Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Textbook Question
Chapter 12.3, Problem 33CC
How can a neuron alter the amount of neurotransmitter it releases? [Hint: See Fig. 8.21, p. 258.]
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Chapter 12 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 12.1 - Identify as many pairs of antagonistic muscle...Ch. 12.1 - Prob. 2CCCh. 12.1 - Prob. 3CCCh. 12.1 - Prob. 4CCCh. 12.1 - What are the three anatomical elements of a...Ch. 12.1 - What is the chemical signal at a neuromuscular...Ch. 12.1 - Prob. 7CCCh. 12.1 - Prob. 8CCCh. 12.1 - Prob. 9CCCh. 12.1 - Name an elastic fiber in the sarcomere that aids...
Ch. 12.1 - Prob. 11CCCh. 12.1 - Prob. 12CCCh. 12.1 - Prob. 13CCCh. 12.1 - According to the convention for naming enzymes,...Ch. 12.1 - Prob. 15CCCh. 12.1 - Prob. 16CCCh. 12.1 - Summation in muscle fibers means that the...Ch. 12.1 - Prob. 18CCCh. 12.1 - Which type of runner would you expect to have more...Ch. 12.1 - What is the response of a muscle fiber to an...Ch. 12.1 - Prob. 21CCCh. 12.2 - One study found that many world-class athletes...Ch. 12.3 - What is the response of a muscle fiber to an...Ch. 12.3 - Prob. 24CCCh. 12.3 - Prob. 25CCCh. 12.3 - Prob. 26CCCh. 12.3 - Prob. 27CCCh. 12.3 - Prob. 28CCCh. 12.3 - What happens to contraction if a smooth muscle is...Ch. 12.3 - Prob. 30CCCh. 12.3 - Prob. 31CCCh. 12.3 - Prob. 32CCCh. 12.3 - How can a neuron alter the amount of...Ch. 12.3 - Prob. 34CCCh. 12.3 - Prob. 35CCCh. 12 - The three types of muscle tissue found in the...Ch. 12 - Which two muscle types are striated?Ch. 12 - Which type of muscle tissue is controlled only by...Ch. 12 - Arrange the following skeletal muscle components...Ch. 12 - The modified endoplasmic reticulum of skeletal...Ch. 12 - Prob. 6RQCh. 12 - Prob. 7RQCh. 12 - List six proteins that make up the myofibrils....Ch. 12 - List the letters used to label the elements of a...Ch. 12 - Briefly explain the functions of titin and...Ch. 12 - During contraction, the __________ band remains a...Ch. 12 - Explain the sliding filament theory of...Ch. 12 - Explain the roles of troponin, tropomyosin, and...Ch. 12 - Which neurotransmitter is released by somatic...Ch. 12 - What is the motor end plate, and what kinds of...Ch. 12 - Prob. 16RQCh. 12 - Prob. 17RQCh. 12 - Prob. 18RQCh. 12 - The basic unit of contraction in an intact...Ch. 12 - The two functional types of smooth muscle are...Ch. 12 - Prob. 21RQCh. 12 - Prob. 22RQCh. 12 - Prob. 23RQCh. 12 - Define muscle fatigue. Summarize factors that...Ch. 12 - Prob. 25RQCh. 12 - Prob. 26RQCh. 12 - Prob. 27RQCh. 12 - What is the role of the sarcoplasmic reticulum in...Ch. 12 - Compare and contrast: a. fast-twitch...Ch. 12 - Prob. 30RQCh. 12 - One way that scientists study muscles is to put...Ch. 12 - Prob. 32RQCh. 12 - On the basis of what you have learned about muscle...Ch. 12 - Prob. 34RQCh. 12 - Prob. 35RQ
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- Why neurotransmitters are important? Cite at least 3 examples.arrow_forwardHow do neurotransmitters directly affect the postsynaptic neuron? A)They cause a change in the electrical potential, exciting the neuron and causing it to fire b)They cause a change in the electrical potential, either exciting or inhibiting the next neuron. C)They cause a change in the electrical potential, inhibiting the neuron and stopping it from fi d)They connect with the appropriate receptor on the postsynaptic neuronarrow_forwardDescribe the structural and functional properties of the major classes of neurotransmitters.?arrow_forward
- If extracellular [Na1] is elevated, how would the resting potential and action potential of a neuron change?arrow_forwardHow much of a change in the membrane potential is necessary for the summation of postsynaptic potentials to result in an action potential being generated?arrow_forward3 of 4 (HBS 2.2.2) Match the letter to the correct structure name. -A X re-uptake Y D E F Y : Receptor Protein : Pre-synaptic vesicle in axon terminal :: Neurotransmitters : Reuptake Inhibiton :: Synapse : Dendrite Next IIIIIIarrow_forward
- Describe in detail the function for three type of potentials seen in neurons and describe in detail the three types of potentials seen in neurons?arrow_forward1.1 What would be the effect of blocking neurotransmitter degradation on neurotransmitter concentration at the synapse? 1.2You are studying an excitatory synapse that is not strong enough to evoke a postsynaptic action potential. Would the probability of a postsynaptic potential increase or decrease after blocking neurotransmitter degradation? 1.3 ) You are studying an excitatory synapse that evokes a postsynaptic action potential. Would the probability of a postsynaptic potential increase or decrease after blocking presynaptic voltage-gated calcium channels?arrow_forwardWhat is the function of a neurotransmitter?arrow_forward
- Describe the function of neurotransmitters and provide one or two examples: This part of the brain controls speech?arrow_forwardWhich of the following statements concerning synapses is FALSE? O A) Modulation of synaptic strength can be presynaptic of postsynaptic B) High frequency stimulation in the presynaptic neuron often leads to DECREASED neurotransmitter release O C) Modulation of synaptic strength can either be short term, lasting seconds, or long term, lasting as long as a lifetime. D) Agonists are drugs that mimic neurotransmitters and antagonists are drugs that block the action of neurotransmitters O E) Certain drugs prevent the reuptake of neurotransmitter from the synapsearrow_forwardhow many molecules of neurotransmitter are in a synaptic vesicle?arrow_forward
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