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Body Defence and Actions of Antibodies

Total questions: 24

Worksheet time: 17mins

Name
Class
Date
1.

What is the role of nasal mucus?

a)

collect dead cells

b)

lubricate the nasal passage

c)

make phlegm

d)

trap particles

2.

What chemical is released when a foreign body penetrates the skin?

a)

adrenaline

b)

histamine

c)

seratonin

d)

teatree

3.

Proteins that have a specific fit to a specific antigen are called

a)

allergens

b)

antibodies

c)

antihistamines

d)

none of these

4.

B lymphocytes produce

a)

allergens

b)

antigens

c)

antibodies

d)

all of these

5.

Which cells actually kill invading bacteria and viruses?

a)

Antigens

b)

B cells

c)

T cells

d)

thrombocytes

6.

What do phagocytes do?

a)

make antibodies

b)

act as memory cells

c)

kill pathogens indiscriminately

d)

target specific pathogens to kill

7.

Which lymphocytes are stimulated by vaccinations?

a)

B cells

b)

T cells

c)

AAA cells

d)

V cells

8.

What is a pathogen?

a)

A germ that causes disease

b)

A disease

c)

A microbe that causes disease

d)

Something that can make you feel very ill

9.

What is the name given to the substances in your tears that can destroy pathogens?

a)

lysozymes

b)

enzymes

c)

tears

10.

What is the name given to the cells that stay in the body and form part of your immunity to a pathogen?

a)

Lymphocytes

b)

Memory cells

c)

White blood cells

d)

Antibodies

11.

How many lines of defence in our body?

a)

1

b)

2

c)

3

d)

4

12.

Which of the following lines are non-specific defense?

a)

First line

b)

Second line

c)

Third line

13.

Which of the following is involved in the second line of defence?

a)

White blood cell

b)

Skin

c)

Tears

d)

Hydrochloric acid in stomach

14.
Which of the following is the body’s first line of defense against disease?
a)
vaccines
b)
white blood cells
c)
antibodies
d)
skin
15.

What is antigen?

a)

A foreign substances that comes from outsides the body and induces the production of antibodies

b)

A foreign substances that comes from inside the body and induces the production of antibodies

c)

A foreign substances that comes from outsides the body and prevent the production of antibodies

16.

...... and .....produced by the skin contains chemicals that can kill microorganism

a)

Sweet

b)

Sweat

c)

Sebum

d)

Serum

17.

Mucuos membrane is the membrane that produced mucous along the

a)

Reproductive system

b)

Digestive system

c)

Respiratory system

d)

Lymphatic system

18.

Pathogen will enter the skin if there is a....on the skin

a)

Wound

b)

Injured

c)

Hole

d)

Food

19.

Diagram shows a process of

a)

Erytrocytisis

b)

Phagocytosis

c)

Parolysis

d)

Phagonisis

20.

What happen in the diagram?

a)

Antibody stick up all antigens into a lumps

b)

Antigen stick among themselves to build an large lump

c)

Antibody release toxin to kill antigens

d)

Antigen absorbs nutrien from antibody

21.

Ability of our body to fight phatogen.

This statement refers to

a)

Immunisation

b)

Immunity

c)

Immune system

d)

Immusegregation

22.

Pathogens, toxin moleculs and blood cells from other blood groups are known as ....

a)

Antiserum

b)

Antiseptic

c)

Antigen

d)

Antibody

23.

A protein produced by white blood cells into blood stream to fight disease.

This statement refers to ...

a)

Antigen

b)

Antiaging

c)

Antiserum

d)

Antibody

24.

During phagocytosis, white blood cell will release ... To destroy phatogen cells.

a)

vaccine

b)

enzyme

c)

mucous

d)

wax