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Chapter 22 - Lindh

Cause athlete's foot and yeast infections fungi
parasite requires host to live, but host does not benefit.
identified by characteristic shapes bacteria
virus live inside cells in order to multiply
intracellular parasites that are larger than viruses rickettsiae
HBV Hepatitis B Virus
jaundice yellow discoloration of the skin
gram negative bacteria turns red when stained
micro-organism microscopic living creatures capable of reproduction and transmission in specific circumstances
Symptoms of HBV loss of appetite, fatigue, nausea, headache, fever, jaundice, with or without white stools.
Five classificiations of organisms bacteria, viruses, fungi, parasites, & rickettsiae
Cells destroyed by HIV T cells
When is a person with HIV considered to have AIDS? When the T cell count is less than 200.
pathogens infectious disease-causing microbes
STD/STI's other than HIV/HBV chlamydia, herpes simplex, gonorrhea, syphilis, genital warts, bacterial vaginosis
Means of disease transmission direct contact, airborne, bloodborne, ingestion, indirect contact, vector
6 steps in Chain of Infection Infectious Agent, Reservoir, Portal of Exit, Means of Transmission, Portal of Entry, Susceptible Host
Name 2 types of parasites malaria, amoebic dysentery, trichomoniasis, pinworms, hookworms, tapeworms, lice, scabies
Definition of Epidemiology the study of history, cause, and patterns of infectious diseases
HIV Human Immunodeficiency Virus
Four stages of Infectious Disease Incubation, Prodromal, Acute, Declining
Infectious Waste Any item that has come in contact with patient blood or body fluid
PPE Personal Protective Equipment
Name at least three PPE gloves, mask, gown, goggles, face shield, shoe covers
Which stage of infectious disease would have levels of improvement? declining
Wearing gloves breaks which link in the chain of infection? mode of transmission
Example of Reservoir equipment & water
Example of Portal of Exit excretions and secretions
Typhus, Lyme disease, or Rocky Mountain Spotted Fever examples of rickettsiae
An infectious agent leaves the reservoir by the portal of exit
link between the portal of exit and the portal of entry is means of transmission
In order for the portal of entry to be effective there must be a susceptible host
Antibody produced in response to the presence of an antigen
Antigen substance the body recognizes as "foreign" and creates antibodies in response.
Immunity ability of the body to resist specific pathogens and their toxins
Resistance ability to fight infections
Acquired immunity immunity received after being born
Congenital immunity immunity with which one is born
Active immunity one has built his/her own antibodies
Passive immunity Antibodies were provided from an outside one's own body.
Standard Precautions Reduce the risk of transmission of microbes from both recognized and unrecognized sources of infections
Standard Precautions Apply to blood, all body fluids, secretions, excretions, non-intact skin, & mucous membranes
jaundice yellow discoloration of skin
When HIV turns into AIDs when T cell count is less than 200
primary syphilis chancre
chlamydia similar but not as serious as gonorrhea
spores can live 150,000 years
sterilization kills all microbes, including spores
disinfectant does not kill spores
normal flora bacteria that normally live in or on the body and are not harmful, and, in fact, some are helpful to the body
antibiotics kill bacteria, but not viruses
sanitize to wash or remove debris, to clean, but not sterilize
Created by: ZonaB2