ch13 - Chapter 13 MULTIPLE CHOICE. Choose the one...

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Unformatted text preview: Chapter 13 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) In the spinal cord, white matter is separated into ascending and descending tracts organized as A) nuclei. B) columns. C) nerves. D) ganglia. E) horns. 1) 2) Enlargements of the spinal cord occur A) adjacent to the anterior median fissure. B) in the sacral region. C) in those spinal segments that control the limbs. D) in the thoracic region. E) near the posterior median sulcus. 2) 3) The ________ is a strand of fibrous tissue that provides longitudinal support as a component of the coccygeal ligament. A) conus medullaris B) cauda equina C) dorsal root D) ventral root E) filum terminale 3) 4) The spinal cord consists of five regions and ________ segments. A) 12 B) 25 C) 31 D) 5 E) number varies widely among individuals 4) 5) The spinal cord continues to elongate until about age A) 10 years. B) 6 months. C) 4 years. D) 20 years. E) 2 months. 5) 6) The specialized membranes that surround the spinal cord are termed the A) epidural membranes. B) cranial meninges. C) spinal meninges. D) spinal mater. E) cranial mater. 6) 7) Blood vessels that supply the spinal cord run along the surface of the A) subarachnoid space. B) subdural space. C) dura mater. D) epidural space. E) pia mater. 7) 1 8) The outward projections from the central gray matter of the spinal cord are called A) wings. B) horns. C) fibers. D) tracts. E) pyramids. 8) 9) Axons crossing from one side of the spinal cord to the other within the gray matter are found in the A) gray commissures. B) lateral gray horns. C) posterior gray horns. D) white commissures. E) anterior gray horns. 9) 10) The white matter of the spinal cord contains A) sensory and motor nuclei. B) bundles of axons with common origins, destinations, and functions. C) both axons and dendrites. D) interneurons. E) bundles of dendrites with common origins, destinations, and functions. 10) 11) The outermost connective- tissue covering of nerves is the A) perineurium. B) epimysium. C) endomysium. D) endoneurium. E) epineurium. 11) 12) The dorsal root ganglia mainly contain A) cell bodies of motor neurons. B) axons of sensory neurons. C) cell bodies of sensory neurons. D) synapses. E) axons of motor neurons. 12) 13) The dorsal root of a spinal nerve contains A) axons of motor neurons. B) interneurons. C) axons of sensory neurons. D) cell bodies of sensory neurons. E) cell bodies of motor neurons. 13) 14) The ventral root of a spinal nerve contains A) axons of sensory neurons. B) axons of motor neurons. C) cell bodies of sensory neurons. D) cell bodies of motor neurons. E) interneurons. 14) 2 15) Spinal nerves are A) purely motor....
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ch13 - Chapter 13 MULTIPLE CHOICE. Choose the one...

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