BIO 253 Test 4 Physiology UPDATED ACTUAL Exam Questions and CORRECT Answers

BIO 253 Test 4 Physiology UPDATED
ACTUAL Exam Questions and CORRECT
Answers
subarachnoid space of meninges - CORRECT ANSWER - contains cerebrospinal fluid



epidural space of spinal cord - CORRECT ANSWER - contains adipose tissue



cervical and lumbar regions of spinal cord - CORRECT ANSWER - areas of spinal cord
enlargements


thoracic segment of spinal cord - CORRECT ANSWER - area with no spinal cord
enlargement


posterior root of spinal nerve - CORRECT ANSWER - contains sensory fibers;
AFFERENT pathway


anterior root of spinal nerve - CORRECT ANSWER - contain axons of MOTOR neurons,
which conduct nerve impulses from the CNS to effectors (muscles and glands); EFFERENT
pathway


ramus communicans - CORRECT ANSWER - branch of a spinal nerve, connects to
SYMPATHETIC (AUTONOMIC) trunk and innervates viscera


cervical plexus - CORRECT ANSWER - gives rise to the phrenic nerve



brachial plexus - CORRECT ANSWER - gives rise to the nerves that innervate the upper
limb, including the median nerve


lumbar plexus - CORRECT ANSWER - gives rise to the femoral nerve