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Activity 3.1.3 Review

Total questions: 16

Worksheet time: 8mins

Name
Class
Date
1.

All of the following groups of people would be considered susceptible hosts to most viruses except ____.

a)

the elderly

b)

children

c)

adults in their 20's-30's

d)

pregnant women

2.

In the chain of infection, the location that contains the agent of disease is known as the ____.

a)

port of entry

b)

port of exit

c)

reservoir

d)

mode of transmission

3.

If a bacterial infection passes through an open cut on a patient's hand, this would be described as the ____.

a)

port of exit

b)

port of entry

c)

reservoir

d)

agent of disease

4.

This type of transmission requires close contact with an infected person or their bodily fluids.

a)

Indirect

b)

Direct

5.

A patient eats some undercooked beef that contains E. coli. The portal of exit and entry is the gastrointestinal tract and anyone can be a susceptible host. What is the reservior?

a)

Patient

b)

Beef

c)

Fork

d)

Plate

6.

A patient eats some undercooked beef that contains E. coli. The portal of exit and entry is the gastrointestinal tract and anyone can be a susceptible host. Which mode of transmission is this?

a)

Direct

b)

Indirect

7.

A new virus is found to have an infectious dose of 7,000,000 viruses. Is this virus considered dangerous?

a)

No

b)

Yes

8.

All of the following are ways to break the chain of infection with a respiratory virus except ____.

a)

Staying home when you are sick

b)

Wearing a mask

c)

Social distancing

d)

Sharing a drink with an infected person

9.

This is the type of immunity people get from their mothers in the womb.

a)

Acquired, Passive

b)

Innate

c)

Acquire, Active

10.

All of the following are part of our innate immunity/defense except _____.

a)

tears

b)

cilia

c)

digestive enzymes

d)

fingernails

11.

Which type of cells of our immune system go to the site of infection?

a)

T-cells

b)

B-cells

c)

antigens

d)

antibodies

12.

Our bodies respond to certain pathogens by stimulating ____ to produce antibodies.

a)

antigens

b)

B-cells

c)

T-cells

d)

Phagocytes

13.

Receiving a vaccine is an example of which type of immunity?

a)

Active

b)

Passive

c)

Innate

d)

Herd

14.

If R0R_0  is greater than 1,

a)

this pathogen is not at all dangerous.

b)

this pathogen will not leave the reservior.

c)

this pathogen is very contagious.

d)

this pathogen has to be a bacteria.

15.

What is the R0R_0  if there are 600 cases and 35 new ones?

a)

0.06

b)

17.14

16.

Herd immunity is when ____% of the population is immune to the agent in question.

a)

65

b)

75

c)

85

d)

100