Which cranial nerve is distinct for extending beyond the head and neck to innervate thoracic and abdominal viscera like the heart?
Q1. Which cranial nerve is distinct for extending beyond the head and neck to innervate thoracic and abdominal viscera like the heart?
Answer: Vagus nerve
Explanation: The vagus nerve is the tenth cranial nerve; the facial nerve is incorrect as it is the seventh cranial nerve.