The Function of the Root Hair Plexus Is to _

question 8

Multiple Choice

The function of the root hair plexus is to _ .

• A)allow the hair to assist in touch sensation
• B)serve as a source for new epidermal cells for hair growth after the resting stage has passed
• C)bind the hair root to the dermis
• D)cause apocrine gland secretion into the hair follicle

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Definitions:

Elimination Half-life

The time required for the concentration or amount of a substance in the body to be reduced by half its initial value, important in understanding drug metabolism.

Therapeutic Half-life

Describes the duration required for the concentration or effectiveness of a drug in the body to reduce to half of its starting dose in the context of pharmacotherapy.

Distribution Half-life

The time it takes for a drug’s concentration to be reduced by half in the body’s tissues after it has been absorbed into the bloodstream, indicating the drug’s dispersion rate.

Glutamate

An important neurotransmitter in the brain, involved in learning, memory, and the regulation of the nervous system.