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Pathogens and body defences

Total questions: 12

Worksheet time: 7mins

Name
Class
Date
1.

A microbe that can cause harm is known as a

a)

Pathogen

b)

Pathogon

c)

Virus

d)

Bacteria

2.

Which pathogen is non-living?

a)

Virus

b)

Bacteria

c)

Fungi

d)

Parasite/Protist

e)

They are all alive

3.
Cause of common cold and flu.
a)
Viruses
b)
Bacteria
c)
Reaction by the body to substances
4.

Which type of pathogen is responsible for causing the flu, chicken pox, and yellow fever?

a)

viruses

b)

parasites

c)

fungi

d)

bacteria

5.
An infectious disease:
a)
can be spread from person to person.
b)
can not be spread from person to person.
6.
Which is not an infectious disease?
a)
Malaria
b)
diabetes
c)
food poisoning
d)
measles
7.
One way to prevent the spreading of disease is:
a)
to cough without covering your mouth.
b)
to wash your hands often.
c)
to rub your eyes and nose when sick.
8.
Cells that ingest pathogens are
a)
plasma cells
b)
phagocytic cells
c)
helper T cells
d)
antibodies
9.
Which one is a way the body defends against a pathogen?
a)
Fever
b)
Stomach Acid digesting
c)
White Blood Cells fighing
d)
All of these are correct
10.

What is the body's first line of defence against infection?

a)

Physical barriers

b)

White blood cells

c)

Blood plasma

d)

Red blood cells

11.

Which of the following are examples of innate (non-specific) immunity?

a)

Skin forms a physical and antiseptic barrier to pathogens

b)

Leukocytes detect the antigens of the E.coli bacterium and produce antibodies

c)

Macrophages engulf bacterial cells at the site of infection

d)

The body produces large numbers of memory cells with specific antibodies

12.

What name is given to the cells lining the trachea (windpipe) that work together to catch and sweep away pathogens trapped in mucus?

a)

Salivary glands & goblet cells

b)

Pancreatic cells & goblet cells

c)

Cilliated epithelial cells & muscle cells

d)

Cilliated epithelial cells & goblet cells