A Physician Sends a Stool Sample to Your Lab,and Wants

question 10

Multiple Choice

A physician sends a stool sample to your lab,and wants to know if there are lactose fermenting microbes in the sample.How might you determine if these microbes are present or not from this mixed-microbe specimen?

• A)Streak the sample for isolation on Thayer-Martin agar (which contains lactose and particular antibiotics for selectivity).
• B)Streak the sample for isolation on a blood agar plate (which contains lactose AND red blood cells that enrich the culture for iron).
• C)Streak the sample for isolation on a MacConkey agar plate (which contains lactose and a pH indicator that turns pink when acid byproducts are present).
• D)None of the above would work-there's no way to reliably determine this feature from the specimen given.

Grasp the importance and implications of financial statement analysis for assessing company performance and risk.

Realize the importance of timely and unbiased financial reporting in decision-making processes.

Comprehend the application of analytic review procedures in evaluating financial information.

Understand the significance of fundamental analysis in estimating company value.

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Definitions:

Methyl Azide

An organic compound with the formula CH3N3, used in the synthesis of various nitrogen-containing compounds.

Formal Charges

A concept used in chemistry to assign charges to atoms within molecules, based on a bookkeeping formalism.

HCC Bond Angle

The geometric angle between hydrogen-carbon-carbon atoms in a molecule, commonly found in hydrocarbons.

Sex Pheremones

Chemical substances secreted by an organism that influence the sexual behavior or physiological state of another organism of the same species.