Which Is a Function of the Vagus (X) Nerve

question 73

Multiple Choice

Which is a function of the vagus (X) nerve?

• A) conveys impulses from taste buds on the posterior one-third of the tongue
• B) conveys impulses to visceral, cardiac, and skeletal muscles
• C) conveys motor impulses to laryngeal and pharyngeal muscles, and to the sternocleidomastoid and trapezius muscles
• D) controls movement of the tongue during speech and swallowing

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Definitions:

Chyme

Mix of food and gastric fluid.

Large Intestine

Organ that receives digestive waste from the small intestine and concentrates it as feces.

Mouth

The opening in an animal's body that is the beginning of the digestive tract, through which food is ingested.

Brush Border

A microvillar structure that lines the intestine's absorptive cells, enhancing the surface area for digestion and absorption of nutrients.