Chain of Infection Flashcards

1
Q

How many steps are in the Chain of Infection?

A

6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the first step?

A

Infectious Agent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Infectious agent

A

Disease causing agent; pathogen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Example of an infectious agent

A

Virus, Ebol, bacteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

2nd step

A

Reservoir

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Reservoir

A

Where the infectious agent lives

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Examples of reservoirs

A

Human, Animal, Surfaces/Objects (fomites), etc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

3rd step

A

Portal of Exit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Portal of Exit

A

How the infectious agent leaves the body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Examples of portal of exit

A

sneezing, vomiting, blood, urine, mucous discharge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

4th step

A

Mode of Transmission

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Mode of Transmission

A

The way the infectious agent can be transmitted

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Describe the two types of contacts in Mode of Transmission

A

Direct contact - Physical contact
Indirect contact - Surfaces and vectors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are vectors

A

Animals, insects, or parasites that carry an infectious agent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Examples of Mode of Transmission

A

Kissing, shaking hands, flies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

5th step

A

Portal of Entry

17
Q

Portal of Entry

A

The way the infectious agent enters your body

18
Q

Examples of Portal of Entry

A

Breaks in skin, digestive and respiratory tract

19
Q

6th step

A

Susceptible Host

20
Q

Susceptible Host

A

A person who is likely to get a disease or infection, usually their body defenses are weak

21
Q

Examples of Susceptible Hosts

A

Elderly, Newborns, immunocompromised

22
Q

Ways to break the chain of Infectious Agent

A

Early recognition of symptoms and diagnosis of infection

23
Q

Ways to break the chain of Reservoir

A

Standard precautions, Employee health, Disinfection/sterilization, Environmental sanitation

24
Q

Ways to break the chain of Portal of Exit

A

PPE, standard precautions, hand washing, control of secretions and excretions, trash and waste disposal

25
Ways to break the chain of Mode of transmission
Standard precautions, hand washing, air flow control, sterilization, food handling, transmission based precautions
26
Ways to break the chain of Portal of Entry
Standard Precautions, wound care, catheter care
27
Ways to break the chain of Susceptible Host
Immunizations, Recognition of high risk patients, treatments of underlying disease