Principles of Anatomy and Physiology
16th Edition
ISBN: 9781119662792
Author: Tortora, Gerard J., DERRICKSON, Bryan H.
Publisher: WILEY
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Chapter 13, Problem 2CTQ
Summary Introduction
To analyze:
The symptoms of infection caused by the damage in the anterior gray horns in the lower cervical region of spinal cord.
Introduction:
The anterior gray horn is a specific region in the spinal cord, which has somatic motor neurons. These neurotic cells direct impulses to the skeletal muscles. These help in the contraction of skeletal muscles.
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A patient presents with paralysis of the right side of the body.
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Which statement is true regarding the spinal cord?
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Chapter 13 Solutions
Principles of Anatomy and Physiology
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- Left Right 21. Which of the following types of neurons are indicated by asterisks in the photograph of a cross section of the spinal cord? A) Postganglionic parasympathetic B) Postganglionic sympathetic C) Preganglionic parasympathetic D) Preganglionic sympatheticarrow_forwardWhich part of the spinal cord contains somas of somatic motor neurons? Multiple Choice a) The anterior horns b) The posterior horns c) The spinothalamic tract d) The arachnoid e)The lateral hornsarrow_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_forward
- 2(1) Answer these questions well detailed in paragraphs and explained please. A) What are the five sensory organs? B) What are the nerve centers? What is each person's role? C) What factors could disturb the nervous system?arrow_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_forwardGanglia are ... a) ... collections of nerve cell bodies outside the CNS b) ... part of a nerve cell c) ... the connection between two nerve cells d) ... collections of nerve fibers in the CNS e) ... a type of glial cells in the brainarrow_forward
- 38. A 67-year-old man who is being treated for a lesion in his spinal cord cannot feel the neurologist trace the letter "E" on the anterior surface of his thigh. Which of the following lettered sites of the hemisection of the spinal cord is the most likely site of the lesion? B A E) OA) O B) E 6 OD)arrow_forwardIn patients with spinal cord injury, neurogenic shock occurs with injury to which of the following spinal cord regions. Select all that apply: Sacral spinal cord C5-C8 spinal cord L4-5 spinal cord T7-T12 spinal cord T1-T6 spinal cord C1-4 spinal cord L1-L3 spinal cordarrow_forwardfill in the blanks: A spinal nerve divides into a(n) ___________that serves the anterior side of the body and the limbs and a(n) ___________ that serves the posterior side of the body.arrow_forward
- Which of the following statements is true? a) The spinal cord terminates at L5, just above the sacrum b) White matter is found in the dorsal horn and ventral horn of the spinal cord c) White matter in the spinal cord is arranged into "columns" d) The cauda equine can be found in the thoracic spinearrow_forwardAn anesthetic blocks the function of the dorsal rami of the cervical spinal nerves. Which areas of the body will be affected?arrow_forwardPlease describe an example of both a primary and secondary spinal cord injury. Our discussion this week pertains to Spinal Cord Injuries. Primary spinal cord injury involves damage to vertebral or neural tissues from compression, traction, or shearing forces. Secondary spinal cord injury is related to ischemia, excitotoxicity, inflammation, edema, oxidative damage, and activation of necrotic and apoptotic cell death; it begins within minutes after injury and continues for weeks. Assignment Instructions: Describe an injury. Some learners will use the same injury, such as a fall off of a horse. Describe how the patient experienced both primary and secondary injuries. Be sure to describe symptoms, implications, and testing that helped clinicians to classify the injury into these categories.arrow_forward
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