NR 224 Final Exam 2026 Exam
Questions with 100% Correct
Answers | Latest Update
Who is at increased risk of infection? - ANSWER ✔✔-elderly
-infants
-immobility
-autoimmune
-malnourished
-immunocompromised
-transplant
-chemo
,-HIV
-steroids
Body's Natural Defenses - ANSWER ✔✔-skin
-mucus membranes
-saliva/tears/sweat
-inflammation
-GI/GU (flushing)
-immune system
-respiratory tract (cilia/cough)
What is the nurses role in infection control? - ANSWER ✔✔assess,
education, use proper precautions
Chain of Infection - ANSWER ✔✔1. Infectious Agent
2. Reservoir
3. Portal of Exit
4. Mode of Transmission
5.Portal of Entry
6. Susceptible Host
,*goal is to break the chain
Infectious Agent - ANSWER ✔✔-bacteria, virus, protozoa, fungus
-resident flora: bacteria that is already present
-transient flora: attaches to the skin -> causes infection
-virulence: strength
Reservoir - ANSWER ✔✔-H2O, body fluids, animals, insects, food,
people
-needs proper environment (temp, pH, light, O2)
Portal of Exit - ANSWER ✔✔-body fluids, respiratory tract, GI, GU,
mucus membranes, skin, blood, transplacental
Mode of Transmission - ANSWER ✔✔-direct contact: fecal-oral,
shaking hands (contact precautions
-indirect contact: objects, needles (contact precautions)
-droplet: 3ft travel, bigger (droplet precautions)
-airborne: smaller, evaporated droplets (airborne precautions)
Tier 1 - ANSWER ✔✔standard precautions: hand-washing, gloves,
needle safety, proper disposal of biohazard
Tier 2 - ANSWER ✔✔contact: gown and gloves (MRSA, VRE)
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3
, modified contact: soap, water, bleach based products (CDIFF)
droplet: mask, gloves, gown (flu, pneumonia)
airborne: negative air flow, hepa filter, antiroom, N95 mask, gown, gloves
(TB, measles, varicella, meningitis)
Port of Entry - ANSWER ✔✔-preferably same as exit
Susceptible Host - ANSWER ✔✔-ability to get infection, vaccinations
make host lest susceptible
Surgical Asepsis - ANSWER ✔✔-hands above waist (even when
throwing away trash)
-eliminate all pathogens
-some dressing changes
-catheterizations
-surgical procedures
-not needed for NG tube insertions since the cavity is not sterile
-dont put things on bedside table!
Nursing responsibilities with skin - ANSWER ✔✔-assessment
-prevention of skin breakdown (reassess every-time you get pt.)
Questions with 100% Correct
Answers | Latest Update
Who is at increased risk of infection? - ANSWER ✔✔-elderly
-infants
-immobility
-autoimmune
-malnourished
-immunocompromised
-transplant
-chemo
,-HIV
-steroids
Body's Natural Defenses - ANSWER ✔✔-skin
-mucus membranes
-saliva/tears/sweat
-inflammation
-GI/GU (flushing)
-immune system
-respiratory tract (cilia/cough)
What is the nurses role in infection control? - ANSWER ✔✔assess,
education, use proper precautions
Chain of Infection - ANSWER ✔✔1. Infectious Agent
2. Reservoir
3. Portal of Exit
4. Mode of Transmission
5.Portal of Entry
6. Susceptible Host
,*goal is to break the chain
Infectious Agent - ANSWER ✔✔-bacteria, virus, protozoa, fungus
-resident flora: bacteria that is already present
-transient flora: attaches to the skin -> causes infection
-virulence: strength
Reservoir - ANSWER ✔✔-H2O, body fluids, animals, insects, food,
people
-needs proper environment (temp, pH, light, O2)
Portal of Exit - ANSWER ✔✔-body fluids, respiratory tract, GI, GU,
mucus membranes, skin, blood, transplacental
Mode of Transmission - ANSWER ✔✔-direct contact: fecal-oral,
shaking hands (contact precautions
-indirect contact: objects, needles (contact precautions)
-droplet: 3ft travel, bigger (droplet precautions)
-airborne: smaller, evaporated droplets (airborne precautions)
Tier 1 - ANSWER ✔✔standard precautions: hand-washing, gloves,
needle safety, proper disposal of biohazard
Tier 2 - ANSWER ✔✔contact: gown and gloves (MRSA, VRE)
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
, modified contact: soap, water, bleach based products (CDIFF)
droplet: mask, gloves, gown (flu, pneumonia)
airborne: negative air flow, hepa filter, antiroom, N95 mask, gown, gloves
(TB, measles, varicella, meningitis)
Port of Entry - ANSWER ✔✔-preferably same as exit
Susceptible Host - ANSWER ✔✔-ability to get infection, vaccinations
make host lest susceptible
Surgical Asepsis - ANSWER ✔✔-hands above waist (even when
throwing away trash)
-eliminate all pathogens
-some dressing changes
-catheterizations
-surgical procedures
-not needed for NG tube insertions since the cavity is not sterile
-dont put things on bedside table!
Nursing responsibilities with skin - ANSWER ✔✔-assessment
-prevention of skin breakdown (reassess every-time you get pt.)
