If there is to be a delay of some hours before stool specimens can reach the laboratory, the specimen should be placed into:

A 57 year old alcoholic patient is suffering from pneumonia. The Gram stain of the sputum specimens show >25 neutrophils / LPF and 10-24 epithelial cells/ LPF. Bacterial evaluation under oil immersion demonstrated

A bloody stool is submitted to the microbiology laboratory for culture. Along with the routine set-up a culture on MAC with sorbitol is ordered. What is the suspected pathogen, and how would it appear on the plate if it is present?

A catheterized urine is inoculated onto BAP and MAC agar using a 0.01 mL loop. After 24 hours, 10-99 colonies of a small, translucent, non-hemolytic organism grew on BAP but not on MAC. Testing reveals small, gram-positive, catalase-negative cocci. The preliminary report and follow-up testing would be:

Which of the following toxins facilitates in the adhesion of Bordetella pertussis to ciliated epithelial cells?

Which of the following statements are TRUE about Chlamydia? I. Chlamydia are deficient in energy metabolism and are considered to be intracellular parasites. II. EB is the metabolically active, replicating form. III. When an infected host cell ruptures, RBs are released and can go on to infect more host cells. IV. EB is resistant to harsh environmental factors. V. The EB is rougly 0.3 μm in diamter.

If vancomycin is used for more than 3 days, the patient should be monitored for toxicity by obtaining a blood sample drawn within 30 minutes of the next dose. This measurement is called:

In general, which antibiotic would be the best choice to use to treat an infection caused by a Gram-Negative organism?

Postmarketing reports from the Federal Food and Drug Administration (FDA) warn of tendinitis and rupture of the Achilles tendon associated with ____________________ use in the general population, and the risk is greater in patients older than 60 years, those on concomitant steroid therapy, and transplant recipients.

In which of the following climates (BWk, Cfa, Af, Dwd, Cwb, ET) would you encounter the smallest annual temperature range?