Mastering A&P with Pearson eText -- Standalone Access Card -- for Fundamentals of Anatomy & Physiology (10th Edition)
10th Edition
ISBN: 9780321962713
Author: Frederic H. Martini, Judi L. Nath, Edwin F. Bartholomew
Publisher: PEARSON
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Question
Chapter 16, Problem 31RQ
Summary Introduction
To determine:
The neurotransmitter to which the given molecule is mimicking and also the receptors to which it is binding.
Concept introduction:
The sympathetic nervous system releases norepinephrine as neurotransmitter at the target organs and tissues, to produce the desired physiological effects. The norepinephrine binds to adrenergic receptors on the plasma membrane and activates the G-protein. The G-protein then produces the effects through the second messengers and other intermediaries.
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Why is it important to remove acetylcholine from its binding to acetylcholine receptors once the neural stimulus ends? What can be the possible consequence of the non-removal of acetylcholine to the skeletal muscle fiber?
a) Which letter represents structure that is a receptor for sensory info?
b) Which letter represents a skeletal muscle?
c) Which letter represents structure that transmits info to CNS
d) Which letter represents structure that is known as cell body of a sensory neurone?
e) Which letter represents structure that is cell body of a post-ganglionic sympathetic neuron?
What are the two types of acetylcholine receptors?
Chapter 16 Solutions
Mastering A&P with Pearson eText -- Standalone Access Card -- for Fundamentals of Anatomy & Physiology (10th Edition)
Ch. 16 - Prob. 1CPCh. 16 - Prob. 2CPCh. 16 - Prob. 3CPCh. 16 - Prob. 5CPCh. 16 - Prob. 6CPCh. 16 - Prob. 7CPCh. 16 - Prob. 8CPCh. 16 - Prob. 9CPCh. 16 - Prob. 10CPCh. 16 - Name the two types of cholinergic receptors on the...
Ch. 16 - Prob. 12CPCh. 16 - Prob. 4CPCh. 16 - Prob. 13CPCh. 16 - Prob. 14CPCh. 16 - Prob. 15CPCh. 16 - Prob. 16CPCh. 16 - Prob. 17CPCh. 16 - Prob. 18CPCh. 16 - Prob. 19CPCh. 16 - Prob. 20CPCh. 16 - Prob. 21CPCh. 16 - Prob. 22CPCh. 16 - Prob. 23CPCh. 16 - Prob. 24CPCh. 16 - Prob. 25CPCh. 16 - Prob. 26CPCh. 16 - Prob. 27CPCh. 16 - Prob. 1RQCh. 16 - Prob. 2RQCh. 16 - Prob. 3RQCh. 16 - Prob. 4RQCh. 16 - Prob. 5RQCh. 16 - Prob. 6RQCh. 16 - Prob. 7RQCh. 16 - What are the components of a visceral reflex arc?Ch. 16 - Prob. 9RQCh. 16 - Prob. 10RQCh. 16 - Prob. 11RQCh. 16 - All preganglionic autonomic fibers release _____...Ch. 16 - Prob. 13RQCh. 16 - Prob. 14RQCh. 16 - Prob. 15RQCh. 16 - Prob. 16RQCh. 16 - Prob. 17RQCh. 16 - Prob. 18RQCh. 16 - Prob. 19RQCh. 16 - Prob. 20RQCh. 16 - Prob. 21RQCh. 16 - Prob. 22RQCh. 16 - Prob. 23RQCh. 16 - Prob. 24RQCh. 16 - Prob. 25RQCh. 16 - Prob. 26RQCh. 16 - Prob. 27RQCh. 16 - Prob. 28RQCh. 16 - Prob. 29RQCh. 16 - Prob. 30RQCh. 16 - Prob. 31RQCh. 16 - Prob. 1CCCh. 16 - Prob. 2CC
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- A patient has been exposed to the organophosphate pesticide malathion,which inactivates acetylcholinesterase. Which of the following symptoms would you predict: blurring of vision, excess tear formation, frequent or involuntary urination, pallor (pale skin), muscle twitching, orcramps? Would atropine be an effective drug to treat the symptoms?(See Clinical Impact 16.2 for the action of atropine.) Explain.arrow_forwardWhat are the two major classes of neurotransmitter? How dotheir modes of action differ? Give an example of each typeof neurotransmitter.arrow_forwardIf a newly-developed drug is found to bind to acetylcholine receptors but does not activate them, the drug is classified as an agonist. True or false?arrow_forward
- What are the neurotransmitters that bind to ionotropic channels and allow for cation influx? Select all that apply. Group of answer choices A. glutamate B. GABA C. dopamine D. acetylcholinearrow_forwardA biologist finds that a post-neuron responds to a pre-neuron’s AP in a mammal through a cell membrane pathway involving INTRACELLUAR Ca2+ RELEASE. Define what type of synapse this is and the specific possible mechanism (details!) about how binding the neurotransmitter on the post membrane causes this type of calcium release.arrow_forwardToxins from the cone snail block glutamate receptors in the postsynaptic membrane. What specifically will this action inhibit?arrow_forward
- Does the action potential in a single axon increase in amplitude when the stimulus amplitude is increased? Does the amplitude of the CAP increase because more fibers are firing, or the amplitude of the action potentials from single fibers are increasing, or a combination of both?arrow_forwardWhat determines the effect of neurotransmitter release on the post-synaptic neurons? a. the size of the action potential. b. the post-synaptic receptors c. the neurotransmitter contained in the synaptic vesicles. d. the concentration of calcium ions reached in presynaptic terminals. e. the size of the synaptic vesicles.arrow_forwardWhen the action potential reaches the presynaptic terminal, which ion must enter the presynaptic terminal to evoke release of the neurotransmitter?arrow_forward
- In muscles, acetylcholine is released by the _________________________and opens specific channels that allow the ion ______ to depolarize the membrane. motor neuron, sodium motor neuron, potassium muscle fibril, sodium muscle fibril, potassiumarrow_forwardWhich produces the most action potentials: a prolonged threshold stimulus ora prolonged, stronger-than-threshold stimulus of the same duration? Explain.arrow_forwardWhat happens to the membrane potential when a nerve cell is stimulated?arrow_forward
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