In a Clinical Microbiology Lab, What Is the First Step

question 88

Multiple Choice

In a clinical microbiology lab, what is the first step in identification of a pathogen from a patient sample?

• A) Simple Stain to determine cell size, shape and arrangement
• B) Negative stain to determine presence of capsule
• C) Gram stain for morphological analysis of cell wall plus size, shape and arrangement
• D) Flagellar stain to determine presence of flagella

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Definitions:

Coefficient Of Determination

A measure that assesses the proportion of the variance in the dependent variable that is predictable from the independent variable(s).

Degrees Of Freedom

The number of independent values or quantities that can vary in the calculation of a statistic, often related to the sample size.

Degrees Of Freedom

The number of independent values in a statistical calculation that can vary without violating any imposed restrictions.

Independent Variables

Independent Variables are variables in an experiment or model that are manipulated or categorized to determine their effect on dependent variables.