1. infectious agent Bacteria, viruses, fungi (makes you sick)
2. Reservoir natural habitat of the organism (stagnant water)
3. Portal of exit point of escape for the organism (how germs get
in)
4. Means of transmission direct contact, indirect contact, airborne route
(kissing,
sneezing on table and touching it)
5. Portal of entry point at which organisms enter a new host
(mucus mem-branes= holes on your body e.g.
nose, mouth, vagina etc)
6. susceptible host must overcome resistance mounted by host's
defenses (immune compromised= babies, elderly,
cancer patients, etc)
7. Bacteria most significant and most prevalent in hospital
settings (most illnesses are caused by
)
8. Virus smallest of all microorganisms (viral; antibiotics do
not treat viruses)
9. Fungi plant-like organisms present in air, soil, and water
10. Parasites live on or in host and rely on it for nourishment
11. Aerobic need oxygen to live
12. Anaerobic can live without oxygen
13. endemic occurs with predictability in one specific region or
popu-lation (only attects certain areas like state or
country)
14. Pandemic global outbreak of new or not previously identified
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, ECPI NUR 164 CHAPTER 25 EXAM QUESTIONS AND CORRECT ANSWERS
virus (global e.g. covid)
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