UAMS Microbiology Final Exam Questions
With Correct Answers
BEA: ||Black
Salt: ||Growth
Optochin: ||Resistant ||- ||CORRECT ||ANSWER✔✔-Enterococcus
BEA: ||Black
Salt: ||No ||Growth
Optochin: ||resistant ||- ||CORRECT ||ANSWER✔✔-GDS
BEA: ||Colorless
Salt: ||No ||Growth
Optochin: ||Susceptible ||- ||CORRECT ||ANSWER✔✔-Streptococcus ||pneumoniae
BEA: ||Coloreless
Salt: ||No ||Growth
Optochin: ||Resistant ||- ||CORRECT ||ANSWER✔✔-Viridans ||Strep
Hemolysis: ||Beta
Gram ||Stain: ||GP ||Coccobacilli
Catalase: ||+
BEA: ||+
CAMP/Hippurate: ||+
,Motility: ||+ ||@ ||25 ||C ||- ||CORRECT ||ANSWER✔✔-Listeria
What ||organisms ||are ||motile ||at ||25 ||C? ||- ||CORRECT ||ANSWER✔✔-Yersinia ||entercolitica ||& ||
Listeria
What ||GPR ||organisms ||form ||spores? ||- ||CORRECT ||ANSWER✔✔-Bacillus ||species ||(aerobic)
Clostridium ||species ||(anaerobic)
What ||temperature ||should ||CIN ||agar ||be ||incubated ||at? ||- ||CORRECT ||ANSWER✔✔-RT
Selective ||for ||Gram-Negative ||Bacilli ||- ||CORRECT ||ANSWER✔✔-EMB ||& ||MAC
Selective ||media ||for ||Gram-positive ||organisms ||- ||CORRECT ||ANSWER✔✔-CNA ||& ||PEA
Gram ||staining ||steps ||- ||CORRECT ||ANSWER✔✔-1. ||crystal ||violet
2. ||iodine
3. ||alcohol
4. ||safranin
ID ||Of ||Staphylococci ||- ||CORRECT ||ANSWER✔✔--Slide ||coagulase
-Tube ||coagulase
-MSA
-Latex ||agglutination
-Novobiocin
Reagent: ||Bile ||Solubility ||- ||CORRECT ||ANSWER✔✔-10% ||deoxycholate ||(bile)
, Enhance ||growth ||of ||specific ||MOs, ||while ||inhibiting ||the ||growth ||of ||others ||(GN ||& ||Selenite) ||-
||CORRECT ||ANSWER✔✔-Enrichment ||Broths
No ||antimicrobial ||substances ||& ||allows ||growth ||of ||most ||organisms ||(BAP, ||CHOC) ||- ||CORRECT
||ANSWER✔✔-Nonselective ||Media
Contains ||antimicrobial ||substances, ||allows ||growth ||of ||specific ||bacteria ||while ||inhibiting ||the ||
growth ||of ||others ||(PEA, ||CNA) ||- ||CORRECT ||ANSWER✔✔-Selective ||Media
Basic ||growth ||media ||for ||bacteria ||(BAP/ ||CHOC) ||- ||CORRECT ||ANSWER✔✔-Nutrient ||Media
Metabolic ||differences ||and ||biochemical ||reactions ||in ||the ||media ||distinguishes ||MO ||(ph ||Color
||indicator) ||- ||CORRECT ||ANSWER✔✔-Differential ||Media
Reagent: ||Catalase ||- ||CORRECT ||ANSWER✔✔-Hydrogen ||Peroxide
Reagent: ||Coagulase ||- ||CORRECT ||ANSWER✔✔-Plasma
What ||is ||CHROMagar ||used ||for? ||- ||CORRECT ||ANSWER✔✔-MRSA
Sticky ||Staph
Cat: ||=
Oxidase: ||=
Bacitracin: ||R ||- ||CORRECT ||ANSWER✔✔-Rothia
Reagent: ||PYR ||- ||CORRECT ||ANSWER✔✔-N,N ||dimethylaminocinnamaldehyde
