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life

the capacity of a created thing to grow,metabolize,respond(to stimuli),adapt, and reproduce

microbe

is a microorganism that is alive which can be a bacteria,fungus,protozoan

sterile

free of microbes

sterile tissues

blood,brain,muscle,urine,fetus

host

the organism which provides the habitat and nourishment to another organism

normal flora (NF)

a mixture of microbes present at a particular anatomic site

commensal organisms

a relation between individuals of two species in which one species obtain food or other benefits from the other without either harming or benefiting the latter

mutualistic

relationship where both species benefit

parasitic

one species benefits at the expense of the other

opportunistic

a normally harmless or weak member of the normal flora that begins to cause disease when the host immune defenses are impaired

chronic bronchitis

occurs when the NF of the respiratory tract are able to invade the lung tissue of the lower respiratory tract

yeast infection

high incidence in those with diabetes

surgery

breaking the barrier that skin provides open a way to infection

tissue tropism

is the location a microbe prefers to live often based on the requirement of the microbe's life cycle

special adherence molecules

bacteria have this that recognize and bind to their preferred human cell much like antigen-antibody reactions

plasma membrane

different types of cells of the human body each have specific and different molecules protruding from their _________ surface

NF of the skin

microbes only found on the surface

density

this depends on the location of the skin

moist and have high density

groin,axillae (arm pits), skin folds, and fat rolls are _______ and have _____

100-1000 microbes

all other skin has relatively low density o`

10(12) bacteria

the skin of one adult is thought to host a total of

common microbes

staphylococcus epidermidis and propionibacterium acnes

inhabiting the skin and producing fatty acids

NF of the skin benefit us by

the fatty acids prevent yeast and fungi from inhabiting the skin

staphylococcus epidermidis and propionibacterium acnes are very presence and the __________ prevent _________ and_________ from ___________

acne

p.acnes can get trapped in follicles and cause

10(10) bacteria

the mouth of one adult is thought to host a total of

pneumonia

s.pnemoniae causes

cavities

s.mutans and lactobacillus cause

MRSA infections

s.aureus can lead to dreadful

highest densities of bacteria

NF of the colon is home to the

10(14) bacteria

the gastrointestinal tract of one adult is thought to host a total of

10(14) cells

one human is made of

pathogenic bacteria

all of these inhabit the GI tract and prevent __________ from being able to move in

vitamin K

this vitamin is produced by some GI bacteria which we can absorb from the GI tract and it is used by our bodies

strong antibiotics, pathogenic

this can wipe out the GI bacteria which leaves open a lot of GI real estate for _________bacteria to move in and cause disease

gets its first breast feeding

a newborn's GI tract is sterile at birth until it___________

bifidobacterium

breast fed newborn GI tracts become colonized by

honey

one food not to give a newborn for fear of paralysis and respiratory arrest is

NF of the vagina

E.coli, streptococcus and lacobacillus

lactobacills

this has a mutualistic relationship in the vagina

glycogen,metabolizes,lactic acid,pH

the vaginal cells produce_______which________lactobacillus______into_______of the vaginal tract

pathogenic bacterial infections and yeast infections caused by candida albians

the low pH of the vagina prevents _________ and ______ caused by _____

normal flora

scientists have grown germ free mice which lack________

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