CSMLS EXAM PREP QUESTIONS AND
ANSWERS
F -> C - Correct Answers -5/9 (F - 32)
C -> F - Correct Answers -9/5C+32
K = C - Correct Answers -K = C + 273
Deca - Correct Answers -10^1
Hecto - Correct Answers -10^2
Kilo - Correct Answers -10^3
Mega - Correct Answers -10^6
Giga - Correct Answers -10^9
Tera - Correct Answers -10^12
Peta - Correct Answers -10^15
Exa - Correct Answers -10^18
Deci - Correct Answers -10^-1
Centi - Correct Answers -10^-2
Milli - Correct Answers -10^-3
Micro - Correct Answers -10^-6
Nano - Correct Answers -10^-9
Pico - Correct Answers -10^-12
Femto - Correct Answers -10^-15
Alto - Correct Answers -10^-18
,Heparin Uses - Correct Answers -chemistry, plasma testing, pregnancy, electrolytes,
venous gases, ammonia, osmotic testing
Urine Plates - Correct Answers -SBAP, MAC
Mac conditions - Correct Answers -35C, aerobic
SBAP conditions - Correct Answers -35C aerobic
Wound plates - Correct Answers -SBAP, CNA, MAC
CNA conditions - Correct Answers -35C aerobic
Anaerobic Wound Plates - Correct Answers -anaerobic agar, brucella, anaerobic 48 hrs
Brucella conditions - Correct Answers -35C anaerobic 48 hours
Brucella Medium - Correct Answers -enriched medium - pneumococci, streptococci
Mac medium - Correct Answers -selective/differential medium, grows lactose fermenters
crystal violet and bile salts inhibit gram +
CNA medium - Correct Answers -selective medium
Basic media - Correct Answers -nutrient agar, trypticase soy agar, blood agar bases,
brain heart infusion
Enriched media - Correct Answers -blood agar, chocolate agar, fildes agar, loefflers
slants
Enrichment media - Correct Answers -always FLUID, selenite F, 6.5% NACL
Selective media - Correct Answers -CNA, PEA, thayer martin
Selective/Differential Media - Correct Answers -Mac (prevents growth of gram +)
Hektoen, SS agar (salmonella)
Meuller-Hinton agar - Correct Answers -non selective/differential, supports all growth,
contains starches which absorb toxins from bacteria so no interference with antibiotics
disks
Composition of Media - Correct Answers -water, peptones, agar, buffers, salt
Additional ingredients of Media - Correct Answers -carbs, ph indicators, blood products,
extracts, supplements and selective agents
, Genital Vag - Non pregnant Media - Correct Answers -Trichomonas wet prep
Genital Vag - Pregnant Plates - Correct Answers -CNA - gbs screen, 35C aerobic
Genital Cervix/urethral Plates - Correct Answers -CNA
GC Agar
both 35C 5-10% CO2 48 hours
NSBF plates - Correct Answers -SBAP, Chocolate, anaerobic brucella
5-10% CO2 72 hrs
anaerobic 48hrs
Chocolate Media - Correct Answers -enriched medium
Respiratory Plates - Correct Answers -Throat - CNA
35C anaerobic 24 hours
Sputum Plates - Correct Answers -SBAP or CNA
Choc or MAC
35C 5-10% CO2
Fecal Plates - Correct Answers -Mac, Smac, Hektoen, CIN, CAmpy, GN broth
CIN media - Correct Answers -yersinia, RT (28-30C) aerobic 48 hours
Campy media - Correct Answers -42C microaerophilic 48 hours
Hektoen Media - Correct Answers -35C 24 hours,
rt 24 hrs aerobic
Nosocomial infections - Nasal screen Plates - Correct Answers -MRSA or VRE
35C aerobic 48 hours
Nosocomial Infection - FECAL Vre, ESBL screens - Correct Answers -selective agar
35C
all aerobic 48 hours
GRam stain required - Correct Answers -Wound, anaerobic wound, genital, NSBF,
Sputum
Gram stain not required - Correct Answers -fecal, throat, urine
SBAP plate - Correct Answers -has hemolysis
strep pneumoniae - alpha hemolysis (green)
staph aureus - beta hemolysis (clearing)
enterococcus fecaelis - gamma hemolysis (no)
