Fundamentals of Sectional Anatomy: An Imaging Approach
2nd Edition
ISBN: 9781133960867
Author: Denise L. Lazo
Publisher: Cengage Learning
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Multiple sclerosis is a neurodegenerative disease in which the body’s immune system attacks and breaks down the white matter in the nervous system.
A. What is another word (other than “white matter”) for the structure or type of cells that are affected in patients with MS?
B. Given what these cells/structures do, what effect on neural transmission do you think MS has?
Which of the following statements about cerebral white matter is false? a. Commissural fibers connect the right and left cerebral hemispheres. b. Projection fibers connect the cerebral cortex of one hemisphere with structures in the other hemisphere. c. The corpus callosum is the largest bundle of white matter in the brain. d. Association fibers connect the gyri of the cerebral cortex with one another
Demyelination of axon in peripheral nerves is the cause of:
a. Huntington's
b. Horners Syndrome
c. Multiple sclerosis
d. Gullian Barre Syndrome
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- The vast majority of neurons are located in the a. Outer bulges of the neocortex b. Cerebellum and brainstem C. Autonomic Nervous System d. Creases in the neocortexarrow_forwardsurrounds a bundle of nerve fibers A. Neurium B. Perineurium C. Epineurium D. Endoneurium E. None of the abovearrow_forwardCell bodies of neurons are most likely found in the: a. white matter of the brain b. white matter of the spinal cord c. subarachnoid space d. gray matter of the spinal cordarrow_forward
- Maria often sleeps soundly and rarely awakens to any outside noise. However, the cries of Maria’s baby can awaken her immediately. What part of the brain is responsible for this reaction? a. medulla c. reticular formation b. pons d. cerebellumarrow_forwardSeizures arise due to abnormal asynchronous electrical discharges from millions of neurons in the brain. A. True B. Falsearrow_forwardWhich area of the brain is most directly involved in the reflex control of the autonomic system? a. Hypothalamus b. Cerebral cortex c. Medulla oblongata d. Cerebellumarrow_forward
- What kinds of neurons (sympathetic or parasympathetic, preganglionic or postganglionic) are found in the following? a. cranial nerve nuclei b. lateral horn of the thoracic spinal cord gray matter c. lateral portion of the sacral spinal cord gray matter d. chain ganglia e. ganglia in the wall of an organarrow_forwardThe multipolar neurones are observed in the gray matter of the histological specimen of the cerebellum cross-section. According to what morphological feature does these cells attribute to multipolar? a. Size of the cells b. Shape of the terminal axon extension c. Length of the processes d. Quantity of the processes e. Shape of the perikaryonarrow_forwardMark the following statements as true of false. If a statement is false, correct it to make a true statement. a. Ependymal cells regulate the composition and movement of cerebrospinal fluid. b. Schwann cells make myelin in the peripheral nervous system c. Microglia are neuroglial cells with an immune function. d. Oligodendrocytes repair damaged axons in the peripheral nervous system. e. Astrocytes regulate the extracellular environment of the brain and are key components of the blood-brain barrier. f. Oligodendrocytes and Schwann cells perform similar functions in different parts of the nervous system.arrow_forward
- Gray matter contains primarilya. myelinated fibers. c. Schwann cells.b. neuron cell bodies. d. oligodendrocytesarrow_forwardA patient with brain damage and demonstrates the following symptoms: difficulty forming new memories remembering events that have happened five minutes ago Which region of the brain is MOST LIKELY to be damaged? A . amygdala B. hippocampus C. hypothalamusarrow_forwardThe brain stem does not include the: a. pons b. medulla oblongata c. mid brain d. thalamusarrow_forward
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