Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 13, Problem 4RQ
What is a synapse? Explain the difference between an excitatory and an inhibitory synapse.
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What is an electrical synapse? Where can electrical synapses be found? Identify an advantage and a disadvantage of an electrical synapse compared to a chemical synapse.
What are electrical synapses? Give some examples?
What is meant by a chemical synapse?
Chapter 13 Solutions
Human Biology (MindTap Course List)
Ch. 13 - Explain the difference between a sensory neuron,...Ch. 13 - What are the functional zones of a motor neuron?Ch. 13 - Define an action potential.Ch. 13 - What is a synapse? Explain the difference between...Ch. 13 - Explain what happens during synaptic integration.Ch. 13 - Prob. 6RQCh. 13 - Prob. 7RQCh. 13 - The nervous system senses, interprets, and issues...Ch. 13 - A neuron responds to adequate stimulation with...Ch. 13 - When action potentials arrive at a synapse between...
Ch. 13 - In the simplest kind of reflex______, directly...Ch. 13 - The accelerating flow of _______ ions through...Ch. 13 - Prob. 6SQCh. 13 - Prob. 7SQCh. 13 - Cerebrospinal fluid _____. a. fills cavities and...Ch. 13 - Match each region of the central nervous system...Ch. 13 - Prob. 1CTCh. 13 - In newborns and premature babies, the bloodbrain...Ch. 13 - Prob. 3CT
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- Why do neurotransmitters have to be removed from the synapse?arrow_forwardWhat is long-term potentiation (LTP) and how does it occur? What changes in the cell should we expect to observe when a synapse is in a "potentiated" state?arrow_forwardWhat are the two main features of an electrical synapse?arrow_forward
- What is synapse?arrow_forwardWhat is a post-synaptic potential and how is it caused? Describe the two types of post-synaptic potentials that can occur. Within this context, what does excitatory and inhibitory mean?arrow_forwardWhat are the functional advantages and disadvantages of electrical synapses?arrow_forward
- What is a typical value for an inhibitory post synaptic potential? Why is i inhibitory?arrow_forwardDefine the term inhibitory synapse?arrow_forwardEvents at a chemical synapse usually involve opening both voltage-gated ion channels and chemically gated ion channels. Where are these ion channels located and what causes each to open?arrow_forward
- Which of the following statements does not accurately describe a synapses? A) Both chemical and electrical synapses relay information through similar mechanisms. B) Both chemical and electrical synapses relay information from neurons to target cells. C) Electrical synapses have no gaps between the neuron and target cell. D) Chemical synapses have a gap between the neuron and target cell.arrow_forwardDescribe the difference between an electrical synapse and a chemicalsynapse. What advantage is provided by chemical synapses?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_forward
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