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In a disc diffusion susceptibility testing, the size of the zone of inhibition is directly correlated to the relative effectiveness of an antibiotic against the microorganism. Which statement is TRUE?

Match the following historical figure to their discovery which helped in the development of microbiology.

Investigators have shown that when one member of a household chronically takes an antibiotic to treat acne, the concentration of antibiotic resistant bacteria on the skin of other family members increases. This would occur because:

One major structural difference between prokaryotic and eukaryotic cells is  

Which statement is FALSE regarding Streptococcus pyogenes?

Which mechanism can slow the development of resistant organisms, like MRSA?

Case Study 3: Answer the following questions based upon the following clinical microbiology report: DATE: 10/25/2008  21:22:13                                          bioMerieux Vitek 2 Lab Report PATIENT NAME: HARRIET MORGAN PATIENT ID00000000 SEX: F DOB: 01/01/1931 AGE: 81Y ROUTINE CULTURE  SPECIMEN: URINE  COLONY COUNT= >100,000 CFU/ML  ISOLATE: STAPHYLOCOCCUS AUREUS  SUSCEPTIBILITY TEST DRUG MIC(mcg/ml) INTERPRETATION ROUTE/DOSAGE AMPICILLIN  >=16 R PO/IV250-500MGQ6H CIPROFLOXACIN >=4 R IM/IV0.5-1.0GMQ8H ERYTHROMYCIN >=8 R PO250-500MGQ6H GENTAMICIN =8 R PO400MGQ12H PENICILLIN G >=16 R IV2.0-3.0GMQ4-6H RIFAMPIN

BONUS: If you wanted to trap bacteria on a membrane filter, while letting viruses pass through, a reasonable membrane pore size would be:

This oxidase-positive, gram negative fermenter is a fish pathogen. It occasionally causes gastrointestinal disease and infections in patients exposed to contaminated water.

Which of the following epidemiology definitions is INCORRECT?