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Body Defence

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

Which of these is not an external defence mechanism?

a)

blood

b)

ear wax

c)

sebum

d)

tears

2.

What is the role of nasal mucus?

a)

collect dead cells

b)

lubricate the nasal passage

c)

make phlegm

d)

trap particles

3.

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

a)

adrenaline

b)

histamine

c)

seratonin

d)

teatree

4.

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

a)

allergens

b)

antibodies

c)

antihistamines

d)

none of these

5.

What are made in the thymus, spleen, bone marrow and lymph nodes?

a)

erythrocytes

b)

histocytes

c)

lymphocytes

d)

platelets

6.

B lymphocytes produce

a)

allergens

b)

antigens

c)

antibodies

d)

all of these

7.

Which cells actually kill invading bacteria and viruses?

a)

Antigens

b)

B cells

c)

T cells

d)

thrombocytes

8.

What do phagocytes do?

a)

make antibodies

b)

act as memory cells

c)

kill pathogens indiscriminately

d)

target specific pathogens to kill

9.

Where do T lymphocytes usually live?

a)

thyroid

b)

thymus

c)

pancreas

d)

parathyroid

10.

Which lymphocytes are stimulated by vaccinations?

a)

B cells

b)

T cells

c)

AAA cells

d)

V cells

11.

What is the most important thing about colostrum

a)

its full of fat

b)

it replaces shivering

c)

its got antibodies

d)

its free

12.

What is an attenuated virus>

a)

a dead one

b)

a disabled one

c)

a manufactured one

d)

a natural one

13.

What is the most correct reason for an antibody response in the body?

a)

a foreign protein detected

b)

a virus in the blood

c)

an over-active immune system

d)

a compromised immune system