Microbiology

Ceate a 2- to 3-page document in Microsoft Word for providing answers to questions in the following review sheets:

Support your responses with examples.

Cite any sources in APA format.

Week 1 – Review Sheet

Exercise1: Hanging–dropandwet–mountpreparations

1.   Howdoestruemotilitydifferfrom Brownianmovement?

2.   Whatmorphologicalstructureis responsibleforbacterialmotility?

3.   Whyisa wetpreparationdiscardedindisinfectantsolutionorbiohazardcontainer?

4.   Whatis thevalueofahanging-droppreparation?

5.   Whatis thevalueofa wet–mountpreparation?

   Exercise2: Simplestains

1.   Defineacidicandbasicdyes.Whatis thepurposeofeach?

2.   Whatis thepurposeoffixingaslidethatis tobe stained?

3.   Whyarethespecimenstobestainedsuspendedinsterilesalineordistilledwater?

4.   Howdoesastainedpreparationcomparewithahangingdropforstudyingthemorphologyand motilityofbacteria?

5.   Listat leastthreetypesofbacteriawhosenamesreflecttheirshapesandarrangements,and statethemeaningof eachname.

   Exercise3:Gramstain

1.   Whatis thefunctionoftheiodinesolutionintheGramstain?If itwereomitted,howwouldstaining resultsbeaffected?

2.   Whatis thepurposeofthealcoholsolutionintheGramstain?

3.   Whatcounterstainisused?Whyis itnecessary?Couldcolorsotherthanredbeused?

4.   Whatis theadvantageoftheGramstainoverasimplestainsuchasmethyleneblue?

5.   Inwhatkindofclinicalsituationwouldadirectsmearreportfrom thelaboratorybeof urgent importance?