Which Statement About the Normal Microflora of the Respiratory System

question 35

Multiple Choice

Which statement about the normal microflora of the respiratory system is incorrect?

• A) below the larynx the microflora is resident while above it the microflora is transient
• B) healthy lungs are usually sterile
• C) the pharynx has the same microflora as the mouth
• D) the upper respiratory tract has a normal microflora similar to that of skin

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Definitions:

Unlearned Response

A natural, reflexive reaction that occurs without previous conditioning or learning, such as an instinctual or innate behavior.

Classical Conditioning

A conditioning process where two stimuli are paired together multiple times, leading to a response that was first triggered by the second stimulus to later be triggered by the first stimulus.

Unconditioned Stimulus

In traditional conditioning, a stimulus inherently and spontaneously elicits a reaction without needing prior knowledge.

Lime Margaritas

A cocktail made with lime juice, tequila, and triple sec, often served with salt on the rim of the glass.