IPAC Midterm - Questions With Detailed Solutions
Modes of disease transmission (5) Correct Answer - Direct,
Indirect, Droplet, Airborne, Vehicle
Direct Correct Answer - Contact with blood, oral fluids or other
substances
Indirect Correct Answer - contact with an intermediate
contaminated object
Droplet Correct Answer - contact of microorganisms from
coughing, sneezing, talking
Airborne Correct Answer - inhaled microorganisms in the air
Vehicle Correct Answer - transfer of a pathogen via food or
water
Chain of Infection Correct Answer - pathogen, reservoir, portal
of exit, mode of transmission, portal of entry, susceptible host
How to break the Chain of Infection? Correct Answer - hand
hygiene, cough etiquette, clean surfaces, habits for good health,
immunizations, stay home if sick, wear PPE
What is the most critical measure for reducing the risk of
transmission Correct Answer - Hand Hygiene
What are the 3 elements the must be present for infection to occur?
Correct Answer - Source Reservoir, Susceptible host,
transmission
, What are the 4 microorganisms? Correct Answer - Bacteria,
viruses, fungi, parasites
Define Host Correct Answer - organism that is the target of an
agent
Define Susceptible Host Correct Answer - determines weather
an encounter with an infectious microorganism will result in disease
Antibodies Correct Answer - Vaccination against disease-
causing microbe; recovery from infection
Virulence Correct Answer - ability of a pathogen to cause
disease to a host
Some tools available to break chain of infection Correct Answer -
immunization, routine practices, isolation procedures, PPE, hand
hygiene, sterilize, disinfect, clean, waste disposal
Reservoirs of infectious microorganisms Correct Answer -
Human, animal, non-living
Direct Contact Correct Answer - person to person (individual
touches or exchanges bodily fluids with someone else)
Indirect Contact Correct Answer - transferred through non-
living objects (doorknobs, toys, contaminated tissue)
Droplet Contact Correct Answer - close proximity transfer of
large particles traveling to someone else
Vehicle Transmission Correct Answer - transmission for
contaminated food or water (food poising)
Modes of disease transmission (5) Correct Answer - Direct,
Indirect, Droplet, Airborne, Vehicle
Direct Correct Answer - Contact with blood, oral fluids or other
substances
Indirect Correct Answer - contact with an intermediate
contaminated object
Droplet Correct Answer - contact of microorganisms from
coughing, sneezing, talking
Airborne Correct Answer - inhaled microorganisms in the air
Vehicle Correct Answer - transfer of a pathogen via food or
water
Chain of Infection Correct Answer - pathogen, reservoir, portal
of exit, mode of transmission, portal of entry, susceptible host
How to break the Chain of Infection? Correct Answer - hand
hygiene, cough etiquette, clean surfaces, habits for good health,
immunizations, stay home if sick, wear PPE
What is the most critical measure for reducing the risk of
transmission Correct Answer - Hand Hygiene
What are the 3 elements the must be present for infection to occur?
Correct Answer - Source Reservoir, Susceptible host,
transmission
, What are the 4 microorganisms? Correct Answer - Bacteria,
viruses, fungi, parasites
Define Host Correct Answer - organism that is the target of an
agent
Define Susceptible Host Correct Answer - determines weather
an encounter with an infectious microorganism will result in disease
Antibodies Correct Answer - Vaccination against disease-
causing microbe; recovery from infection
Virulence Correct Answer - ability of a pathogen to cause
disease to a host
Some tools available to break chain of infection Correct Answer -
immunization, routine practices, isolation procedures, PPE, hand
hygiene, sterilize, disinfect, clean, waste disposal
Reservoirs of infectious microorganisms Correct Answer -
Human, animal, non-living
Direct Contact Correct Answer - person to person (individual
touches or exchanges bodily fluids with someone else)
Indirect Contact Correct Answer - transferred through non-
living objects (doorknobs, toys, contaminated tissue)
Droplet Contact Correct Answer - close proximity transfer of
large particles traveling to someone else
Vehicle Transmission Correct Answer - transmission for
contaminated food or water (food poising)
