Pearson chapter 28 Flashcards
(43 cards)
carrier
an asymptomatic individual who is infected with and can transmit a communicable disease.
communicable disease
infectious disease that can be spread from person to person through direct or indirect contact. Also called contagious disease
disease period
the phase of an infection in which the individual has signs and symptoms.
exudate
material that has seeped out of injured or inflamed tissues or blood vessels.
fomite
an inanimate object that can transfer infectious material, resulting in disease.
fulminant
severe, with a rapid onset.
immunocompromise
the suppression of immune system function, resulting in increased susceptibility to infection and cancers.
incubation period
the time from exposure to an infectious disease to the onset of signs and symptoms.
latent
inactive or dormant
normal flora
micro-organisms that normally inhabit the body without producing disease.
nosocomial infection
an infection acquired in a health care setting.
opportunistic infections
diseases that occur from pathogens that are normally destroyed by the immune system or kept in check by normal flora
vector
an animal or insect that can spread diseases from one organism to another.
virulent
strong, able to overcome body defenses.
window phase
the period of time between infectious disease exposure and development of detectable amounts of antibody; the disease may be transmissible during this time.
Direct transmission
Infected person in contact with, or close proximity to,
another person
Indirect transmission
Infected person contaminates fomite that another
person comes in contact
Hepatitis A & E
pread through fecal–oral route,
including contaminated food
Hepatitis B, C, D & G
spread through blood; body fluids;
and shared drug, acupuncture, and tattoo needles
Tuberculosis (TB)
Spread through respiratory droplets. Manifests as respiratory disease. Can affect many different parts of body
Pneumonia
Viruses, fungi, strains of bacteria infection. Often localized to one lobe of lung.
SARS
Coronavirus infection that causes acute pneumonia-
like illness
Pertussis (whooping cough)
Serious, sometimes fatal disease that causes
coughing fits and characteristic “whooping” sound
Bubonic plague and hantavirus
Carried by rodents, occasionally occur in U.S. Southwest