microbi exam 3 ch. 14

the presence of _____ is essential for preventing respiratory infections

the mucocillary escalator

which of the following is not a useful function of the gut microfloral

supporting the growth of the pathogenic bacteria

why do individuals take probiotics

to restore balance in the microbial community

_____ are used to study host micorbitoa relatiosnups in the lavatory

gnotobiotic animals

a noninfectious disease that can be linked to changes in mirobiota- yeast infection- c. diff- iBS- stomach flu

IBS

_____ is consitenly sampling normal bacteria of the host to maintain a low level immune response - a tight junction-lymid tissue epithelial cellsendothelial cells

lymphoid tissue

the blood brain barrier is composed of tight junctions true or false

false

many anitbtiocs are not capable of penetrating the blood brain barrier ... true or false

true

lipoloysaccharides, flagellin, and doubt stranded dan are lipopolysaccharides flaggein and double stranded dan are microbe associated molecular patter (MAMPS)

TRUE

the presence of ___ is essential for preventing infections

mucociilary escalatator

what microbial resivor has the largest anaerobe to aerobe ratio - intestinemouth skin

- intestine

which of the following is not a useful function of the gut microflora

supporting the growth of pathogenic bacteria

which of the following optima ph for growth of h.plyori- 1-3-5-7

5

an extreme form of probiotics is the _____- fecal transplant- antibitoics-phage therapy- colon turnover

fecal transplant

which of the following situations demonstrates the risk of microbiome

Mary suffers from colon cancer. while being treated she develops an opportunities bacteria's fragility infection

an indivudlas microbiota is In a constant state of ____- flux- consistncy-inflammation-dehydration

flux

lactobacillus an bifidobacteirum are examples of- probitoics-antbitoics-pathogens-organisms that are vaccinated against

probiotics

which of the following body part is sterile- mouthskinbloodGI TRACT

blood

which of the following charcuteries of skin that influences microbial colonizations- extremely moist enviornment- acidic pH-low salt concentration-anaerobic environment

acidic Ph

prescence of ____ is essential for preventing respiratory infections

mucuiliary escalator

____ can completely change the intestinal mix of microbes-sun exposure- antibiotic treatment-rashes-NSAID treatment

antibiotic treatment