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Pathogens

Total questions: 35

Worksheet time: 1hrs 1mins

Name
Class
Date
1.

Ticks are an example of this way of transmitting (spreading) disease

a)

Air-borne

b)

Vector

c)

Touching a surface

d)

Contaminated food or water

2.

Infectious diseases are caused by _________ in the body.

a)

pathogens

b)

decomposers

3.

Which of the following is an example of direct contact with an infected person?

a)

sneezing

b)

shaking hands

4.

Which of the following is NOT responsible for causing infectious diseases?

a)

Miasma

b)

Bacteria

c)

Fungi

d)

Viruses

5.
Which best distinguishes an infectious disease from a noninfectious disease?
a)
Infectious diseases can be cured with antibiotics; noninfectious diseases cannot.
b)
Infectious diseases can be prevented with vaccines; noninfectious diseases cannot.
c)
Infectious diseases can be spread from one organism to another; noninfectious diseases cannot.
d)
Infectious diseases cannot be transmitted from one organism to another; noninfectious diseases can.
6.

The diagram below shows a cell in the human body engulfing a bacterial cell.

The cell labeled X is most likely a

a)

red blood cell

b)

white blood cell

c)

liver cell

d)

nerve cell

7.

Some human white blood cells help destroy pathogenic bacteria by

a)

causing mutations in the bacteria

b)

engulfing and digesting the bacteria

c)

producing toxins that compete with bacterial toxins

d)

inserting part of their DNA into the bacterial cells

8.

Which function is associated with phagocytes in the blood?

a)

initiating blood clots

b)

transporting dissolved nutrients

c)

producing hormones

d)

engulfing bacteria

9.
Antibiotics...
a)
Kill blood cells
b)
Help create blood cells
c)
Kill bacteria
d)
Help create bacteria
10.
a protein produced by a b cell of the immune system that destroys a pathogen and attack antigen
a)
B Cell
b)
T Cell
c)
Vaccination
d)
Antibody
11.
This helps to prevent viruses.
a)
Vaccines
b)
Antibiotics
c)
Non-infectious Diseases
12.
You cannot catch this from someone else (for example cancer)
a)
Non-infectious disease
b)
Infectious disease
c)
Platelets 
13.
What is the name of the body's defence system against diseases?
a)
The immune system
b)
The control system
c)
The vascular system
d)
The endocrine system
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.
How do breathing passages help keep pathogens out of the body?
a)
Chemicals kill some pathogens.
b)
Mucus and cilia trap pathogens.
c)
Phagocytes in the breathing passages destroy pathogens.
d)
They produce antibodies that kill pathogens.
16.
What type of microbe is used in a vaccine?
a)
it doesn't really matter
b)
a damaged one
c)
a weakened or inactivated one
d)
a normal one
17.
Antibiotics kill viruses
a)
True
b)
False
18.
What do viruses need to reproduce?
a)
they need genetic material
b)
They need a host cell
c)
They need  bacteria
d)
They need insulin
19.
How could you describe the size of a virus?
a)
Smaller than bacteria
b)
Larger than a parasite
c)
About the size of a dime
d)
Smaller than a proton
20.
Athlete's Foot is caused by
a)
helminths
b)
algae
c)
bacteria
d)
fungus
21.
The common cold is caused by  a  ______________
a)
bacteria
b)
virus
c)
fungus
d)
protoza
22.

Strep throat and E-coli are
_________  infections.
a)
viral
b)
fungal
c)
bacterial
d)
rare
23.
The chicken pox is spread via contact from person to person. In order to prevent getting the chicken pox, you can get a vaccination. Is chicken pox caused by a virus or a bacterium?
a)
Bacterium
b)
Virus
24.

How do you treat a viral disease?

a)

Antibiotics

b)

You're stuck with it for life

c)

Rest, Balanced Diet, Fluids

25.

This type of parasitic roundworm is contracted after consuming undercooked pork products.

a)

Trichinosis

b)

Planarian

c)

Schistosomiasis

d)

Tapeworm

26.

The ability to destroy or resist infection is:

a)

contagious infection

b)

community resistance

c)

immunity

d)

general infection

27.

How can the HIV virus spread?

a)

holding hands

b)

sharing food with an infected person

c)

by sharing needles with intravenous drug users

d)

sharing bathrooms

28.

What causes Acquired Immune Deficiency Syndrome?

a)

the HBV virus

b)

a filterable bacteria

c)

a filterable virus

d)

the HIV virus

29.

What grows, feeds, and shelters on or in another organism?

a)

cocci

b)

saphrocytes

c)

spores

d)

parasites

30.

What process completely destroys all microbial life including bacterial spores?

a)

sterilization

b)

sanitation

c)

decontamination

d)

disinfection

31.

Compounds that block the growth and reproduction of bacteria.

a)

AIDS

b)

HIV

c)

Antibiotics

32.

When the body launches an immune response against its own cells

a)

Koch's Postulates

b)

Immunity

c)

Vaccine

d)

Autoimmune disease

e)

AIDS

33.
Which of the following is considered an organ of the immune system? 
a)
thyroid
b)
bone marrow
c)
liver
d)
gallbladder
34.
What is one of the ways that antibiotics work? 
a)
They can stop bacteria from reproducing
b)
They can stop viruses from reproducing
c)
They stop toxins from poisoning the tissues of hosts
d)
They engulf the pathogens
35.

How are pathogens spread?

a)

Infected People

b)

Infected Animals

c)

Contaminated Objects

d)

Contaminated Food, Soil, or Water

e)

All of the Above

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