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32 terms

Chapter 4 Patho- Infection

Infection
STUDY
PLAY
Antiseptics
reduces the number of microorganisms on the skin
Aseptic Technique
a procedure that is preformed under sterile conditions
Autoclaving
the sterilization of instruments with steam at high temperature and pressure
Colonization
one or more species of microorganisms occupy a region of the body
Culture
growth of microorganisms on a specific nutritious medium in a lab
Disinfectants
a chemical that may destroy or inhibit the growth and reproduction of microorganisms
Endemic
a disease that is always present in a specific region
Endotoxin
a toxin released from the walls of certain gram-negative bacteria following lysis
Epidemic
a disease occuring in higher numbers than usual in a certain population within a given time period
Exotoxin
toxin excreted by a bacterium
Fimbraie
hair-like projections on some bacteria
gram stain
a stain for bacteria that differentiates the cell walls of gram-positive bacteria from that of gram-negative bacteria
Infection
event that occurs when a microbe or parasite is able to reproduce in or on the body's tissues
Leukocytosis
an above-normal number of leukocytes in the blood
Leukopenia
a decreased number of leukocytes in the blood
lymphadenopathy
a disease affecting the lymph nodes
monocytosis
increased number of monocytes circulating in the blood
MRSA
Methicillin-resistant Staphylococcus aureus (MRSA) is a type (strain) of staph bacteria that does not respond to some antibiotics that are commonly used to treat staph infections.
mutation
a change in the genetic makeup (DNA) of a cell
nosocomial
an infection acquired while hospitalized
obligate
the requiring of a living host to survive
parasite
an organism that lives on or in another living organism
pathogen
a disease-causing microorganism
pathogenesis
the early stages in the development of a disease
pili
hair-like appendages on some bacteria for adhesion to tissue and transfer of DNA
prions
an infectious abnormal protein particle; does not contain DNA
sanitation
prevention of disease
Seizures
sudden, involuntary movement with loss of awareness, caused by uncontrolled neuronal discharge in the brain
sepsis
a toxic condition resulting from the spread of bacteria or their toxic products from a focus of infection
Septicemia
invasion of the blood stream by virulent microorganisms and especially bacteria along with their toxins
Sterilization
to make free of microorganisms
Virulence
the relative capacity of a pathogen to overcome body defenses