Bacteriology/Immunology
Molecular
Processing/DT
AFB/Mycology
100

The biochemical test that distinguishes Staphylococcus from Streptococcus is...

catalase

100

If a patient is positive for Influenza A, what test is reflexed?

H5N1

100

What flag do you need to put when processing a pediatric blood bottle?

no anaerobic bottle

100

What makes mycobacteria different than bacteria?

thick waxy cell wall rich with mycolic acids

200

This gram stain result is diagnostic for Neisseria gonorrhoeae in males...

intracellular gram-negative diplococci

200

What pathogens are part of the VP test?

Bacterial vaginosis, Candida spp., Trichomonas vaginalis

200

When working up a blood culture, what plates do you need if you see GPC and GNB on gram stain?

BAP, CHOC, BBA, MAC, CNA

200
This mycobacteria is generally non-pathogenic, a scotochromogen, and known as "tap water" mycobacterium...

Mycobacterium gordonae

300

Considering the following results, what stage of infection does this patient have?

Positive HBsAg

Negative Anti-HBc IgM

Positive Anti HBc

Chronic HepB infection

300

What are the 3 steps of PCR?

Denaturation, annealing, and extension

300

What plates are added and why for tissue cultures with sources below the knees and hands?

30 degree chocolate and 7H11 for Mycobacterium marinum

300

zoophilic fungus

Microsporum canis 

400

What organism grows well on chocolate, causes genital ulcer disease, and requires X factor?

Haemophilus ducreyi

400

Which of the following pathogens would use reverse transcriptase PCR?

A: Herpes simplex virus

B: Coronavirus

C: CMV

Coronavirus since it is an RNA virus

400

What plate should be added for bile/gallbladder source?

Hektoen

400

This type of Aspergillus species is dark green and can grow up to 50 degrees celsius

Aspergillus fumigatis

500

A patient who recently ate raw fish is experiencing stomach pain and diarrhea. A gram stain shows curved gram-negative rods and is sucrose negative. What is it?

Vibrio parahaemolyticus

500

What methodology does the biofire use?

Melt curve analysis

500

You have a sputum culture with numerous epithelial cells, very numerous PMNs, and predominant GNB. What would you do?

Not reject due to the PMNs that are 10x greater than the epis and a predominant organism

500

A patient with a lung infection recently visited the Midwest and was hiking in an area with lots of bird/bat droppings. What fungus is this caused by?

Histoplasma capsulatum