Which of the following is correctabout the sympathetic division ofthe autonomic nervous system?Select one:O A. the neurotransmitterreleased by postganglionicneurons is norepinephrineO B. the neurotransmitterreleased by postganglionicneurons is acetylcholineO C. sympathetic nerves formsynapses in ganglia near orwithin an internal organO D. sympathetic nerves exit thecentral nervous system atthe base of the brain and thesacral region of the spinalcordO E. sympathetic nerves typicallyexit the central nervoussystem and form ganglialocated just outside the brain

Sympathetic ganglia are the ganglia present in the sympathetic nervous system that initiate…

Answered: Which of the following is correct about…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Which of the following statements regarding the motor end plate in the somatic motor division of the nervous system is true? After the activation of voltage-gated calcium channels, the neuron releases ACh onto the muscarinic receptors on the surface of the highly folded area of the muscle fibre. The preganglionic nerve fibre releases ACh onto the postganglionic nerve fibre, which then releases ACh onto the cholinergic receptors of the motor end plate. Chemically gated monovalent cation channels on the motor end plate are activated once the motor neuron releases ACh onto the nicotinic receptors on the surface of the muscle cell. The AChE enzyme enhances the amount of ACh released into the neuromuscular junction
Response to a stimulus within the central nervous system differs from that of a reflex arc because a. Depolarization deos not occur along the reflex arc b. No acetylcholine is released in the central nervous system c. There is no interpretation of the information within the reflex arc d. Nerve impulses travel in the central nervous system at a greater speed
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.
Malathion is an insecticide commonly used in the horticultural industry. Many homeowners apply this chemical to their trees to rid them of infestation by aphids or other insects. Malathion is classified as an organophosphate insecticide. Exposure to malathion is very dangerous to humans and animals because it acts as an irreversible inhibitor of acetylcholinesterase. Predict what might happen to synaptic communication between cholinergic neurons if an individual or animal was poisoned with malathion, and clearly describe the mechanisms at work.
Which of the following is associated with pain relief? a. acetylcholine c. serotonin b. glutamate d. endorphins
Imagine that you are hiking in the mountains one afternoon with friends. As you turn acorner, you come across a lion standing in the middle of the trail.a. Identify the specific division of the nervous system that is responsible for thebody’s response to this situation.b. Describe at least six physiological responses you might have upon seeing thebears.c. Indicate the division of the nervous system that is responsible for returning thebody back to equilibrium after the event is over.
Describe how the sympathetic and parasympathetic nervous system affects the following organs: heart, eyes, gastrointestinal system
Which of the following could be used to describe the parasympathetic nervous system? Select all that apply. Short preganglionic, long postganglionic fibers. O long preganglionic, short postganglionic fibers. Known to be active during "rest and digest" responses. Stimulates ciliary muscles of the eye, which makes the lens bulge for close vision. O Active during "fight or flight" responses. increases heart rate « Previous Next
2) Fill in the chart below on the anatomical differences between sympathetic and parasympathetic systems. Sympathetic Parasympathetic Origin Length of Fibers Location of ganglia Preganglionic Neurotransmitters Postganglionic Neurotransmitters
Make a list of the different types of neurotransmitters used by the nervous system. Include a description of each, including it’s chemical and functional classification. Describe in general how each neurotransmitter is used by the body
For which of the following systems is the neurotransmitter acetylcholine released by neurons at the target tissue? true only for the sympathetic division true only for the parasympathetic division true for both divisions false for both divisions
A laboratory experiment is set up where you have two fully functional nerves properly aligned so that it potentially can transmit an action potential through a synapse to the second nerve. The buffer outside the cells contain Na+, H+ and Cl- as the only inorganic ions. When you stimulate the nerve, surprisingly the second nerve does not respond. What is the most likely explanation for the failure of the second nerve response? State why you chose your answer. a. The lack of K+ in the buffer prevents propagation of the action potential b. Neurotransmitter is not being released into the synaptic space. c. An action potential can only be initiated by opening a ligand-gated channel. d. Although neurotransmitter is released, it is unable to stimulate opening of the second nerve' ligand-gated channel. e. Repolarization of the axon does not occur in this buffer.

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