A Microbiologist Inoculates Staphylococcus Aureus into a Culture Medium

question 55

Multiple Choice

A microbiologist inoculates Staphylococcus aureus into a culture medium. Following incubation, both Staphylococcus aureus and Staphylococcus epidermidis are determined to be growing in this culture. What is the most likely explanation?

• A) The culture was contaminated.
• B) The culture medium was selective.
• C) The incubation temperature was incorrect.
• D) The culture medium was differential.
• E) The microbiologist used too much inoculum.

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Definitions:

Systematic Desensitization

A behavior therapy used to reduce phobic and anxiety responses through gradual exposure to the feared stimulus, paired with relaxation exercises.

Complex Behaviors

Actions or reactions that involve a combination of skills and attributes such as emotional, cognitive, and social components, resulting in intricate or complicated responses to stimuli.

Flooding

A therapeutic technique used in behavioral therapy to treat phobias and anxiety, involving prolonged exposure to a feared object or situation until the fear response is extinguished.

Cognitive Theorists

Scholars or researchers who focus on the study of mental processes, including perception, memory, thought, and problem-solving, to understand human behavior.