Chapter 17- Microbiology Questions And Answers Latest.

Chapter 17- Microbiology Questions And Answers Latest. Growth vpatterns vin vbroth, vand vcolony vsize, vshape, vtexture, vand vcolor vare vdescriptions vof vBLANK vbacterial vphenotypes. v- vcorrect vanswers. vmacroscopic Which vof vthe vfollowing vrepresents va vphenotypic vmethod vused vto videntify vmicroorganisms? -Agglutination vreactions -Polymerase vchain vreaction -Gram vstaining -DNA vsequencing v- vcorrect vanswers. v-Gram vstaining Select vthe vreasons vwhy vculturing vis vbeing vreplaced vby vnew vmethods vof vdisease vdiagnosis. v(select vall vthat vapply) -Culturing vis vtime vintensive -All vinfections vare vcaused vonly vby vone vpathogen -The vcultured vmicrobe vmay vonly vbe vnormal vbiota -Some vpathogens vare vunculturable v- vcorrect vanswers. v-Culturing vis vtime vintensive -The vcultured vmicrobe vmay vonly vbe vnormal vbiota -Some vpathogens vare vunculturable Common vsampling vsites vfor vspecimens vinclude vBLANK vfrom vthe vmouth, vBLANK vfrom vthe vveins, vand vBLANK vfrom vthe vbladder. v- vcorrect vanswers. vsaliva, vblood, vand vurine BLANK vis vdischarged vby vcoughing vor vvia va vcatheter vto vavoid vcontamination vwith vsaliva. v- vcorrect vanswers. vsputum Which vof vthe vfollowing vare vconsidered vmacroscopic vcharacteristics vof vbacterial vphenotypes? v(select vall) Gram vreaction growth vpatterns vin vbroth speed vof vcolony vgrowth cellular vmorphology endospore vstain colony vsize capsule vstain colony vtexture v- vcorrect vanswers. vgrowth vpatterns vin vbroth speed vof vcolony vgrowth colony vsize colony vtexture Which vof vthe vfollowing vcharacteristics vis/are vused vin videntifying vorganisms vby vphenotypic vmethods? v(select vall) -Presence vin vserum vof vinfected vpatient -DNA vfingerprint -Staining vreactions -Ability vto vdigest vspecific vmacromolecules -Colony vappearance -Presence vof vexternal vstructural vfeatures v- vcorrect vanswers. v-Staining vreactions -Ability vto vdigest vspecific vmacromolecules -Colony vappearance -Presence vof vexternal vstructural vfeatures The vBLANK vof vmicrobial vpathogens von vappropriate vgrowth vmedia vor vcells vis vbeing vreplaced vby vmore vrapid vtechnologies vfor vthe vdiagnosis vof vdisease. v- vcorrect vanswers. vculturing Which vof vthe vfollowing vare vcommon vsampling vsites vfor vspecimen vcollection? Mouth Liver Vein Skin Muscle Throat Intestine Kidney v- vcorrect vanswers. vMouth Vein Skin Throat Which vmethods vare vtypically vused vto vcollect vsaliva vor vmucus vsamples vfrom vthe voral vand vnasal vcavities? Swabs Needle vaspiration Discharge vby vcoughing Scalpel Expectoration v- vcorrect vanswers. vSwabs Discharge vby vcoughing Expectoration Which vof vthe vfollowing vbody vfluids vis vconsidered va vnonsterile vspecimen vcontaining vdiverse vnormal vflora? Mucus vin vtrachea Interstitial vfluid Blood Cerebrospinal vfluid Urine v- vcorrect vanswers. vMucus vin vtrachea Which vof vthe vfollowing vis vone vof vthe vmost vrapid vways vof vdetermining vthe vgeneral vcharacteristics vof va vspecimen? Cultivation vand visolation Biochemical vtesting Phage vtyping Microscopic vobservation v- vcorrect vanswers. vMicroscopic vobservation Nonsterile vspecimens vsuch vas vfeces vshould vbe vcultured vonto vBLANK vmedia vto vallow vfor vthe vgrowth vof vonly vthe vsuspected vpathogen. v- vcorrect vanswers. vselective Which vof vthe vfollowing vbody vfluids vare vconsidered vsterile? Interstitial vfluid Urine vin vthe vbladder Sputum Blood Cerebrospinal vfluid Mucus vin vtrachea v- vcorrect vanswers. vInterstitial vfluid Urine vin vthe vbladder Blood Cerebrospinal vfluid Clinical vmicrobiologists voften vobtain vpure vcultures vof va vpathogen vfor vuse vin videntification vprocedures vby vutilizing vsterile vtechniques vand vBLANK vmedia. v- vcorrect vanswers. vdifferential Which vof vthe vfollowing vare vNOT vphenotypic vmethods vfor vdirect vexamination vof va vspecimen. Acid vfast vstain PCR Hybridization Gram vstain DNA vsequencing v- vcorrect vanswers. vPCR Hybridization DNA vsequencing Nutrient vmedia vdesigned vto vdiscriminate vbetween vspecies vof vmicroorganisms vbased vupon vtheir vappearance vdue vto vdifferent vchemical vreactions