the immune system’s organs is primarily responsible for filtering out old red blood cells?

a)

Thymus

b)

Spleen

c)

Lymph nodes

d)

Tonsils

3.

What happens in bone marrow as part of the immune system?

a)

It filters toxins out of the blood.

b)

It produces stem cells that can become red or white blood cells.

c)

It stores fat cells for energy.

d)

It produces digestive enzymes.

4.

When a pathogen enters the body through a cut, what is the immediate immune response?

a)

Platelets form a clot to seal the cut and prevent further infection.

b)

The lungs increase oxygen supply to the blood.

c)

The digestive system isolates the pathogen to be expelled.

d)

The nervous system sends signals to increase body temperature.

5.

Why might a doctor recommend the removal of someone’s tonsils?

a)

Because they started producing too much insulin.

b)

Because they began absorbing too many nutrients.

c)

Because they’re getting infected frequently and causing sore throats.

d)

Because they’re obstructing the passage of air while breathing.

6.

Which of the following symptoms are NOT an indication the body is fighting off pathogens?

a)

Fever

b)

Increased appetite

c)

Vomiting

d)

Runny nose

7.

Which of the following organs belong to the immune system? Select ALL that apply.

a)

Tonsils

b)

Lymph nodes

c)

Thymus

d)

Pancreas

e)

Spleen

8.

Which of the following tissues are a part of the immune system? Select ALL that apply.

a)

White blood cells

b)

Nervous tissue

c)

Muscle tissue

d)

Lymph tissue

e)

Bone marrow

9.

Which explanation best supports your above choice about the role of lymph nodes?

a)

Lymph nodes produce lymph fluid that circulates throughout the body, delivering nutrients.

b)

Lymph nodes are responsible for producing hormones that regulate the immune response.

c)

Lymph nodes filter lymph fluid and contain immune cells that destroy pathogens.

d)

Lymph nodes control the level of oxygen in the blood and remove carbon dioxide.

10.

What is the main role of white blood cells in the immune system?

a)

To carry oxygen to tissues.

b)

To produce digestive acids.

c)

To regulate blood sugar levels.

d)

To attack and destroy pathogens.

11.

Which of the immune system’s organs is primarily responsible for filtering out old red blood cells?

a)

Thymus

b)

Spleen

c)

Lymph nodes

d)

Tonsils

12.

What happens in bone marrow as part of the immune system?

a)

It filters toxins out of the blood.

b)

It produces stem cells that can become red or white blood cells.

c)

It stores fat cells for energy.

d)

It produces digestive enzymes.

13.

When a pathogen enters the body through a cut, what is the immediate immune response?

a)

Platelets form a clot to seal the cut and prevent further infection.

b)

The lungs increase oxygen supply to the blood.

c)

The digestive system isolates the pathogen to be expelled.

d)

The nervous system sends signals to increase body temperature.

14.

Why might a doctor recommend the removal of someone’s tonsils?

a)

Because they started producing too much insulin.

b)

Because they began absorbing too many nutrients.

c)

Because they’re getting infected frequently and causing sore throats.

d)

Because they’re obstructing the passage of air while breathing.

15.

Which of the following symptoms are NOT an indication the body is fighting off pathogens?

a)

Fever

b)

Increased appetite

c)

Vomiting

d)

Runny nose

16.

Which of the following organs belong to the immune system? Select ALL that apply.

a)

Tonsils

b)

Lymph nodes

c)

Spleen

d)

Thymus

e)

Pancreas

17.

Which of the following tissues are a part of the immune system? Select ALL that apply.

a)

Nervous tissue

b)

Bone marrow

c)

Muscle tissue

d)

White blood cells

e)

Lymph tissue

18.

Why are T-cells important when you get sick again with a germ you had before?

a)

They help you digest food.

b)

They remember specific germs and attack them.

c)

They make your muscles stronger.

d)

They help you sleep better.

19.

Which explanation best supports your above choice about the role of lymph nodes?

a)

Lymph nodes produce lymph fluid that circulates throughout the body, delivering nutrients.

b)

Lymph nodes are responsible for producing hormones that regulate the immune response.

c)

Lymph nodes filter lymph fluid and contain immune cells that destroy pathogens.

d)

Lymph nodes control the level of oxygen in the blood and remove carbon dioxide.