Splanchnic Nerves

question 20

Multiple Choice

Splanchnic nerves

• A) originate from first-order neurons located in the upper five thoracic segments of the spinal cord.
• B) innervate the viscera or internal organs.
• C) control sympathetic function of structures in the thorax.
• D) connect chain ganglia.
• E) are formed of parasympathetic fibers.

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Definitions:

Vitamin A

A fat-soluble vitamin essential for growth, immune function, eye health, and skin maintenance.

Retinex Theory

A theory explaining color vision based on the processing of visual information as a way of estimating the colors and brightness of objects under different lighting conditions.

Apparent Color

The color of an object as it is perceived by the human eye, which can differ under varying lighting conditions.

Fovea

A small depression in the retina where visual acuity is highest, due to the high density of cones (photoreceptor cells responsible for color vision).