Washington Esthetician State Board Practice Exam

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What is another name for the vagus nerve?

Tenth cranial
Second cranial
Fifth cranial
Eighth cranial

The correct answer is: Tenth cranial

The vagus nerve is commonly referred to as the tenth cranial nerve. It plays a critical role in the autonomic nervous system, influencing various bodily functions such as heart rate, digestion, and respiratory rate. The name "vagus" comes from the Latin word meaning "wandering," which reflects how this nerve extends from the brainstem to various organs throughout the body, including the heart, lungs, and digestive tract. Recognizing the vagus nerve as the tenth cranial nerve is essential for understanding its anatomical location and physiological functions, making it a key component in both anatomy and the study of the nervous system. The other options refer to different cranial nerves, each with distinct names and functions.