What Is the Main Reason for the Presence of a Pimple

question 78

Multiple Choice

What is the main reason for the presence of a pimple?

• A) all of these are reasons for the presence of a pimple
• B) increased production of sebum
• C) increased levels of hormones
• D) the presence of Propionibacterium acnes
• E) inflammatory response

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Definitions:

Wavelength

The distance between successive peaks of a wave, often used in the context of light, sound, and electromagnetic waves.

Hue

A color or shade in the spectrum, defined by its dominant wavelength.

Brightness

A visual perception that describes how light or dark a color appears; can also refer to the intensity of light.

Difference Threshold

The minimal detectable difference needed to discriminate between two stimuli.