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UAMS Microbiology Exam 1 Questions & Answers 2024/2025 $8.99   Add to cart

Exam (elaborations)

UAMS Microbiology Exam 1 Questions & Answers 2024/2025

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UAMS Microbiology Exam 1 Questions & Answers 2024/2025 Name the different organism morphologies - ANSWERSCoccus Coccobacillus Vibrio Bacillus Spirillum Spirochete Name the bacterial arrangements - ANSWERSCoccus diplococcus staphylococci streptococci sarcina tetrad Describe a Fi...

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  • August 28, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • UAMS Microbiology
  • UAMS Microbiology
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UAMS Microbiology Exam 1 Questions &
Answers 2024/2025

Name the different organism morphologies - ANSWERSCoccus

Coccobacillus

Vibrio

Bacillus

Spirillum

Spirochete



Name the bacterial arrangements - ANSWERSCoccus

diplococcus

staphylococci

streptococci

sarcina

tetrad



Describe a Filamentous Rod - ANSWERSA long string of bacillus bacteria



Describe a Fusiform Rod - ANSWERSBacteria that is pointed on the ends



Describe Pleomorphic Rods - ANSWERSDifferent lengths and shapes of the same bacteria



What is the melting and liquid temperatures of agar? - ANSWERSPolysaccharide melts at 100C and stays
liquid until 45-50C.



Nutrient Agar - ANSWERSThe most basic growth media for bacteria. Examples: TSA and Nutrient Agars

, Enriched Media - ANSWERSSupplemented with various substances to encourage growth of fastidious
organisms. Examples: BAP and Chocolate.



Enrichment Broths - ANSWERSEnhance the growth of specific MOs while inhibiting the growth of others.
Examples: GN, Selenite, LIM and Trans-Vag broths.



Nonselective Media - ANSWERSNo antimicrobial substances and allows growth of most organisms.
Examples: BAP and Chocolate.



Selective Media - ANSWERSContains antimicrobial substances which allows the growth of specific
bacteria while inhibiting the growth of others. Examples: PEA, CNA, MAC, EMB



Microaerophilic - ANSWERSDecreased oxygen (5-10% O2). Example: Campylobacter



Capnophilic - ANSWERSIncreased CO2 (5-10% CO2) Example: Haemophilus influenza.



Humidophilic - ANSWERSIncreased humidity (70-80%)



Incinerating - ANSWERSBurns and physically destroys MOs



Intermittent Boiling - ANSWERSKills all MOs (3-30 minute intervals of boiling at 100C and cooling kills
endospores)



Autoclaving - ANSWERSSteam under pressure (15 psi at 121C for 15 minutes)



Dry Heat - ANSWERSHot air oven (160C for 2 hours)



Irradiation - ANSWERSDestroys and distorts nucleic acids of MOs. Examples: UV lamps, Gamma
radiation, Electron beam radiation.



Filtration - ANSWERSPhysical removal of bacterial cells from liquids, gases and air. Example: HEPA filters

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