HUMAN ANAT+CNCT+POLLEV LBCC >IC<
14th Edition
ISBN: 9781259349461
Author: McKinley
Publisher: MCG CUSTOM
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Textbook Question
Chapter 18, Problem 3CR
Compare and contrast the postganglionic axons of the parasympathetic and sympathetic divisions. Examine the axon length, myelination (or lack thereof), and the neurotransmitter used.
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Compare and contrast the postganglionic axons of the parasympathetic and sympathetic divisions. Examine the axon length, myelination (or lack thereof), and the neurotransmitter used.
In the sympathetic division of the autonomic
nervous system:
Select one:
The ratio between the number of
postganglionic and preganglionic neurons
is small.
A single preganglionic neuron usually
synapses with a single postganglionic
neuron.
An important functional characteristic is
convergence of the preganglionic fibers.
Preganglionic fibers are usually much longer
than the postganglionic fibers.
Activity of the neurons tends to have a more
generalized and widespread effect on the
body.
Compare and contrast the basic anatomy of the parasympathetic and sympathetic systems, includingcentral nervous system locations, ganglia locations, pre- and post-ganglionic neuron relative lengths,and ganglionic and effector neurotransmitters.
Chapter 18 Solutions
HUMAN ANAT+CNCT+POLLEV LBCC >IC<
Ch. 18 - How are motor neurons organizationally different...Ch. 18 - Prob. 2WYLCh. 18 - Prob. 3WYLCh. 18 - Prob. 4WYLCh. 18 - What are the differences between the terminal and...Ch. 18 - Prob. 6WYLCh. 18 - Prob. 7WYLCh. 18 - Prob. 8WYLCh. 18 - Prob. 9WYLCh. 18 - Prob. 10WYL
Ch. 18 - Prob. 11WYLCh. 18 - Prob. 12WYLCh. 18 - Prob. 13WYLCh. 18 - Prob. 14WYLCh. 18 - Prob. 15WYLCh. 18 - Match each numbered item with the most closely...Ch. 18 - A splanchnic nerve in the sympathetic division of...Ch. 18 - Some parasympathetic preganglionic neuron cell...Ch. 18 - Prob. 3MCCh. 18 - Prob. 4MCCh. 18 - Prob. 5MCCh. 18 - Prob. 6MCCh. 18 - Prob. 7MCCh. 18 - Prob. 8MCCh. 18 - Prob. 9MCCh. 18 - All of the following cranial nerves carry...Ch. 18 - Prob. 1CRCh. 18 - Prob. 2CRCh. 18 - Compare and contrast the postganglionic axons of...Ch. 18 - Explain how adrenal medulla stimulation...Ch. 18 - Prob. 5CRCh. 18 - Are the cell bodies of sympathetic and...Ch. 18 - Prob. 7CRCh. 18 - Prob. 8CRCh. 18 - Prob. 9CRCh. 18 - Describe the embryonic components that form ANS...Ch. 18 - Prob. 1DCRCh. 18 - Prob. 2DCR
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- Match the following statements to the correct neurotransmitter of the autonomic nervous system. Select "Both" if the statement is true of both neurotransmitters. Secreted by cholinergic fibers. Receptors for this neurotransmitter may cause either excitatory or inhibitory responses. Bind(s) to adrenergic receptors. Receptors for this neurotransmitter are found on all autonomic postganglionic neurons. This neurotransmitter can increase heart rate. ANSWER OPTIONS: Acetylcholine or Norepinephrine? Both?arrow_forwardCompare and contrast the effects of the sympathetic and parasympathetic branches of the autonomic nervous systemarrow_forwardIn most instances the sympathetic and parasympathetic have opposite effects on effectors where they both innervate. Describe an example where they have cooperative effects, not the opposite.arrow_forward
- Create a diagram/flow chart that compares and contrasts the somatic motor division, parasympathetic division, and sympathetic division. Be sure to include all the receptors, target tissues and neurotransmitters.arrow_forwardDescribe the effect of sympathetic innervation on each effector organ, especially the heart, blood vessels, gastrointestinal tract, lungs, adrenal medulla, and external genitalia.arrow_forwardDescribe the basic pathways of sympathetic innervation from the spinal cord to the effector organs in the body periphery, the head, and the visceral organs.arrow_forward
- The thalamus has been described as a “switchboard.” Explain why, by describing the pathway of somatic sensory information from the receptors to the cerebral cortex. Describe the organization of autonomic motor neurons. Describe the structure of the sympathetic and parasympathetic divisions of the autonomic system Distinguish between the different types of adrenergic receptors and state where these receptors are located in the body. Explain what is meant by nicotinic and muscarinic Acetylcholine receptors and describe where these receptors are located in the body. Explain the mechanisms involved when a person blushes. What structures are involved in this response? Analytical Question: Case Study: Princess Leia has asthma, and had to use her inhaler before taking her physiology exam. Later, in the physiology laboratory, she measured her pulse rate and blood pressure and found them to be higher than usual. The following week, after administering some…arrow_forwardList and describe the major effects of parasympathetic stimulation. Explain why sympathetic effectstend to be systemic and long lasting, while parasympathetic effects are local and short lived.arrow_forwardList and describe the major effects of sympathetic stimulation on the major organs. Describe thedifference between an adrenergic receptor and a cholinergic receptor. List the adrenergic receptortypes, and name where you would find them. State their primary function.arrow_forward
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