Fundamentals of Anatomy & Physiology (10th Edition)
10th Edition
ISBN: 9780321909077
Author: Frederic H. Martini, Judi L. Nath, Edwin F. Bartholomew
Publisher: PEARSON
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Chapter 13, Problem 4RQ
Summary Introduction
Introduction:
The spinal cord of adult is not as long as the vertebral column. It is a cord like structure present in the neural canal of the vertebral column. It does not extend too much in adults.
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Which of the following is NOT true in adults? (A) The tapering end of the spinal cord may terminate as high as T12 or as low as L3. (B) The first cervical nerves lack dorsal roots in 50% of people. (C) The coccygeal nerve may be absent. (D) The terminal filum is the vestigial rem- nant of the caudal part of the spinal cord that was in the tail of the embryo. (E) The spinal cord has a lumbar enlargement for the lower limb but no equivalent enlargement for the smaller upper limb.
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O oculomotor (1II)
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the bundle of fibers that the spinal cord continues down is called the ........................
Chapter 13 Solutions
Fundamentals of Anatomy & Physiology (10th Edition)
Ch. 13 - Name the structures of the central nervous system...Ch. 13 - Define spinal reflex.Ch. 13 - Identify the three spinal meninges.Ch. 13 - Prob. 4CPCh. 13 - Prob. 5CPCh. 13 - Differentiate between sensory nuclei and motor...Ch. 13 - Prob. 7CPCh. 13 - Prob. 8CPCh. 13 - Prob. 9CPCh. 13 - Prob. 10CP
Ch. 13 - Injury to which of the nerve plexuses would...Ch. 13 - Compression of which nerve produces the sensation...Ch. 13 - Prob. 13CPCh. 13 - Prob. 14CPCh. 13 - Prob. 15CPCh. 13 - Prob. 16CPCh. 13 - Prob. 17CPCh. 13 - Prob. 18CPCh. 13 - Prob. 19CPCh. 13 - Prob. 20CPCh. 13 - Prob. 21CPCh. 13 - Prob. 22CPCh. 13 - Prob. 23CPCh. 13 - LEVEL 1 Reviewing Facts and Terms 1. Label the...Ch. 13 - Prob. 2RQCh. 13 - Prob. 3RQCh. 13 - Prob. 4RQCh. 13 - Prob. 5RQCh. 13 - Prob. 6RQCh. 13 - Prob. 7RQCh. 13 - Prob. 8RQCh. 13 - Prob. 9RQCh. 13 - Prob. 10RQCh. 13 - The reflexes that control the most rapid,...Ch. 13 - Prob. 12RQCh. 13 - Prob. 13RQCh. 13 - Prob. 14RQCh. 13 - Proceeding deep from the most superficial...Ch. 13 - Prob. 16RQCh. 13 - Prob. 17RQCh. 13 - Polysynaptic reflexes can produce far more...Ch. 13 - Prob. 19RQCh. 13 - Prob. 20RQCh. 13 - Prob. 21RQCh. 13 - Prob. 22RQCh. 13 - Prob. 23RQCh. 13 - Prob. 24RQCh. 13 - Prob. 25RQCh. 13 - Prob. 26RQCh. 13 - Prob. 27RQCh. 13 - Prob. 28RQCh. 13 - The improper use of crutches can produce a...Ch. 13 - Prob. 30RQCh. 13 - Karen falls down a flight of stairs and suffers...Ch. 13 - Will Joe regain motor or sensory activity in his...Ch. 13 - Prob. 2CC
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- Sketch the spinal cord in cross section, and label the following structures: (a) lateral funiculus of white matter, (b) ventral root, (c) ventral horn of gray matter, (d) central canal, (e) dorsal root ganglion, (f) dorsal column tracts: fasciculus gracilis and fasciculus cuneatus, (g) ventral corticospinal tract, (h) lateral corticospinal tract.arrow_forwardChoose the correct answer, and explain why it is correct. Through which pair of intervertebral foramina do spinal nerves L5 leave the vertebral canal? (a) holes in the sacrum, (b) just superior to vertebra L5, (c) just superior to S1, (d) just inferior to S4.arrow_forwardSelect the best answer or answers from the choices given: Destruction of the ventral horn cells of the spinal cord results in loss of (a) integrating impulses, (b) sensory impulses, (c) voluntary motor impulses, (d) all of these.arrow_forward
- Which of the following parts of a neuron occupies the gray matter in the spinal cord? (a) tracts of long axons, (b) motor neuron cell bodies, (c) sensory neuron cell bodies, (d) nerves.arrow_forwardThe posterior funiculus is another name for which part of the spinal cord?arrow_forwardA 63-year-old woman comes to the physician because of low back pain for 5 days. While she sits upright on the examination table, there is weakness of the right lower extremity when she extends it at the knee against the physician's resisting hand, Injury to which of the following nerves most likely accounts for this weakness? A) Common fibular (peroneal) B) Femoral C) Obturator D) Sciatic E) Tibialarrow_forward
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- Identify the Golgi tendon reflex (which is an innate reflex) as (a) spinal or cranial, (b) somatic or visceral, (c) monosynaptic or polysynaptic, and (d) ipsilateral or contralateral.arrow_forwardHow many spinal nerves are there in a body?arrow_forwardMatch the cranial nerves to the body parts or functions that they affect. More than one nerve pair may correspond to the same structure or function. (1) olfactory nerves (I) (2) optic nerves (II) (3) oculomotor nerves (III) A. vision B. hearing and equilibrium C. muscles of the larynx, pharynx, soft palate, sternocleidomastoid and trapezius muscles (4) trochlear nerves (IV)(5) trigeminal nerves (V)(6) abducens nerves (VI)(7) facial nerves (VII)(8) vestibulocochlear nerves (VIII)(9) glossopharyngeal nerves (IX)(10) vagus nerves (X)(11) accessory nerves (XI)(12) hypoglossal nerves (XII)D. heart, various smooth muscles and glands in the thorax andabdomenE. taste, facial expressions, secretion of tears and salivaF. sense of smellG. tongue movements and swallowingH. face and scalpI. eye movementsarrow_forward
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