Anatomy & Physiology: The Unity of Form and Function
8th Edition
ISBN: 9781259277726
Author: Kenneth S. Saladin Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 12, Problem 6TYR
An IPSP is_____of the postsynaptic neuron.
- a. a refractory period
- b. an action potential
- c. a depolarization
- d. a repolarization
- e. a hyperpolarization
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Chapter 12 Solutions
Anatomy & Physiology: The Unity of Form and Function
Ch. 12.1 - What is a receptor? Give two examples of...Ch. 12.1 - Distinguish between the central and peripheral...Ch. 12.1 - Prob. 3BYGOCh. 12.1 - What the nervous and endocrine systems have in...Ch. 12.1 - Three fundamental functions of the nervous system;...Ch. 12.1 - Differences between the central nervous system...Ch. 12.1 - The autonomic nervous system and its two divisionsCh. 12.2 - Sketch a multipolar neuron and label its...Ch. 12.2 - Explain the differences between a sensory neuron,...Ch. 12.2 - Prob. 6BYGO
Ch. 12.2 - Prob. 7BYGOCh. 12.2 - Three fundamental physiological properties of...Ch. 12.2 - Prob. 2AYLOCh. 12.2 - Prob. 3AYLOCh. 12.2 - Prob. 4AYLOCh. 12.2 - Ways in winch neurons transport substances between...Ch. 12.3 - Prob. 8BYGOCh. 12.3 - Prob. 9BYGOCh. 12.3 - Prob. 10BYGOCh. 12.3 - Six kinds of neuroglia; the structure and...Ch. 12.3 - Prob. 2AYLOCh. 12.3 - Prob. 3AYLOCh. 12.3 - The regeneration of a damaged nerve fiber; the...Ch. 12.4 - Prob. 11BYGOCh. 12.4 - Prob. 12BYGOCh. 12.4 - Prob. 13BYGOCh. 12.4 - Prob. 14BYGOCh. 12.4 - Prob. 15BYGOCh. 12.4 - Prob. 16BYGOCh. 12.4 - Prob. 17BYGOCh. 12.4 - Prob. 1AYLOCh. 12.4 - What an electrical current is, and how sodium ions...Ch. 12.4 - How stimulation of a neuron generates a local...Ch. 12.4 - Prob. 4AYLOCh. 12.4 - Prob. 5AYLOCh. 12.4 - Prob. 6AYLOCh. 12.4 - Prob. 7AYLOCh. 12.4 - How one action potential triggers another; how the...Ch. 12.4 - Saltatory conduction in a myelinated nerve fiber,...Ch. 12.5 - Prob. 18BYGOCh. 12.5 - Prob. 19BYGOCh. 12.5 - Prob. 20BYGOCh. 12.5 - Prob. 21BYGOCh. 12.5 - Prob. 1AYLOCh. 12.5 - Prob. 2AYLOCh. 12.5 - Prob. 3AYLOCh. 12.5 - Prob. 4AYLOCh. 12.5 - Excitatory synapses; how acetylcholine and...Ch. 12.5 - Prob. 6AYLOCh. 12.5 - Prob. 7AYLOCh. 12.5 - Prob. 8AYLOCh. 12.5 - Prob. 9AYLOCh. 12.6 - Prob. 22BYGOCh. 12.6 - Prob. 23BYGOCh. 12.6 - Prob. 24BYGOCh. 12.6 - Contrast serial and parallel processing and...Ch. 12.6 - Prob. 26BYGOCh. 12.6 - Explain how long-term potentiation and long-term...Ch. 12.6 - Prob. 1AYLOCh. 12.6 - Prob. 2AYLOCh. 12.6 - Prob. 3AYLOCh. 12.6 - How a postsynaptic neurons decision to fire...Ch. 12.6 - Prob. 5AYLOCh. 12.6 - Mechanisms of presynaptic facilitation and...Ch. 12.6 - Prob. 7AYLOCh. 12.6 - Prob. 8AYLOCh. 12.6 - The meanings of neural pool and neural circuitCh. 12.6 - The difference between a neurons discharge zone...Ch. 12.6 - Diverging, converging, reverberating, and parallel...Ch. 12.6 - The difference between serial and parallel...Ch. 12.6 - The cellular basis of memory; what memory consists...Ch. 12.6 - Prob. 14AYLOCh. 12.6 - Prob. 15AYLOCh. 12 - The integrative functions of the nervous system...Ch. 12 - The highest density of voltage-gated ion channels...Ch. 12 - The soma of a mature neuron lacks a. a nucleus. b....Ch. 12 - The glial cells that fight infections in the CNS...Ch. 12 - Posttetanic potentiation of a synapse increases...Ch. 12 - An IPSP is_____of the postsynaptic neuron. a. a...Ch. 12 - Prob. 7TYRCh. 12 - Prob. 8TYRCh. 12 - Prob. 9TYRCh. 12 - Prob. 10TYRCh. 12 - Prob. 11TYRCh. 12 - Prob. 12TYRCh. 12 - Prob. 13TYRCh. 12 - Prob. 14TYRCh. 12 - Prob. 15TYRCh. 12 - A myelinated nerve fiber can produce action...Ch. 12 - Prob. 17TYRCh. 12 - Prob. 18TYRCh. 12 - Prob. 19TYRCh. 12 - Prob. 20TYRCh. 12 - Prob. 1BYMVCh. 12 - Prob. 2BYMVCh. 12 - Prob. 3BYMVCh. 12 - Prob. 4BYMVCh. 12 - Prob. 5BYMVCh. 12 - Prob. 6BYMVCh. 12 - Prob. 7BYMVCh. 12 - Prob. 8BYMVCh. 12 - Prob. 9BYMVCh. 12 - Prob. 10BYMVCh. 12 - Prob. 1WWTSCh. 12 - Prob. 2WWTSCh. 12 - Prob. 3WWTSCh. 12 - Prob. 4WWTSCh. 12 - Excitatory postsynaptic potentials lower the...Ch. 12 - Prob. 6WWTSCh. 12 - Prob. 7WWTSCh. 12 - Myelinated nerve fibers conduct signals more...Ch. 12 - Prob. 9WWTSCh. 12 - Prob. 10WWTSCh. 12 - Schizophrenia is sometimes treated with drugs such...Ch. 12 - Hyperkalemia is an excess of potassium ill the...Ch. 12 - Suppose a poison were to slow down the Na+-K+...Ch. 12 - Prob. 4TYCCh. 12 - Prob. 5TYC
