A | B |
Acquired immunity | host receives natural or artifical antibodies produced by another source |
Active Immunity | host produces antibodies in repose to natural(infectious agents) or artifical(I.e.vaccines) antigens |
antibodies | immunoglobulins-defend against infections |
antigens | substance that induces a state of sensitivity or immune responsiveness(immunity) |
antiseptics | inhibit the growth of some microorganisms |
disinfectants | agents that destroy kpathogens other than spores |
infection | invasion of body tissue by microorganisms & proliferation there |
disease | detectable alteration in normal tissue function |
virulence | refers to microorganisms ability to produce disease |
Communicable disease | one that can be transmitted to an individual by direct or indirect contact |
Pathogenicity | ability to produce disease |
opportunistic pathogen | causes disease only in a susceptible individual |
Medical Asepsis | all practices intended to confine, limit #,growth, and transmission of microorganisms;Clean technique |
Asepsis | freedom from disease-causing microorganisms |
soiled,contaminated | means likely to contain microorganisms which may be capable of producing disease |
Surgical asepsis | pracices that keep an area free of ALL microorganisms |
Sepsis | state of infection |
septicemia | systemic infection with bacteria |
acute infection | appear suddenly, last a short time |
Chronic infection | may occur slowly over a long period and may last months or years |
nosocomial infection | infections develop during a client's stay in facility or manifest right after discharge |
reservoir | source of infection |
vehicle | substance that serves as an intermediate means to transport and introduce an infectious agent into a susceptible host |
fomites | inanimate materials or objects (toys, eating utensils) |
vector | animal or flying or crawling insect that serves as an intermediate means of transporting the infecious agent |
direct transmission | immediate and direct transfer of microorganisms from person to person |
indirect transmission | can be either vehicle or vector-borne |
airborne transmission | many involve droplets or dust |
compromised host | person at "increase risk" |
phagocytes | cells that ingest microorganisms, other cells and foreign particles |
eye protected from infection by | tears |
oral cavity protected from infection by | shedding mucosal epithelium and flow of saliva containing microbial inhibitors |
vagina protected from infection by | lactobacilli fermentation creating a low ph that inhibits bacterial growth |
carrier | person or animal reservois of a specific infectious agent that usually does not manifest any clinical signs of disease |
inflammation | local and nonspecific response of tissues to an injurious or infectious agent |
five signs of inflammation;rubor, calor, tumor, dolor | pain swelling, redness, heat, impaired function of the part |
itis means | inflammation |
leukocytes | white blood cells |
normal leukocyte count | 4,500- 11,000 |
ESR Erythrocyte sedimentation rate | time it takes for RBC's to settle; increased in presence of infection |
culture | laboratory cultivations or growth of microorganisms from urine,blood or other drainage |
portal of entry | how microorganisms enter the body |
susceptible host | any person who is at risk for infection |
compromised host | person at "increased risk" for infection; very young, very old, immunosuppressed, immunodeficiency disease |