Chapter 11, Problem 5IA

Summary Introduction

To explain:

How the reflexes, the biceps-jerk reflex, which employs motor neurons that exit from the spinal cord in the fifth spinal nerve and the triceps-jerk reflex, which involves motor neurons in the seventh spinal nerve be used to help locate the site of damage in a patient with a neck injury.

Introduction:

The thirty-one pairs of the nerves constitute the spinal nerve, which is responsible for transmitting information to and from the brain. These nerves are grouped and numbered according to the level of vertebrae from which they arise.