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- Event "D" in the diagram above is referred to as... O a. Polarization O b. Depolarization Oc. Refractory period d. Repolarization Use the following information to answer the next question Membrane potential (mv) Action potential of a neuron in response to a stimulus of -55 mV D A B Timearrow_forwardAn action potential begins when______ . a. a neuron reaches threshold potential b. voltage-gated potassium gates open c. voltage-gated sodium gates close d. sodium–potassium pumps stop operatingarrow_forwardAny change in a neuron's membrane potential that moves the membrane potential to a value more negative than the resting potential (e.g. -120mv) is: a. Hypopolarization b. Depolarization c. An action potential d. HyperpolarizationNOTE: A IS INCORRECTarrow_forward
- The morphological difference between bipolar neurons and unipolar neurons is_ and that determines how they are classified. a. the type of neurotransmitter they contain b. one is a Golgi Type I and the other is a Golgi Type II c. the number of axons that they have d. the number of different types of neurotransmitters they contain e. none of the abovearrow_forwardWhen a neuron is at rest,_____ . a. it is at threshold potential b. voltage-gated sodium channels are open c. sodium–potassium pumps are operating d. it contains more sodium ions than the surrounding interstitial fluidarrow_forwardExcitatory postsynaptic (EPSP'S) the resting membrane potentials A. have little or no effect b Hyperpolarize c. do notchange d. depolarizearrow_forward
- Summationa. is caused by combining two or more graded potentials.b. occurs at the trigger zone of the postsynaptic neuron.c. results in an action potential if it reaches the threshold potential.d. can occur when two action potentials arrive in close succession ata single presynaptic terminal.e. All of these are correct.arrow_forwardDuring an action potential _______ A. Na+ flows out of cell and causes depolarization B. K+ flows into cell and causes repolarization C. Na+ flows into cell and causes depolarization D. K+ flows into cell and causes hyperpolarizationarrow_forwardThe difference in charges across the plasma membrane of anunstimulated neuron is calleda. an EPSP.b. the resting membrane potential.c. an IPSP.d. the graded potential.e. the action potential.arrow_forward
- Can you explain to me why choice E is the correct answer and break down why the other options are false?Select the choice option that is TRUE regarding the absolute and relative refractory periods of the action potential (AP). A. The absolute refractory period occurs when the activation gate of voltage gated sodium channel closes at the peak of the AP B. The relative refractory period occurs when the inactivation gate of voltage gated sodium channels closes at the peak of the AP C. The relative refractory period occurs when the activation gate of voltage gated potassium channels opens at the peak of the AP D. The absolute refractory period may be overcome if enough excitatory stimulation is applied to the neuronal membrane E. All of the choice options are FALSE regarding the absolute and relative refractory periods of the AParrow_forwardA synapse with all of these; a postsynaptic dendrite, an astrocyte end foot, and the presynaptic terminal button/bouton is called..... A. synaptic convergence B. engulfment synapse C. tripartite synapse D. receptor confluence synapse E. astrocytic engulfmentarrow_forwardAn inhibitory presynaptic neuron can affect a postsynaptic neuron bya. producing an IPSP in the postsynaptic neuron.b. hyperpolarizing the plasma membrane of the postsynaptic neuron.arrow_forward
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