ANATOMY AND PHYSIOLOGY
17th Edition
ISBN: 9781630180928
Author: OpenStax
Publisher: OPENSTAX C
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Textbook Question
Chapter 15, Problem 20RQ
What is another name for the preganglionic sympathetic fibers that project to the heart?
- solitary tract
- vas o motor nerve
- vagus nerve
- cardiac accelerator nerve
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Which of the following is NOT a true statement about autonomic nervous system?
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The Sympathetic receptors are : select all
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The sympathetic system plays a vital role maintaining
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Chapter 15 Solutions
ANATOMY AND PHYSIOLOGY
Ch. 15 - Watch this video...Ch. 15 - Watch this video...Ch. 15 - Read this article...Ch. 15 - Watch this video...Ch. 15 - Watch this video...Ch. 15 - Watch this video...Ch. 15 - Which of these physiological changes would not be...Ch. 15 - Which type of fiber could be considered the...Ch. 15 - Which signaling molecule is most likely...Ch. 15 - Which of these cranial nerves contains...
Ch. 15 - Which of the following is not a target of a...Ch. 15 - Which of the following represents a sensory input...Ch. 15 - What is the term for a reflex that does not...Ch. 15 - What neurotransmitter will result in constriction...Ch. 15 - What gland produces a secretion that causes...Ch. 15 - Which of the following is an incorrect pairing?...Ch. 15 - Which of these locations in the forebrain is the...Ch. 15 - Which nerve projects to the hypothalamus to...Ch. 15 - What region of the limbic lobe is responsible for...Ch. 15 - What is another name for the preganglionic...Ch. 15 - What central fiber tract connects forebrain and...Ch. 15 - A drag that affects both divisions of the...Ch. 15 - A drug is called an agonist if it ________. blocks...Ch. 15 - Which type of drug would be an antidote to...Ch. 15 - Which kind of ding would have anti-anxiety...Ch. 15 - Which type of drug could be used to treat asthma...Ch. 15 - In the context of a lioness hunting on the...Ch. 15 - A target effector, such as the heart, receives...Ch. 15 - Damage to internal organs will present as pain...Ch. 15 - Medical practice is paying more attention to the...Ch. 15 - Horners syndrome is a condition that presents with...Ch. 15 - The cardiovascular center is responsible for...Ch. 15 - Why does smoking increase the risk of heart...Ch. 15 - Why might topical, cosmetic application of...
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- Figure 35.26 Which of the following statements is false? The parasympathetic pathway is responsible for relaxing the body, while the sympathetic pathway is responsible for preparing for an emergency. Most preganglionic neurons in the sympathetic pathway originate in the spinal cord. Slowing of the heartbeat is a parasympathetic response. Parasympathetic neurons are responsible for releasing norepinephrine on the target organ, while sympathetic neurons are responsible for releasing acetylcholine.arrow_forwardIn the sympathetic division of the autonomic system: preganglionic neurons originate in the thoracolumbar segments of the cord the preganglionic neurons are unmyelinated the preganglionic neurons are long the neurotransmitter released by the preganglionic neurons is norepinephrinearrow_forwardWhich of the following will be increased by sympathetic activity? Venous return Blood pressure Cardiac contractility O All of themarrow_forward
- Which sentence is accurate? Postganglionic and preganglionic fibers located in the sympathetic division are the same length. Postganglionic and preganglionic fibers in the parasympathetic are the same length. Postganglionic fibers are known to be shorter than preganglionic fibers in the sympathetic division. Postganglionic fibers are known to be shorter than preganglionic fibers in the parasympathetic division.arrow_forwardThere are two divisions of the autonomic nervous system: Sympathetic and parasympathetic Describe 5 effects of sympathetic activation. How does this help survival?arrow_forwardSympathetic tone causes which of the following? decrease in heart rate O activation of the lacrimal gland O increase in urinary tract activity O blood pressure to rise O reflex peristalsisarrow_forward
- The cell bodies of sympathetic preganglionic rHeurons are located in O the dorsal root ganglia the ventral horn small neuronal clusters situated outside of target organs such as the intestines and kidne the intermediolateral cell column of the spinal cordarrow_forwardThe heart receives afferent signals from the vagus nerve (X). What branch of the ANS does it belong to and how would signals from this nerve effect heart rate? O sympathetic/increase O sympathetic/decrease O parasympathetic/increase O parasympathetic/decreasearrow_forwardSympathetic nerve activity refers best to which of the following aspect of sympathetic nerves? Group of answer choices Number of action potentials generated Number of sensory potentials received The speed of axonal conduction Saltatory conduction pattern of the axonarrow_forward
- Once a sympathetic preganglionic axon reaches a paravertebral ganglion, it can: pass through the paravertebral ganglion without synapsing until it reaches the prevertebral ganglion. O True Falsearrow_forwardFor each of the following statements about the sympathetic nervous system, state whether it is true or false. Postganglionic neurons can stimulate the heart [Select] Preganglionic nerve fibers originate from the brainstem or from the sacral part of the spinal cord [Select] Preganglionic fibers are relatively long [Select] Preganglionic neurons release acetylcholine [Select] Postganglionic neurons can stimulate skeletal muscle [Select] Postganglionic neurons release acetylcholine [Select]arrow_forwardte Timed P X Quizzes 2 X Previous + gers.instructure.com/courses/207533/external_tools/retrieve?display=full_width&url=https%3A%2F%2Frutger: 01:07:16 < Time Remaining 34 1 point The large intestine absorbs water and electrolytes and stores feces prior to defecation. True Falsearrow_forward
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