HUMAN ANATOMY PKG >CUSTOM<
8th Edition
ISBN: 9781323572528
Author: Marieb
Publisher: Pearson Custom Publishing
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Textbook Question
Chapter 15, Problem 10RQ
(a) Describe the anatomical relationship of the white and gray rami communicantes to a spinal nerve, and to the dorsal and ventral rami. (b) Why are gray rami communicantes gray?
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(a) Describe the anatomical relationship of the white and gray rami communicantes to a spinal nerve, and to the dorsal and ventral rami. (b) Why are gray rami communicantes gray?
Describe the anatomical relationship of the white and gray rami communicantes to a spinal nerve, and to the dorsal and ventral rami. Why are gray rami communicantes gray?
(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.
Chapter 15 Solutions
HUMAN ANATOMY PKG >CUSTOM<
Ch. 15 - Which fibers in the motor division of the PNS are...Ch. 15 - Prob. 2CYUCh. 15 - Where are the sympathetic ganglia located? Where...Ch. 15 - Are visceral sensory fibers considered part of the...Ch. 15 - Which spinal nerves carry parasympathetic...Ch. 15 - Prob. 6CYUCh. 15 - Prob. 7CYUCh. 15 - Why are white rami communicantes located only on...Ch. 15 - What is the general effect of sympathetic...Ch. 15 - Which types of autonomic fibers (preganglionic,...
Ch. 15 - Prob. 11CYUCh. 15 - Prob. 12CYUCh. 15 - Which region of the CNS is the main control center...Ch. 15 - Which embryonic tissue forms the postganglionic...Ch. 15 - Which division of the ANS is deficient in...Ch. 15 - Which of the following does not characterize the...Ch. 15 - For each of the following terms or phrases, write...Ch. 15 - The thoracic splanchnic nerves contain which kind...Ch. 15 - The collateral ganglia contain which kind of cell...Ch. 15 - Preganglionic sympathetic neurons develop from (a)...Ch. 15 - Prob. 6RQCh. 15 - The white rami communicantes contain what kind of...Ch. 15 - Collateral sympathetic ganglia are involved. with...Ch. 15 - Is the visceral sensory nervous system part of the...Ch. 15 - (a) Describe the anatomical relationship of the...Ch. 15 - What effect does sympathetic activation have on...Ch. 15 - Which of the effects listed in question 11 would...Ch. 15 - A friend asks you how the parasympathetic...Ch. 15 - What manifestations of decreased ANS efficiency...Ch. 15 - The students in anatomy class were having...Ch. 15 - Describe the sympathetic pathways to the (a)...Ch. 15 - Prob. 17RQCh. 15 - Prob. 18RQCh. 15 - Prob. 19RQCh. 15 - How do the somatic motor and visceral motor (ANS)...Ch. 15 - A 1-year-old infant has a swollen abdomen and is...Ch. 15 - Prob. 2CRCAQCh. 15 - Prob. 3CRCAQCh. 15 - Prob. 4CRCAQCh. 15 - Prob. 5CRCAQCh. 15 - Prob. 6CRCAQCh. 15 - Prob. 7CRCAQCh. 15 - Prob. 8CRCAQ
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- 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_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_forwardWhich of the following parts of a spinal nerve contains sensory nerves only? Question options: A) mixed nerves B) dorsal ramus C) dorsal root ganglion D) ventral root E) ventral ramusarrow_forward
- Which 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_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_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
- Which of the cranial nerves have some function in vision? Select all that apply: a) Abducens nerve b) Trochlear nerve c) Trigeminal nerve d) Facial nervearrow_forwardSpinal nerves are called mixed nerves because they, (a) are associated with a pair of spinal ganglia. (b) exit at intervertebral foramina. (c) contain sensory and motor fibers. (d) are associated with a pair of dorsal and ventral roots.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
- Match 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_forwardWhich statement is true regarding a spinal (peripheral) nerve? A) they can contain afferent axons only B) each nerve ending contains a single axon C)They innervate all regions of the body, including the head D) there are 31 pairs of spinal nervesarrow_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_forward
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