Chapter 3 Disease and Treatment Flashcards
pathogen
disease causing agent
parasite
lives at expense of another organ
trauma
injury
lesion
distinct area of damaged tissue; injury or wound
necrosis
death of tissue
prolapse
dropping
etiology
cause of disease
cocci
round bacteria, may be in clusters, chains, or other formations
pneumonia, gonorrhea
bacilli
rod-shaped bacteria
tetanus, typhoid, salmonella
vibrios
short curved rod shaped bacteria
cholera
spirochetes
corkscrew-shaped bacteria that move with twisting motion
lyme, syphilis
chlamydia
SMALL bacteria with complex life cycles that grow in cells
conjunctivitis, trachoma
riskettsia
SMALL bacteria that grow in cells
typhus
protozoa
single celled animals
helminths
worms
sepsis
presence of harmful microorganisms or their toxins in the body
how do microorganisms produce disease
release of toxins
Signs of inflammation
heat
pain
redness
swelling
edema
swelling or accumulation of fluid in the tissues
phagocytosis
used to rid of harmful microorganisms, damaged cells, and harmful debris
some white blood cells can engulf and destroy internally
pus
remains of phagocytic cells, fluid, and white blood cells
immunity
all our defenses against infectious disease
eg inflammation/phagocytosis
adaptive immunity
immunity we acquire from exposure to disease organisms
natural, vaccine induced
neoplasia
abnormal and uncontrolled growth of tissue