The Layer of the Skin That Provides a Barrier Against

question 94

Multiple Choice

The layer of the skin that provides a barrier against bacteria as well as chemical and mechanical injuriesis the

• A) dermis.
• B) subcutaneous layer.
• C) epidermis.
• D) stratum basale.
• E) sebaceous layer.

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Definitions:

Dopamine

A neurotransmitter involved in many functions, including motivation, reward, and the regulation of mood and movement.

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response, affecting heart rate and blood pressure.

Sodium

A chemical element (Na) that is essential for life, often found in salt.

Neurotransmitters

Chemical messengers that transmit signals across synapses between neurons in the nervous system.