If a Microbiology Lab Technician Left the Crystal Violet Out

question 37

Multiple Choice

If a microbiology lab technician left the crystal violet out of the Gram stain procedure, what would be the result?

• A) All cells would be pink.
• B) All cells would be purple.
• C) Gram- positive cells would be pink and Gram- negative cells would be purple.
• D) Gram- positive cells would be colorless and Gram- negative cells would be pink.
• E) Gram- positive cells would be purple and Gram- negative cells would be colorless.

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Definitions:

Placebo Effects

Phenomena where an individual experiences a beneficial effect from a treatment that has no therapeutic properties, due to their belief that they are receiving an active treatment.

Statistical Artifacts

Distortions or inaccuracies in statistical data that result from the method of collecting or interpreting data.

Meta-Analytic Controls

Techniques in research that allow for the combination and comparison of results from different studies to identify patterns, disparities, or overall effects.

Placebo Effects

The beneficial effects in a patient following a treatment that arise from the patient's expectations rather than from the treatment itself.