vare vcalled v________ vmedia. isolation differential selective v- vcorrect vanswers. vdifferential Reason: Isolation vmedia vare vdesigned vto vseparate vdifferent vspecies vof vbacteria vinto vindividual vcolonies. vIt vis vnot vdesigned vto vfavor vthe vgrowth vof vone vspecies vover vanother. Reason: v Selective vmedia vare vnutrient vmedia vdesigned vto vfavor vthe vgrowth vof vcertain vbacteria vover vothers. Which vtype vof vmedia vshould vbe vused vto vculture vnonsterile vspecimens, vin vorder vto vinhibit vthe vgrowth vof vnormal vbiota? Selective Enriched Differential Liquid v- vcorrect vanswers. vSelective Which vof vthe vfollowing vare vphenotypic vmethods vthat videntify vmicrobes vthrough vmicroscopic vmethods? capsule vstaining PCR agglutination vtesting ELISA vassay endospore vstaining Gram vstain acid-fast vreaction Western vblot v- vcorrect vanswers. vcapsule vstaining endospore vstaining Gram vstain acid-fast vreaction To vaccurately videntify vsuspected vpathogens, vit vis vimportant vto vwork vwith v______ vcultures. v- vcorrect vanswers. vpure The vdiagnostic vscheme villustrated vhere, vwhich voffers vpairs vof vcharacteristics v(positive/negative) vis vtermed va vBLANK vBLANK. v- vcorrect vanswers. vdichotomous vkey A vBLANK vBLANK vis va vflow vchart vthat vis vused vin vthe videntification vof vorganisms vwith vcertain vcharacteristics. v- vcorrect vanswers. vdichotomous vkey Media vthat vchange vin vappearance vbased von vchemical vreactions vand vdiscriminate vbetween vmultiple vbacterial vspecies vare vcalled vBLANK vmedia. v- vcorrect vanswers. vdifferential The vGram vstain, vendospore vstain, vcapsule vstain, vand vthe vacid-fast vstain vare vall vphenotypic vmethods vthat videntify vBLANK vmorphology. v- vcorrect vanswers. vcell Physiological vreactions vof vbacteria vto vcarbohydrates, vgelatin, vstarch, vand vother vsubstrates vare vexamples vof v_______ vtesting. v- vcorrect vanswers. vbiochemical Using vdifferential vmedia, vthe vpresence vof va vparticular venzyme vin van vorganism vis voften vvisualized vas va vchange vin: -growth vpatterns -staining vreaction -colony vmorphology -color vof vthe vmedium v- vcorrect vanswers. vcolor vof vthe vmedium You vhave vjust visolated van vorganism vfrom va vpatient vin vpure vculture, vand vobserved vthat vis vhas vthe vcellular vmorphology vof vcoccus. vTo videntify vit vfurther, vyou vhave vchosen vthe vdichotomous vkey vshown vin vthis vimage. vYour vnext vstep vis: -Gram vstain -thioglycollate -Gram vstain, vcatalase, voxidase, vand vthioglycollate -oxidase vreaction -catalase vreaction v- vcorrect vanswers. vGram vstain Fermentation vtests, vthe vcatalase vand voxidase vtest, vsensitivity vto vantibiotics vand vother vsuch vtests vare vexamples vof vBLANK vor vBLANK vcharacteristics vof vmicrobes. v- vcorrect vanswers. vphysiological; vbiochemical Flow vcharts vwith vtwo vchoices vat veach vlevel vthat vare vused vto videntify va vparticular vgenus vor vspecies vwith va vcertain vpattern vof vcharacteristics vare vcalled v_______. v- vcorrect vanswers. vdichotomous vkeys Which vthree vof vthe vfollowing vare vadvantages vto vthe vuse vof vrapid, vminiature vsystems vto vcharacterize vinfectious vmicrobes? -They vrequire vsignificant vincubation vspace. -They vrequire vlittle vtraining vto vinoculate vand vinterpret. -They vare vreadily vadapted vto vanalysis vby vcomputer. -They vcan videntify vall vknown vbacterial vpathogens. -They vare vinexpensive. v- vcorrect vanswers. v-They vrequire vlittle vtraining vto vinoculate vand vinterpret. -They vare vreadily vadapted vto vanalysis vby vcomputer. -They vare vinexpensive. BLANK vtesting vinvolves vobservation vof vthe vphysiological vreactions vof vbacteria vto vvarious vsubstrates vand vthe vactions vof vother venzyme vproducts. v- vcorrect vanswers. vbiochemical The vphysiological vreactions vof vbacteria vto vnutrients vand vother vsubstrates vprovides vindirect vevidence vof vthe vtypes vof vBLANK vexpressed vin va vparticular vspecies. v- vcorrect vanswers. venzymes Physiological vand vbiochemical vphenotypes vare vdetermined vthrough v________. -growth vpatterns vin vbroth -sensitivity vto vantibiotics -tests vfor vfermentation vof vsugars -streak vplate vanalysis