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A 21-year-old patient presents with pharyngitis. A throat swab is collected and submitted for anaerobic culture. This specimen should be:

A child was bitten on the arm by one of her siblings. A wound culture was ordered and the gram stain revealed slender gram negative rods. Culture characteristics noted: growth on blood agar with colonies that “pit” the agar and smelled like bleach. Catalase test was negative and oxidase positive. The most likely identification of this organism is:

Which biochemical spot test differentiates Enterococcus sp. from Viridans Streptopcoccus?

Which of the following organisms does not require susceptibility testing to the antimicrobial indicated when isolated from a clinically significant source?

Gram stain examination from a blood culture bottle shows dark blue, spherical organisms in clusters. Growth on BAP shows small, round, yellow to cream colonies. Further testing should include:

Complete lysis of the red blood cells in the Blood Agar Plate (BAP) is known as what type of hemolysis?

Which two diseases are usually preceded by infection with a beta-hemolytic streptococci?

Upon review of a sputum gram stain, the technician notes that all the neutrophil nuclei in the smear are stained dark purple. The best explanation for this finding is:

A cerebrospinal fluid specimen containing only 2 drops of CSF was collected by a lumbar puncture from a febrile 25-year-old male and was submitted for a stat gram stain and culture. The direct specimen gram stain was reported as many neutrophils and no microorganisms seen. The remaining drop of CSF should be inoculated to:

The MacConkey (MAC) plate is considered what type of media?