MLS 5201 EXAM 3 QUESTIONS AND ANSWERS 2026
Correct 126
Incorrect 00
1 of 126
Term
Principle of Citrate Test
Give this one a try later!
Ability to use Citrate as sole Indicate DNA is broken down to
carbohydrate Nucleotides
Enterotoxins may last 2 years Aggregates(Stacks) between cells
Infantile Diarrhea Diarrhea
Don't know?
2 of 126
,Definition
MAC and HEA to select and differentiate between pathogens and
normal flora
Give this one a try later!
Primary plated for Stool and GI
Lactose Fermenter: Serratia Lab ID
specimens
Steps of Lactose Utilization in ONPG Lactose Fermenter: Citrobacter
Test freundii Lab ID
Don't know?
3 of 126
Term
Confluent
Give this one a try later!
Proteus moved and covered Incubate Urea Broth
plate Positive Pink
K. pneumoniae
S. Typhi carrier (in Gallbladder)
K. oxytoca
, Don't know?
4 of 126
Term
Shigella sonnei
Give this one a try later!
MAC
Group D
ONPG
Opportunistic Pathogen
Group A Fecal Oral Route
Person to Person
Don't know?
5 of 126
Term
Lactose Fermenter: Citrobacter freundii Lab ID
Give this one a try later!
, Very Mucoid
Indole- Pos 1) Beta Galactoside Permease
Citrate- Pos through cell wall
Ornithine- Neg 2) Beta Galactosidase to Break down
Motility- Neg
MAC- Some Delayed Lac Pos
K-Capsular Antigen Citrate- Pos
O-Somatic Antigen Indole- Neg
H-Flagellar Antigen H2S- Pos
Ornithine- Neg
Don't know?
6 of 126
Term
Typhoid Mary
Give this one a try later!
Y. enterocolitica
Don't use colonies from MAC
Y. pestis
ID late Lactose Fermenters S. Typhi carrier (in Gallbladder)
Don't know?
7 of 126
Correct 126
Incorrect 00
1 of 126
Term
Principle of Citrate Test
Give this one a try later!
Ability to use Citrate as sole Indicate DNA is broken down to
carbohydrate Nucleotides
Enterotoxins may last 2 years Aggregates(Stacks) between cells
Infantile Diarrhea Diarrhea
Don't know?
2 of 126
,Definition
MAC and HEA to select and differentiate between pathogens and
normal flora
Give this one a try later!
Primary plated for Stool and GI
Lactose Fermenter: Serratia Lab ID
specimens
Steps of Lactose Utilization in ONPG Lactose Fermenter: Citrobacter
Test freundii Lab ID
Don't know?
3 of 126
Term
Confluent
Give this one a try later!
Proteus moved and covered Incubate Urea Broth
plate Positive Pink
K. pneumoniae
S. Typhi carrier (in Gallbladder)
K. oxytoca
, Don't know?
4 of 126
Term
Shigella sonnei
Give this one a try later!
MAC
Group D
ONPG
Opportunistic Pathogen
Group A Fecal Oral Route
Person to Person
Don't know?
5 of 126
Term
Lactose Fermenter: Citrobacter freundii Lab ID
Give this one a try later!
, Very Mucoid
Indole- Pos 1) Beta Galactoside Permease
Citrate- Pos through cell wall
Ornithine- Neg 2) Beta Galactosidase to Break down
Motility- Neg
MAC- Some Delayed Lac Pos
K-Capsular Antigen Citrate- Pos
O-Somatic Antigen Indole- Neg
H-Flagellar Antigen H2S- Pos
Ornithine- Neg
Don't know?
6 of 126
Term
Typhoid Mary
Give this one a try later!
Y. enterocolitica
Don't use colonies from MAC
Y. pestis
ID late Lactose Fermenters S. Typhi carrier (in Gallbladder)
Don't know?
7 of 126
