NSG 122 EXAM FULL QUESTIONS AND
CORRECT ANSWERS 2026 TESTED
QUESTIONS ALREADY PASSED
⩥ 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
-Pain
-Loss of function
CORRECT ANSWERS 2026 TESTED
QUESTIONS ALREADY PASSED
⩥ 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
-Pain
-Loss of function
