Chain Of Infection

Question 1

Six components in the infections disease process

Answer 1

1. Pathogen
2. Reservoir
3. Portal of exit
4. Made of transmission
5. Portal of entry
6. Susceptibility host

Question 2

source of pathogen; any site where the pathogen can multiply or merely survive until it is transferred to a host

Answer 2

Reservoir

Question 3

may be living hosts or inanimate objects or materials

Answer 3

Reservoir

Question 4

a way for the pathogen to escape from the reservoir

Answer 4

Portal of Exit

Question 5

a way for the pathogen to travel from one person to another

Answer 5

Mode of Transmission

Question 6

INFECTIOUS AGENT
The Harmful Germ

Answer 6

a. Bacteria
b. Viruses
c. Fungi
d. Parasites
e. Arthropods
f. Infestations

Question 7

Disease producing characteristics

Answer 7

• virulence
• Invasiveness
• pathogenicity

Question 8

The ability to grow and multiply

Answer 8

Virulence

Question 9

The ability to enter tissues

Answer 9

Invasiveness

Question 10

The ability to cause disease

Answer 10

Pathogenicity

Question 11

Where sever grow, and increase in numbers

Answer 11

Reservoir “HIDING PLACES”

Question 12

Reservoir “HIDING PLACES”

Answer 12

• A person
• An animal
• Environment/Fomite
• Blood
• Skin
• Digestive tract
• Respiratory tract
• Urinary tract

Question 13

3 MODES OF TRANSMISSION

Answer 13

Direct, Indirect, Droplet

Question 14

Physical contact between source and victim

Answer 14

Direct

Question 15

Victim contacts contaminated inanimate objects

Answer 15

Indirect

Question 16

Brief passage of infectious agent

Answer 16

Droplet

Question 17

8 possible SUSCEPTIBLE HOST

Answer 17

• Age: Very young or Older
• Stress
• Fatigue
• Poor nutrition
• Chronis Illness
• Not properly vaccinated
• Open cuts; skin breakdown
• Immune suppressive medications

Question 18

To prevent the infections from occurring, measures must be taken to break the chain of infection at some point (link) in the chain. Some of the broad goals are to:

Answer 18

a) Eliminate or contain reservoirs of pathogens or curtail the persistence of pathogen at the source
b) Prevent contact with infectious substances from exit pathways
c) Eliminate means of transmission
d) Block exposure to entry pathways
e) Reduce or eliminate the susceptibility of potential hosts

Question 19

Some of specific methods of breaking the chain of infection are:

Answer 19

a) Practicing effective hand hygiene procedures
b) Maintaining good nutrition and adequate rest
c) Obtaining immunizations against common pathogens
d) Practicing insect and rodent control measures
e) Practicing proper patient isolation procedures
f) Ensuring proper decontaminati
g) Disposing sharps and infectious wastes properly
h) Using of Personal Protective Equipment
i) Using needle safety devices during blood collection