ANSWERS
F -> C - Correct Answers -5/9 (F - 32)
C -> F - Correct Answers -9/5C+32
K = C - Correct Answers -K = C + 273
Deca - Correct Answers -10^1
Hecto - Correct Answers -10^2
Kilo - Correct Answers -10^3
Mega - Correct Answers -10^6
Giga - Correct Answers -10^9
Tera - Correct Answers -10^12
Peta - Correct Answers -10^15
Exa - Correct Answers -10^18
Deci - Correct Answers -10^-1
Centi - Correct Answers -10^-2
Milli - Correct Answers -10^-3
Micro - Correct Answers -10^-6
Nano - Correct Answers -10^-9
Pico - Correct Answers -10^-12
Femto - Correct Answers -10^-15
Alto - Correct Answers -10^-18
,Heparin Uses - Correct Answers -chemistry, plasma testing, pregnancy, electrolytes,
venous gases, ammonia, osmotic testing
Urine Plates - Correct Answers -SBAP, MAC
Mac conditions - Correct Answers -35C, aerobic
SBAP conditions - Correct Answers -35C aerobic
Wound plates - Correct Answers -SBAP, CNA, MAC
CNA conditions - Correct Answers -35C aerobic
Anaerobic Wound Plates - Correct Answers -anaerobic agar, brucella, anaerobic 48 hrs
Brucella conditions - Correct Answers -35C anaerobic 48 hours
Brucella Medium - Correct Answers -enriched medium - pneumococci, streptococci
Mac medium - Correct Answers -selective/differential medium, grows lactose fermenters
crystal violet and bile salts inhibit gram +
CNA medium - Correct Answers -selective medium
Basic media - Correct Answers -nutrient agar, trypticase soy agar, blood agar bases,
brain heart infusion
Enriched media - Correct Answers -blood agar, chocolate agar, fildes agar, loefflers
slants
Enrichment media - Correct Answers -always FLUID, selenite F, 6.5% NACL
Selective media - Correct Answers -CNA, PEA, thayer martin
Selective/Differential Media - Correct Answers -Mac (prevents growth of gram +)
Hektoen, SS agar (salmonella)
Meuller-Hinton agar - Correct Answers -non selective/differential, supports all growth,
contains starches which absorb toxins from bacteria so no interference with antibiotics
disks
Composition of Media - Correct Answers -water, peptones, agar, buffers, salt
Additional ingredients of Media - Correct Answers -carbs, ph indicators, blood products,
extracts, supplements and selective agents
, Genital Vag - Non pregnant Media - Correct Answers -Trichomonas wet prep
Genital Vag - Pregnant Plates - Correct Answers -CNA - gbs screen, 35C aerobic
Genital Cervix/urethral Plates - Correct Answers -CNA
GC Agar
both 35C 5-10% CO2 48 hours
NSBF plates - Correct Answers -SBAP, Chocolate, anaerobic brucella
5-10% CO2 72 hrs
anaerobic 48hrs
Chocolate Media - Correct Answers -enriched medium
Respiratory Plates - Correct Answers -Throat - CNA
35C anaerobic 24 hours
Sputum Plates - Correct Answers -SBAP or CNA
Choc or MAC
35C 5-10% CO2
Fecal Plates - Correct Answers -Mac, Smac, Hektoen, CIN, CAmpy, GN broth
CIN media - Correct Answers -yersinia, RT (28-30C) aerobic 48 hours
Campy media - Correct Answers -42C microaerophilic 48 hours
Hektoen Media - Correct Answers -35C 24 hours,
rt 24 hrs aerobic
Nosocomial infections - Nasal screen Plates - Correct Answers -MRSA or VRE
35C aerobic 48 hours
Nosocomial Infection - FECAL Vre, ESBL screens - Correct Answers -selective agar
35C
all aerobic 48 hours
GRam stain required - Correct Answers -Wound, anaerobic wound, genital, NSBF,
Sputum
Gram stain not required - Correct Answers -fecal, throat, urine
SBAP plate - Correct Answers -has hemolysis
strep pneumoniae - alpha hemolysis (green)
staph aureus - beta hemolysis (clearing)
enterococcus fecaelis - gamma hemolysis (no)