Human Anatomy (9th Edition)
9th Edition
ISBN: 9780134320762
Author: Frederic H. Martini, Robert B. Tallitsch, Judi L. Nath
Publisher: PEARSON
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Chapter 14, Problem 13RFT
The brachial plexus
(a) innervates the shoulder girdle and the upper extremity.
(b) is formed from the ventral rami of spinal nerves $$.
(c) is the source of the musculocutaneous, radial, median, and ulnar nerves.
(d) all of the above
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Chapter 14 Solutions
Human Anatomy (9th Edition)
Ch. 14 - Match each numbered item with the most closely...Ch. 14 - Prob. 2RFTCh. 14 - Prob. 3RFTCh. 14 - Prob. 4RFTCh. 14 - Prob. 5RFTCh. 14 - Prob. 6RFTCh. 14 - Prob. 7RFTCh. 14 - Prob. 8RFTCh. 14 - Prob. 9RFTCh. 14 - Match each numbered item with the most closely...
Ch. 14 - Label the following structures on the accompanying...Ch. 14 - Prob. 12RFTCh. 14 - The brachial plexus (a) innervates the shoulder...Ch. 14 - Prob. 14RFTCh. 14 - Prob. 15RFTCh. 14 - Prob. 16RFTCh. 14 - Prob. 17RFTCh. 14 - Prob. 18RFTCh. 14 - Prob. 19RFTCh. 14 - Prob. 20RFTCh. 14 - Prob. 21RFTCh. 14 - Prob. 1RCCh. 14 - Prob. 2RCCh. 14 - Tingling and numbness in the palmar region of the...Ch. 14 - Prob. 4RCCh. 14 - Prob. 5RCCh. 14 - Prob. 6RCCh. 14 - Prob. 7RCCh. 14 - Prob. 8RCCh. 14 - Prob. 9RCCh. 14 - Why is it important that a spinal tap be done...Ch. 14 - Prob. 1CTCh. 14 - Prob. 2CTCh. 14 - Prob. 3CT
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- 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.arrow_forwardA patient has weakness in dorsiflexion of the foot (footdrop)after an intragluteal injection into the inferolateral quadrant of the hip. which of the following nerves is most likely to be injured?. A) superior gluteal B), inferior gluteal C) sciatic D), obturator E) femoralarrow_forwardthe bundle of fibers that the spinal cord continues down is called the ........................arrow_forward
- Areas of the body where no slow fibers would be found include the, (a) back and calf muscles. (b) eye and hand. (c) chest and abdomen. (d) a, b, and c are correct.arrow_forwardSketch 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_forward
- Which of the following nerves listed innervates most of the organs of the abdomen and the thorax? (a) spinal nerves, (b) the vagus nerve, (c) the oculomotor nerve, (d) the facial nerve.arrow_forwardWhich statement is true regarding the spinal cord? a) The interior horns of the spinal cord receive information from the body b) The spinal cord is surrounded by the Dura matter only c) The spinal cord terminates into the upper thoracic region d) The lower lumbar region doesn't contain a spinal cord but rather a collection of nerve roots called the cauda equinaarrow_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
- 19) 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_forwardWhich of the following is false regarding nerve plexuses? A) Nerve plexuses occur in the cervical, brachial, lumbar and sacral regions. B) Nerve plexuses involve only the dorsal rami. C) Nerve plexuses are interlacing nerve networks, so that each branch of a plexus contains fibers from several spinal nerves. D) Because of nerve plexuses, each muscle in a limb receives its nerve supply from more than one spinal nerve. E) Because of nerve plexuses, damage to a single spinal segment or root cannot completely paralyze any limb muscle. In a spinal reflex, integration occurs in the cerebral cortex in the brain stem in the thalamus in the spinal cord in the cerebellum True or false. The amplitude of a sound wave determines the pitch of a sound, while the sound intensity is determined by the wavelength of a sound wavearrow_forward(a) Define plexus. (b) Indicate the spinal roots of origin of the four major nerve plexuses, and name the general body regions served by each.arrow_forward
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