Human Anatomy (8th Edition)
8th Edition
ISBN: 9780134243818
Author: Elaine N. Marieb, Patricia Brady Wilhelm, Jon B. Mallatt
Publisher: PEARSON
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Chapter 14, Problem 3CRCAQ
Ted is a war veteran who was hit in the back with small pieces of shrapnel. His skin is numb in the center of his buttocks and along the entire posterior side of a lower limb, but there is no motor problem. Indicate which of the following choices is the most likely site of his nerve injury, and explain your choice: (a) a few dorsal roots of the cauda equina, (b) spinal cord transection at
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Chapter 14 Solutions
Human Anatomy (8th Edition)
Ch. 14 - Prob. 1CYUCh. 14 - Do all nerves contain both sensory and motor...Ch. 14 - Name the functional type of the sensory receptors...Ch. 14 - Are proprioceptors part of the somatic or visceral...Ch. 14 - Prob. 5CYUCh. 14 - Prob. 6CYUCh. 14 - Prob. 7CYUCh. 14 - Prob. 8CYUCh. 14 - Prob. 9CYUCh. 14 - Below which vertebra does each of the following...
Ch. 14 - Would a patient with a spinal injury at C5 be able...Ch. 14 - Prob. 12CYUCh. 14 - Prob. 13CYUCh. 14 - Prob. 14CYUCh. 14 - Prob. 15CYUCh. 14 - Using Hilton's law, identity the nerves that...Ch. 14 - Explain why a disc herniation at the level of...Ch. 14 - Shingles blisters that encircle the abdomen at the...Ch. 14 - Use your knowledge of word roots to define these...Ch. 14 - Does postpolio syndrome result from a dormant...Ch. 14 - Prob. 1RQCh. 14 - The large, onion-shaped pressure receptors in deep...Ch. 14 - Prob. 3RQCh. 14 - Prob. 4RQCh. 14 - Prob. 5RQCh. 14 - Which one of the following contains only motor...Ch. 14 - Prob. 7RQCh. 14 - Whereas bronchial refers to the airways in the...Ch. 14 - Which cranial nerves contain somatic motor axons...Ch. 14 - Which of the following components occur in all of...Ch. 14 - Prob. 11RQCh. 14 - Prob. 12RQCh. 14 - (a) Define nerve plexus. (b) List the spinal...Ch. 14 - ln the brachial plexus, what specific rami make up...Ch. 14 - Prob. 15RQCh. 14 - Choose the correct answer, and explain why it is...Ch. 14 - There are 40 roots in the cauda equina. To what...Ch. 14 - As Harry was falling off a ladder, he reached out...Ch. 14 - Frita, in her early 70s, had problems chewing....Ch. 14 - Ted is a war veteran who was hit in the back with...Ch. 14 - A quarterback suffered torn menisci in his right...Ch. 14 - In a patient who developed carpal tunnel syndrome,...Ch. 14 - Using Hiltoa’s law, (1) deduce which four nerves...Ch. 14 - After suffering from a broken humerus, a patient...Ch. 14 - Name all of the nerves that innervate the tongue.
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- The sciatic nerve splits to form which two nerves? Question options: A) pudendal and common peroneal nerves B) femoral and tibial nerves C) pudendal and femoral nerves D) common fibular and tibial nerves E) pudendal and tibial nervesarrow_forward2) A mixed peripheral nerve: a) is considered to be both a cranial nerve and a spinal nerve. b) contains both somatic and autonomic nerve fibers. c) contains both sensory and motor fibers.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
- 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_forwardIdentify the structural class(es) of neurons whose cell bodies are present in the spinal cord—unipolar, bipolar, or multipolar.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_forward
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- A 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_forwardWhen their second child was born, Kiko and Taka were told their baby had spina bifida and would be kept in intensive care for a week. After that time, a “shunt” would be put in. Also, immediately after the birth, an operation was performed on the infant’s lower back. The parents were told that this operation went well but that their son would always be a “little weak in the ankles.” Explain the statements in quotation marks in more informative and precise language.arrow_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
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