Blood and CSF Analysis

Which of the following is used to culture blood?

• MALDI-TOF

• BACTEC

• VITEK2

Pseudomas aeruginosa can grow in both aerobic and anaerobic BACTEC culture bottles.

• TRUE

• FALSE

After 3-day of incubation in BACTEC machine, any negative bottle should be reported no growth and discarded,

• TRUE

• FALSE

Metronidazole (MTZ) is used to differentiate between aerobic and facultative anaerobic bacteria.

• TRUE

• FALSE

DNase test is used to identify _________.

• Staphylococcus aureus

• Streptococcus agalactiae

• Pseudomonas aeruginosa

• Enterobacteriacea

Which of the following Gram-negative bacteria commonly cause blood infection?

• Salmonella sp.

• Pseudomonas sp.

• Bacillus sp.

• Proteus sp.

Identify the TRUE statement about meningitis caused by bacteria.

• High level of glucose

• High level of protein

• Low level of WBC

• No changes on CSF color

Identify the TRUE statement about meningitis caused by fungus.

• High level of glucose

• High level of protein

• Low level of WBC

• Cloudy CSF

Streptococcus pyogenes is the most common type of meningitis pathogen.

• TRUE

• FALSE

Predict the possible pathogen from blood.

i) Culture on Blood agar: Grow

ii) Culture on MacConkey: Grow

iii) Culture on MacConkey: Grow

iv) Gram's staining: Pink, rod shape

v) Oxidase test: Positive

vi) Lactose Fermentation: Negative

• Streptococcus pneumoniae

• E. coli

• Neisseria sp.

• Pseudomonas sp.