Solutions
Infection Right Ans - invasion of a susceptible host by pathogens or
microorganisms
Low risk of infection Right Ans - Viral meningitis and pneumonia
Communicable diease Right Ans - Transmitted directly from one person to
another
Symptomatic Right Ans - pathogens multiply and cause clinical signs and
symptoms are present
Asymptomatic Right Ans - No clinical signs or symptoms
Chain of Infection Right Ans - An infectious agent or pathogen
A reservoir or source for pathogen growth
A port of exit from the reservoir
A mode of transmission
A port of entry to a host
A susceptible host
Infectious Agent Right Ans - microorganisms include bacteria, viruses,
fungi and protozoa
Immunocompromised Right Ans - impaired immune system
Reservoir Right Ans - Place where microorganism survive, multiply and
await transfer to a susceptible host
Reservoir- Food Right Ans - microorganisms require nourishment
Reservoir- Oxygen Right Ans - Aerobic- bacteria require O2
Anaerobic- little to no O2. commonly found in Lungs. I.e C-Diff
Reservoir- Water Right Ans - Spore bacteria i.e C Diff
, Reservoir- Tempature Right Ans - ideal temp for most pathogens
68-109 F
bacteriostasis Right Ans - Cold temperature preventing growth of diease
Reservoir-pH Right Ans - Ph range 5.0-7.0
Reservoir- Light Right Ans - microorganisms strive in dark light
Port of Exit Right Ans - site to grow and multiply
Port of Exit examples Right Ans - Skin and Mucous membrane
Respiratory Tract
Urinary Tract
Gastrointestinal tract
Reproductive tract
Blood
Modes of transmission Right Ans - Many times Health care unable to do
anything to impact MOT.
Unwashed hands most common MOT in healthcare setting
Port of Entry Right Ans - From site to site
Port of Entry examples Right Ans - Needle pierces
depressed immune system
Susceptible Host Right Ans - compromised host
Age, nutritional staus, presence of chronic disease, trauma and smoking
Localized infection Right Ans - pain, tenderness and redness at the wound
site
PPE Right Ans - personal protective equipment
Systemic Right Ans - Entire body infection
HAI Right Ans - 722,000 care associated health care infections
Prolonged hospital stays