Human Anatomy (9th Edition)
9th Edition
ISBN: 9780134320762
Author: Frederic H. Martini, Robert B. Tallitsch, Judi L. Nath
Publisher: PEARSON
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Textbook Question
Chapter 15, Problem 12RFT
Which of the following are spinal tracts within the subconscious motor pathways?
(a) vestibulospinal tracts
(b) tectospinal tracts
(c) medial reticulospinal tracts
(d) all of the above
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Chapter 15 Solutions
Human Anatomy (9th Edition)
Ch. 15 - Match each numbered item with the most closely...Ch. 15 - Prob. 2RFTCh. 15 - Match each numbered item with the most closely...Ch. 15 - Prob. 4RFTCh. 15 - Prob. 5RFTCh. 15 - Match each numbered item with the most closely...Ch. 15 - Prob. 7RFTCh. 15 - Prob. 8RFTCh. 15 - Match each numbered item with the most closely...Ch. 15 - Prob. 10RFT
Ch. 15 - Prob. 11RFTCh. 15 - Which of the following are spinal tracts within...Ch. 15 - Prob. 13RFTCh. 15 - 14. Give the anatomical names of the spinal tracts...Ch. 15 - Prob. 1RCCh. 15 - Prob. 2RCCh. 15 - Why do the proportions of the sensory homunculus...Ch. 15 - Prob. 4RCCh. 15 - 5. Compare the actions directed by motor commands...Ch. 15 - Prob. 1CTCh. 15 - As a result of a snowboarding accident, John is...
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- 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_forwardAnatomy and Physiology motor areas of the cortex are located .............to the .............. sulcus choices a. anterior, central b. anterior, hypocampal c. posterior, central d. anterior, cyngulatearrow_forward(a) What are the superior and inferior boundaries of the spinal cord in the vertebral canal? (b) A correctly executed lumbar spinal tap could poke the cauda equina or filum terminale, but not the conus medullaris. Explain.arrow_forward
- 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_forwardWhich 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.arrow_forward19) which of the following would have the largest nerve to fiber ratio? ( largest motor unit) a) superior rectus(extraocular muscle) b) dorsal interossei( hand intrinsic) c) abductor pollicis ( hand intrinsic) d) quadricepsarrow_forward
- 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_forwardthe bundle of fibers that the spinal cord continues down is called the ........................arrow_forward(13) CN – Cranial Nerve CP – Cranial Passage Trigeminal СР: а. (12) (1) b. (11) Facial СР: Vagus СР: с. (10) CN: - Jugular foramen |(2) Vestibulo cochlear СР: (9) Trochlear 12 CRANIAL CP: NERVES CN: SENSORY (3) - Cribriform plate (8) CN - Sup. orbital fissure (4) Optic СР: (7) Accessory СР: Oculomotor (6) СР: CN: (14) (5) - Ant. condylar canalarrow_forward
- Fill in the blanks below: Sensory neurons carrying information into the spinal cord synapse at the .................. horn. Motor commands exiting the spinal cord are generated in the............... horn. The interneurons that process sensory information and determine the appropriate motor output are found in the.................... matter of the spinal cord. The myelinated axons of the neurons carrying information to and from the brain are found in the .............. matter.arrow_forwardCentral pattern generators (CPGs) are found at the segmental level of motor control. (a) What is the job of the CPGs? (b) What controls them, and where is this control localized?arrow_forwardDescribe the functional problems that would be experienced by a person in which these fiber tracts have been cut: (a) lateral spinothalamic, (b) ventral and dorsal spinocerebellar, (c) tectospinal.arrow_forward
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