With Correct Answers
BEA: ||Black
Salt: ||Growth
Optochin: ||Resistant ||- ||CORRECT ||ANSWER✔✔-Enterococcus
BEA: ||Black
Salt: ||No ||Growth
Optochin: ||resistant ||- ||CORRECT ||ANSWER✔✔-GDS
BEA: ||Colorless
Salt: ||No ||Growth
Optochin: ||Susceptible ||- ||CORRECT ||ANSWER✔✔-Streptococcus ||pneumoniae
BEA: ||Coloreless
Salt: ||No ||Growth
Optochin: ||Resistant ||- ||CORRECT ||ANSWER✔✔-Viridans ||Strep
Hemolysis: ||Beta
Gram ||Stain: ||GP ||Coccobacilli
Catalase: ||+
BEA: ||+
CAMP/Hippurate: ||+
,Motility: ||+ ||@ ||25 ||C ||- ||CORRECT ||ANSWER✔✔-Listeria
What ||organisms ||are ||motile ||at ||25 ||C? ||- ||CORRECT ||ANSWER✔✔-Yersinia ||entercolitica ||& ||
Listeria
What ||GPR ||organisms ||form ||spores? ||- ||CORRECT ||ANSWER✔✔-Bacillus ||species ||(aerobic)
Clostridium ||species ||(anaerobic)
What ||temperature ||should ||CIN ||agar ||be ||incubated ||at? ||- ||CORRECT ||ANSWER✔✔-RT
Selective ||for ||Gram-Negative ||Bacilli ||- ||CORRECT ||ANSWER✔✔-EMB ||& ||MAC
Selective ||media ||for ||Gram-positive ||organisms ||- ||CORRECT ||ANSWER✔✔-CNA ||& ||PEA
Gram ||staining ||steps ||- ||CORRECT ||ANSWER✔✔-1. ||crystal ||violet
2. ||iodine
3. ||alcohol
4. ||safranin
ID ||Of ||Staphylococci ||- ||CORRECT ||ANSWER✔✔--Slide ||coagulase
-Tube ||coagulase
-MSA
-Latex ||agglutination
-Novobiocin
Reagent: ||Bile ||Solubility ||- ||CORRECT ||ANSWER✔✔-10% ||deoxycholate ||(bile)
, Enhance ||growth ||of ||specific ||MOs, ||while ||inhibiting ||the ||growth ||of ||others ||(GN ||& ||Selenite) ||-
||CORRECT ||ANSWER✔✔-Enrichment ||Broths
No ||antimicrobial ||substances ||& ||allows ||growth ||of ||most ||organisms ||(BAP, ||CHOC) ||- ||CORRECT
||ANSWER✔✔-Nonselective ||Media
Contains ||antimicrobial ||substances, ||allows ||growth ||of ||specific ||bacteria ||while ||inhibiting ||the ||
growth ||of ||others ||(PEA, ||CNA) ||- ||CORRECT ||ANSWER✔✔-Selective ||Media
Basic ||growth ||media ||for ||bacteria ||(BAP/ ||CHOC) ||- ||CORRECT ||ANSWER✔✔-Nutrient ||Media
Metabolic ||differences ||and ||biochemical ||reactions ||in ||the ||media ||distinguishes ||MO ||(ph ||Color
||indicator) ||- ||CORRECT ||ANSWER✔✔-Differential ||Media
Reagent: ||Catalase ||- ||CORRECT ||ANSWER✔✔-Hydrogen ||Peroxide
Reagent: ||Coagulase ||- ||CORRECT ||ANSWER✔✔-Plasma
What ||is ||CHROMagar ||used ||for? ||- ||CORRECT ||ANSWER✔✔-MRSA
Sticky ||Staph
Cat: ||=
Oxidase: ||=
Bacitracin: ||R ||- ||CORRECT ||ANSWER✔✔-Rothia
Reagent: ||PYR ||- ||CORRECT ||ANSWER✔✔-N,N ||dimethylaminocinnamaldehyde