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Understanding the Chain of Infection

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is the first link in the chain of infection?

a)

Portal of entry

b)

Infectious agent

c)

Reservoir

d)

Mode of transmission

2.

Which of the following is considered a reservoir in the chain of infection?

a)

Hand sanitizer

b)

Human body

c)

Surgical mask

d)

Antibiotics

3.

Identify the term that describes the way an infectious agent leaves the reservoir.

a)

Portal of entry

b)

Mode of transmission

c)

Portal of exit

d)

Susceptible host

4.

Which of the following is a mode of transmission in the chain of infection?

a)

Direct contact

b)

Immune response

c)

Vaccination

d)

Antibiotic resistance

5.

What is the term for the way an infectious agent enters a new host?

a)

Portal of entry

b)

Reservoir

c)

Mode of transmission

d)

Portal of exit

6.

Which of the following is an example of a susceptible host?

a)

A vaccinated individual

b)

A person with a strong immune system

c)

A newborn baby

d)

A person taking antibiotics

7.

What is the role of handwashing in breaking the chain of infection?

a)

It acts as a reservoir

b)

It strengthens the immune system

c)

It removes infectious agents

d)

It serves as a portal of entry

8.

Which of the following is NOT a link in the chain of infection?

a)

Infectious agent

b)

Reservoir

c)

Immune response

d)

Susceptible host

9.

What is the purpose of vaccination in the context of the chain of infection?

a)

To act as a reservoir

b)

To eliminate the portal of exit

c)

To reduce susceptibility of the host

d)

To increase the mode of transmission

10.

Which of the following can be considered a portal of exit for an infectious agent?

a)

Skin

b)

Blood

c)

Antibiotics

d)

Vaccines