A Green Colony with a Black Center Was Isolated and Presumptively

question 20

Multiple Choice

A green colony with a black center was isolated and presumptively identified as a Salmonella spp.The organism was serotyped with polyvalent antisera;however,the antisera tested negative for all antigens.What is the next course of action?

• A)Regrow the organism on sheep blood agar,and serotype again the next day.
• B)Make a suspension,and heat to 100°C for 10 minutes.
• C)Make a suspension,and place on ice for 30 minutes.
• D)Report the organism out as a nontypable Salmonella spp.

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Definitions:

Motor Cortex

The region of the cerebral cortex involved in the planning, control, and execution of voluntary movements.

Frontal Lobe

The part of the cerebral cortex that lies at the front of the brain and is involved in complex cognitive functions, including decision making, planning, and controlling social behavior.

Medulla

The innermost part of an organ or structure, especially the medulla oblongata part of the brainstem controlling vital bodily functions.

Breathing

The physiological process of inhaling oxygen and exhaling carbon dioxide from the body's respiratory system.