Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 12, Problem 10RQ
Which structure predominates in the white matter of the brain?
- myelinated axons
- neuronal cell bodies
- ganglia of the parasympathetic neives
- bundles of dendrites from the enteric nervous system
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The nervous system helps all parts of the body communicate with each other. It is made up of several sub-divisions with each subdivision havingstructural and functional characteristics that distinguish it from the others.
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Which of the following has the longest axons?
corpus callosum
peripheral nervous system
O occipital lobe
O temporal lobe
In the gray matter of the cerebral cortex, one would expect to find
Cell bodies and dendrites with minimal blood supply
Demyelinated axons
O Myelinated axons
O Cell bodies and dendrites along with a rich blood supply
Chapter 12 Solutions
Anatomy & Physiology
Ch. 12 - In 2003, the Nobel Prize in Physiology or Medicine...Ch. 12 - Visit this site...Ch. 12 - Visit this site...Ch. 12 - View the University of Michigan Webscope...Ch. 12 - What happens across the membrane of an...Ch. 12 - Visit this site...Ch. 12 - Watch this video...Ch. 12 - Watch this video...Ch. 12 - Which of the following cavities contains a...Ch. 12 - Which structure predominates in the white matter...
Ch. 12 - Which part of a neuron transmits an electrical...Ch. 12 - Which term describes a bundle of axons in the...Ch. 12 - Which functional division of the nervous system...Ch. 12 - What type of glial cell provides myelin for the...Ch. 12 - Which part of a neuron contains the nucleus?...Ch. 12 - Which of the following substances is least able to...Ch. 12 - What type of glial cell is the resident macrophage...Ch. 12 - What two types of macromolecules are the main...Ch. 12 - If a thermoreceptor is sensitive to temperature...Ch. 12 - Which of these locations is where the greatest...Ch. 12 - How long does all the signaling through the...Ch. 12 - What is the target of an upper motor neuron?...Ch. 12 - What ion enters a neuron causing depolarization of...Ch. 12 - Voltage-gated Na+ channels open upon leaching what...Ch. 12 - What does a ligand-gated channel require in order...Ch. 12 - What does a mechanically gated channel respond to?...Ch. 12 - Which of the following voltages would most likely...Ch. 12 - Which of the following is probably going to...Ch. 12 - How much of a change in the membrane potential is...Ch. 12 - A channel opens on a postsynaptic membrane that...Ch. 12 - What neurotransmitter is released at the...Ch. 12 - What type of receptor requires an effector protein...Ch. 12 - Which of the following neurotransmitters is...Ch. 12 - What responses are generated by the nervous system...Ch. 12 - When eating food, what anatomical and functional...Ch. 12 - Multiple sclerosis is a demyelinating disease...Ch. 12 - Which type of neuron, based on its shape, is best...Ch. 12 - Sensory fibers, or pathways, are referred to as...Ch. 12 - If a person has a motor disorder and cannot move...Ch. 12 - What does it mean for an action potential to be an...Ch. 12 - The conscious perception of pain is often delayed...Ch. 12 - If a postsynaptic cell has synapses from five...Ch. 12 - Why is the receptor the important element...
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- Select ALL of the following which are TRUE of Ascending tracts of white matter: second order neurons are the actual sensory neurons carry motor commands down from the brain third order neurons are interneurons in the thalamus fırst order and second order neurons synapse in the posterior horns of the gray matter bring sensory information up to the brainarrow_forwardthe outer covering of the brain is covered with Dendrites cerebrum Axons Nerve cellsarrow_forwardWhat part of the nervous system produces the currents and voltages visualized with an EEG ? Individual cortical neurons Axons of many thalamic neurons Dendrites of many pyramidal neuronsarrow_forward
- The Central Nervous system is made up of: Spinal Cord, Nerves, Brain O Brain, Ganglia, Nerves Spinal Cord, Brain Brain, Spinal cord, Gangliaarrow_forwardWhich of the following cells of the nervous system is correctly matched with its function? Astrocyte – CSF secretion Microglial cell – phagocytosis Oligodendrocyte – removal of glutamate Ependymal cell – production of myelinarrow_forwardWhich area(s) of the brain exert(s) control over the autonomic nervous system? cerebrum cerebellum hypothalamus pons medulla thalamus 1, 2, 3, 5 1, 3, 4, 5 2, 3, 4, 5 1, 3, 5 1, 2, 3, 4, 5, 6arrow_forward
- PART B: THE BRAIN STEM The brainstem is responsible for relaying information to the cerebrum and cerebellum. It also contains areas that are vital to the autonomic nervous system and reflexes. There are three major parts to the brain stem. 1. Use pp. 413-415 of your textbook to describe the functions of each region of the brainstem below. Structure Functions Medulla oblongata Midbrain (mesencephalon) Ponsarrow_forwardWhat do you mean by sensory nerves? In which part of body they are present.arrow_forwardThe cells have highly branched dendrites make more connections than any other type of neuron. They are found in great abundance in the cerebellum. O multipolar bipolar O stellate Purkinje Batsianarrow_forward
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