The Gate -Control Theory of Pain Modulation States That

question 175

Multiple Choice

The gate -control theory of pain modulation states that

• A) painful somatic signals can inhibit signals of pain.
• B) the signal that modifies pain sensation in the spinal cord must originate from the nucleus raphe magnus.
• C) non -painful somatic signals can inhibit signals of pain.
• D) pain sensation must be modified within the sensory receptors.
• E) C fibers themselves can act to modify their own pain signal.

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Definitions:

Lamellated Corpuscle

A nerve ending in the skin responsible for sensitivity to vibration and pressure.

Dermal Papilla

Small, nipple-like extensions of the dermis into the epidermis that supply blood and nourishment to the epidermal layer.

Hypodermis

The deepest layer of the skin, containing fat and connective tissue, providing insulation and cushioning to the body.

Reticular Layer

The deep layer of the two in the dermis of the skin, which supports the skin's structure.