NCHP Week Exam 3 Questions with Correct
Answers
Increase in HAIs
patients develop infections as direct result of contact with health care personnel
High risks groups for HAIS
having multiple illnesses, older adults, poorly nourished, compromised immune system
HAIs occur bc...
invasive procedures, antibitoic admin, drug resistant organisms, breaks in inefection prevention
infection
pathogen invades tissue and begins growing within a host
colonization
presence and growth of microorganisms within a host but without tissue invasion
communicable disease
Infection disease can be transmitted directly from one person to another
herd immunity
level of protection provided to unimmunized people when immunization rates are high among
rest of pop
infectious agent
bacteria, viruses, fungi, protozoa
, reservoir
humans and animals (host), insects, food, water, and organic matter on inanimate surfaces
Portal of Exit
blood, skin and mucous membranes, respiratory tract, GU tracts, GI tract and transplacental
Modes of transmission
contact (direct or indirect) droplet, airborne, common vehicle, vector
incubation period
interval between initial infection and first signs and symptoms
prodromal stage
interval from onset of nonspecific signs and symptoms to more specific symptoms
illness stage
interval when patient manifests signs and symptoms specific to type of infection
Convalescence Stage
interval when acute symptoms of infection disappear
Normal floras
body normally contains microorganisms that reside on the surface and deep layers of skin, in the
saliva and oral mucosa, GI and GU tracts
inflammation
cellular response of the body to injury, infection, irritation
Answers
Increase in HAIs
patients develop infections as direct result of contact with health care personnel
High risks groups for HAIS
having multiple illnesses, older adults, poorly nourished, compromised immune system
HAIs occur bc...
invasive procedures, antibitoic admin, drug resistant organisms, breaks in inefection prevention
infection
pathogen invades tissue and begins growing within a host
colonization
presence and growth of microorganisms within a host but without tissue invasion
communicable disease
Infection disease can be transmitted directly from one person to another
herd immunity
level of protection provided to unimmunized people when immunization rates are high among
rest of pop
infectious agent
bacteria, viruses, fungi, protozoa
, reservoir
humans and animals (host), insects, food, water, and organic matter on inanimate surfaces
Portal of Exit
blood, skin and mucous membranes, respiratory tract, GU tracts, GI tract and transplacental
Modes of transmission
contact (direct or indirect) droplet, airborne, common vehicle, vector
incubation period
interval between initial infection and first signs and symptoms
prodromal stage
interval from onset of nonspecific signs and symptoms to more specific symptoms
illness stage
interval when patient manifests signs and symptoms specific to type of infection
Convalescence Stage
interval when acute symptoms of infection disappear
Normal floras
body normally contains microorganisms that reside on the surface and deep layers of skin, in the
saliva and oral mucosa, GI and GU tracts
inflammation
cellular response of the body to injury, infection, irritation
