Chapter 14 The Spinal Cord

Chapter 14 The Spinal Cord - Chapter 14 The Spinal Cord and...

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Chapter 14 The Spinal Cord and Spinal Nerves Student: ___________________________________________________________________________ 1. From superficial to deep, the meninges occur in the order A. dura mater, pia mater, arachnoid. B. dura mater, arachnoid, pia mater. C. pia mater, dura mater, arachnoid. D. pia mater, arachnoid, dura mater. E. arachnoid, pia mater, dura mater. 2. Most lower motor neurons are located in A. the ventral horns of the spinal cord. B. the dorsal horns of the spinal cord. C. the diencephalon. D. the primary motor cortex. E. the medulla oblongata. 3. The spinal cord is divided into all of the following regions except A. cervical. B. thoracic. C. lumbar. D. pelvic. E. sacral. 4. The signals that control your handwriting travel down the spinal cord in A. the tectospinal tracts. B. the corticospinal tracts. C. the spinocerebellar tracts. D. the fasciculus gracilis. E. the vestibulospinal tracts. 5. The epidural space in the spinal column is occupied by A. adipose tissue. B. cerebrospinal fluid. C. the dura mater. D. dense regular connective tissue. E. the spinal cord.
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6. If the name of a spinal tract begins with the root spino, A. it consists of descending fibers. B. it is a motor pathway. C. it is a sensory pathway. D. its fibers do not extend beyond the spinal cord. E. its fibers form a spinal nerve. 7. What information is carried in the gracile fasciculus? A. descending motor commands to limb muscles for balance and posture B. sensory signals from below level T6 for visceral pain, touch, and proprioception from the lower limbs C. sensory signals from level T6 and up for pain, touch, and proprioception D. signals for light touch, tickle, and temperature from the upper limbs E. motor commands for fine control of limb muscles 8. Where does the spinal cord end? A. the lumbar enlargement B. the cauda equina C. the filum terminale D. the medullary cone E. the dorsal median sulcus 9. Which part of the spinal cord contains somas of somatic motor neurons? A. the arachnoid B. the dorsal horns C. the ventral horns D. the lateral horns E. the spinothalamic tract 10. What is found in the central canal of the spinal cord? A. astrocytes B. oligodendrocytes C. blood plasma D. cerebrospinal fluid E. meningeal fluid
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11. You step on a sharp pin. What pathway does the pain signal follow? A. spinothalamic tract; thalamus; cerebral cortex B. cuneate fasciculus; medulla oblongata; thalamus; cerebral cortex C. gracile fasciculus; medulla oblongata; cerebral cortex D. dorsal spinocerebellar tract; cerebellum E. cerebral cortex; lower motor neuron; ventral horn 12. What role does a first-order neuron play in the passage of a sensory signal to the brain? A. The first-order neuron carries the sensory signal to the thalamus. B. The first-order neuron detects the stimulus and transmits a signal to the spinal cord or brain-stem.
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Chapter 14 The Spinal Cord - Chapter 14 The Spinal Cord and...

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