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Multiple Choice
What is the largest and longest nerve in the human body?
A
Phrenic nerve
B
Ulnar nerve
C
Vagus nerve
D
Sciatic nerve
Verified step by step guidance
1
Identify the key characteristics of the nerve in question: largest and longest in the human body.
Review the anatomical location and function of each nerve option provided: Phrenic, Ulnar, Vagus, and Sciatic.
Understand that the Sciatic nerve is known for being the largest and longest nerve, running from the lower back through the buttocks and down the legs.
Compare the Sciatic nerve to the other options: the Phrenic nerve primarily controls the diaphragm, the Ulnar nerve runs along the arm, and the Vagus nerve extends from the brainstem to the abdomen.
Conclude that the Sciatic nerve, due to its extensive length and size, is the correct answer to the question.