Herzing Fundamentals Exam 2
Questions and Correct/Verified
Answers 2025-2026 Edition.
What is infection? - Answer invasion or colonization of the body by pathogens
what is the goal of the infection cycle? - Answer to break the links of chain to end the cycle
What are the infection cycle steps? - Answer - infectious agent
- reservoir
- portal of exit
- means of transmission
- portal of entry
- susceptible host
what is infectious agent? - Answer - Bacteria: most common
- Virus: smallest
- Fungi: mold/yeast (in air, soil, water)
- Aerobic: require O2 to live and grow
- Anaerobic: live w/o O2
what is the reservoir? - Answer growth and multiplication of microorganisms in their natural
habitat
- people
- animals
- soil
- food, water, milk
- inanimate objects
what is the portal of exit? - Answer escape route/how organism escapes from reservoir
- respiratory, GI, GU, and breaks in skin
- blood and tissue
- aka secretions from humans
what is the means of transmission? - Answer how it transmits
, - equipment, contact, excretion an secretions
- direct or indirect, airborne or droplet
what is direct transmission? - Answer person to person
- touching or kissing
what is indirect transmission? - Answer Person to object
- with vector (living creature that transmits to human)
- fomite (inanimate object transmits - e.g. dirty towel)
What is droplet transmission? - Answer Rubella, Mumps, Diphtheria, flu, sepsis, meningitis,
pneumonia, strep, scarlet fever, pertussis
-greater than 5 cm
- wear surgical mask
- private room or pt with same illness
- door may be open
- wear PPE for contact
- transport pt only prn and wear mask
- keep visitors 3 feet from pt
what is airborne transmission? - Answer Measles, TB, Varicella ("MTV is on AIR")
- N95 mask
- less than 5 cm
- private room with NEGATIVE air pressure
- keep door closed and pt in room
- wear respirator when entering room unless pt is immune to disease
- transport pt out of room only prn and with a mask
what is contact transmission? - Answer MRSA, VRE or VRSA, borrelia burgdogen, E. Coli, HEP
B, TB, HIV, S. aureus, salmonella
- private room if available or with pt with same illness
- gloves and gown to enter
- soap and water h.h.
- remove PPE before leaving room
Questions and Correct/Verified
Answers 2025-2026 Edition.
What is infection? - Answer invasion or colonization of the body by pathogens
what is the goal of the infection cycle? - Answer to break the links of chain to end the cycle
What are the infection cycle steps? - Answer - infectious agent
- reservoir
- portal of exit
- means of transmission
- portal of entry
- susceptible host
what is infectious agent? - Answer - Bacteria: most common
- Virus: smallest
- Fungi: mold/yeast (in air, soil, water)
- Aerobic: require O2 to live and grow
- Anaerobic: live w/o O2
what is the reservoir? - Answer growth and multiplication of microorganisms in their natural
habitat
- people
- animals
- soil
- food, water, milk
- inanimate objects
what is the portal of exit? - Answer escape route/how organism escapes from reservoir
- respiratory, GI, GU, and breaks in skin
- blood and tissue
- aka secretions from humans
what is the means of transmission? - Answer how it transmits
, - equipment, contact, excretion an secretions
- direct or indirect, airborne or droplet
what is direct transmission? - Answer person to person
- touching or kissing
what is indirect transmission? - Answer Person to object
- with vector (living creature that transmits to human)
- fomite (inanimate object transmits - e.g. dirty towel)
What is droplet transmission? - Answer Rubella, Mumps, Diphtheria, flu, sepsis, meningitis,
pneumonia, strep, scarlet fever, pertussis
-greater than 5 cm
- wear surgical mask
- private room or pt with same illness
- door may be open
- wear PPE for contact
- transport pt only prn and wear mask
- keep visitors 3 feet from pt
what is airborne transmission? - Answer Measles, TB, Varicella ("MTV is on AIR")
- N95 mask
- less than 5 cm
- private room with NEGATIVE air pressure
- keep door closed and pt in room
- wear respirator when entering room unless pt is immune to disease
- transport pt out of room only prn and with a mask
what is contact transmission? - Answer MRSA, VRE or VRSA, borrelia burgdogen, E. Coli, HEP
B, TB, HIV, S. aureus, salmonella
- private room if available or with pt with same illness
- gloves and gown to enter
- soap and water h.h.
- remove PPE before leaving room
