What are viruses that have a tube-like structure surrounding their spiral nucleic acids called?

Why are viruses rarely grown in labs anymore?

Tamiflu is used to treat which virus?

What is the most common specimen collected for parasitology?

True or false. The infective stage of a protozoan is called a trophozoite.

Which of the following is not routinely screened for on a parasitology screen in Canada?

ID this trophozoite.

Name this parasite

What antimicrobial is commonly used to treat parasitic infections?

What microorganism exhibits falling leaf motility?

Which term best described the motility of Trichomonas vaginalis?

When performing a germ tube, the presence of at least how many germ tubes must be seen to call it positive?

What microorganism can be identified using this structure?

What does calcofluor white have an affinity for?

Which of the following tests would NOT be useful in the identification of Cryptococcus neoformans?

Identify the fungus.

Identify the fungus.

Identify the fungus.

Identify the dimorphic fungus.

Identify the dimorphic fungus.

Identify the dimorphic fungus.

Identify the dimorphic fungus.

Which of the following is a common antifungal agent used for dermatophyte infections?

What is the primary function of the beta-lactam ring in beta-lactam antibiotics?

Which antibiotic is particularly useful in treating penicillin-resistant Gram-positive bacteria?

Why should patients taking aminoglycosides have their drug levels closely monitored?

A bacterium possesses the enzyme carbapenemase. Which antibiotic will be ineffective at treatment?

True or false. Beta-lactamase prevents Vancomycin from being an effective treatment option.

What antimicrobial would best be used to treat a parasitic infection caused by Giardia lamblia?

True or false. If you use a 0.3 McFarland equivalent suspension to make a susceptibility, the zone sizes will be falsely enlarged.

What susceptibility medium is used for S. pneumoniae that is an approved CLSI modification?

Name that organism

Name that organism.

Name that organism.

Name that organism.

Review the following work sheet. What identification test should be performed next?

BA: (M) small grey AH, mucoid

Gram: Gram positive cocci in pairs

Catalase: negative

Bile Solubility: soluble

What confirmation test should be performed for this isolate?

BA: (A) small grey BH

Gram: Gram positive cocci in chains

Catalase: negative

PathoDX: A: negative

B: positive

What mechanism of resistance is responsible for a positive D-zone?

True or false. A large presence of squamous epithelial cells (SECs) in a direct Gram is suggestive of severe infection.

A direct Gram of a wound swab showed abudant Gram positive cocci in clusters. What would you expect the growth on the BA to look like?

The ELEK test is used to confirm the identification of what bacterial organism?

Which of the following tests is most appropriate to differentiate Streptococcus pneumoniae from other alpha-hemolytic streptococci?

What bacteria is this test used to identify?

A key symptom associate with this disease is 'rice water stool'.

What can you determine from this triple sugar iron slant?

A technologist reported Escherichia coli based on the following test results.
Gram: gnb

Oxidase: negative

TSI: A/A gas

Motility = pos

Indole = pos

Lysine = pos

Urea = pos

Citrate = neg

What test needs to be repeated for this ID to be valid?

Which of the following colonial morphologies is suggestive of Proteus mirabilis?

Interpret this nitrate reductase test.

Note; Sulfanilic acid, a-napthylamine and zinc dust were added to the tube)

A shiny grey BH bacteria is growing on the BA and has a grape-like odor. What is the expected oxidase result?

What is the treatment of choice for Stenotrophomonas maltophilia?

Which Gram stain most closely resemble Acinetobacter baumannii?

What test is used to differentiate between Haemophilus influenzae and Haemophilus parainfluenzae?

An anaerobic bacteria growing on the VITK fluoresces chartreuse. What is the most likely identification of this organism?

Interpret the following aerotolerance test:
CHOC: sm grey

VITK: sm grey

Gram: Gram positive cocci

A Gram-negative cocci organism is Butyrate esterase positive. What is the likely identification.

Interpret the MIL

An organism growing on VITK after 10 days shows white colonies that resemble a molar tooth. Sulfur granules were noted in the aspirate that was submitted.

What is the Gram stain of this organism?

Name the organism that was isolated from a urine sample:

BA: grey glistening NH, mucoid

MAC: LF mucoid

Oxidase: negative

TSI: A/A gas

Motility: nonmotile

Indole: positive

Lysine: positive

VP: positive

What is the presumptive organism ID?

BA: grey NH, lavender-green hue

Gram: gnb

Oxidase: negative

OF: Oxidizer

Nitrate: variable

Motility: motile

MAC: NLF

A mannitol fermenter is seen on the Cefsulodin-Irgasan-Novobiocin agar. What biochemical test would help differentiate the stool pathogen from NF?

What biochemical test can help differentiate Peptostreptococcus anaerobius from other anaerobic Gram-positive cocci?

What bacteria appears as Gram ghosts when stained with the Gram stain?

A bacteria has a fried-egg appearance on media and is arginine hydrolysis positive. What is the name of the organism?

What environmental Gram negative bacillus grows on BCYE agar as mottled ground glass?

Which member of the AACEK group pits the agar and has a bleach-like odor?

Which of the following are considered Risk Group 3 pathogens?

Which spirochete causes acute necrotizing ulcerative gingivitis?

The spirochete Borrelia burgdorferi is responsible for causing what disease?