NSG 122 Exam 2 Review Questions with
Verified Correct Answers
Infectious agent
bacteria, viruses, fungi
Portal of exit
a way for the infectious agent to escape from the reservoir in which it has been growing
Reservoirs of infection
Natural habitat of the organism
Means of transmission
direct contact, indirect contact, airborne route
Infection cycle Steps
1. Infectious agent
2. Reservoir
3. Portal of exit
4. Means of transmission
5. Portal of entry
6. Susceptible host
Portal of entry
Part of the body where organisms enter
Susceptible host
a person likely to get an infection or disease
,Transmission barriers
help prevent the transporting of pathogens from the infected person to the general
environment.
Common Portals of Exit
-Respiratory
-Gastrointestinal
-Genitourinary tracts
-Breaks in skin
-Blood and tissue
Most common infectious agent
bacteria, virus, fungi
bacteria
most significant and most prevalent in hospital settings
virus
smallest of all microorganisms; can be seen only by using an electron microscope
Fungi
Plant-like organisms present in air, soil, and water
Stages of Infection
Incubation period
Prodromal stage
Full stage illness
Convalescent period
, Incubation period
organism growing and multiplying
Prodromal stage
person is most infectious
Full stage illness
Presence of specific signs and symptoms of disease
Convalescent period
Recovery from the infection
Hand hygiene
is the priority intervention for decreasing the spread of infection.
Prodromal Stage
During which stage of infection is the patient most contagious
Body's Defense Against Infection
-Normal flora in the body
-Inflammatory response
-Immune response
Cardinal Sign of Acute Infection
-Redness
-Heat
-Swelling
Verified Correct Answers
Infectious agent
bacteria, viruses, fungi
Portal of exit
a way for the infectious agent to escape from the reservoir in which it has been growing
Reservoirs of infection
Natural habitat of the organism
Means of transmission
direct contact, indirect contact, airborne route
Infection cycle Steps
1. Infectious agent
2. Reservoir
3. Portal of exit
4. Means of transmission
5. Portal of entry
6. Susceptible host
Portal of entry
Part of the body where organisms enter
Susceptible host
a person likely to get an infection or disease
,Transmission barriers
help prevent the transporting of pathogens from the infected person to the general
environment.
Common Portals of Exit
-Respiratory
-Gastrointestinal
-Genitourinary tracts
-Breaks in skin
-Blood and tissue
Most common infectious agent
bacteria, virus, fungi
bacteria
most significant and most prevalent in hospital settings
virus
smallest of all microorganisms; can be seen only by using an electron microscope
Fungi
Plant-like organisms present in air, soil, and water
Stages of Infection
Incubation period
Prodromal stage
Full stage illness
Convalescent period
, Incubation period
organism growing and multiplying
Prodromal stage
person is most infectious
Full stage illness
Presence of specific signs and symptoms of disease
Convalescent period
Recovery from the infection
Hand hygiene
is the priority intervention for decreasing the spread of infection.
Prodromal Stage
During which stage of infection is the patient most contagious
Body's Defense Against Infection
-Normal flora in the body
-Inflammatory response
-Immune response
Cardinal Sign of Acute Infection
-Redness
-Heat
-Swelling
