Nervous System Case Study Questions and Correct Answers Which of the following is NOT a part of the central nervous system? a. Brain b. Spinal Cord c. Heart d. Neural Tissue c. Heart True or False: A motor signal sent from the brain to effector tissue is also called an afferent signal. False Spinal cord injuries can result from an injury to which of the following? a. Vertebrae b. Vertebral ligaments c. Vertebral discs d. All of the above d. All of the above Which of the following scans/tests would probably NOT be used to diagnose a spinal cord injury? a. DEXA scan b. MRI c. X-ray d. CT scan a. DEXA scan Which of the following is NOT an immediate treatment consideration after a spinal cord injury? a. Immobilizing the neck and spine b. Minimizing muscle spasticity c. Preventing shock d. Maintaining breathing b. Minimizing muscle spasticity Which of the following is NOT a symptom of spinal cord injury? a. Under-exaggerated reflexes b. Loss of urinary controlc. Sexual dysfunction d. Difficulty breathing a. Under-exaggerated reflexes Which is the most common cause of spinal cord injury? a. Fall from great height b. Acts of violence (e.g. gunshot or stab wound)