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Depolarization of neurons - Study guides, Class notes & Summaries

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BIOD 152 FINAL EXAM 2025

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    BIOD 152 FINAL EXAM 2025

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  • This is a bundle of axons found in the peripheral nervous system. - Correct Ans-nerves This part of the autonomic system increases digestion - Correct Ans-parasympathetic nervous system The ventral root of a nerve contains what type of neurons - Correct Ans-Motor (efferent) This part of a neuron conducts nerve impulses toward the cell body - Correct Ans-Dendrites A neuron going to the bicep of the forearm is part of the: A. CNS B. PNS C. Autonomic system D. Somatic E. A and C D...
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NUR 6011 mid term Exam Question Bank Q&A 2025.

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    NUR 6011 mid term Exam Question Bank Q&A 2025.

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  • Week 1: What is true about competitive inhibitors? They promote the binding of an agonist at an active site. They bind to a different place on the same molecule. Competitive and allosteric inhibitors act at the same place of the molecule. *They act at the same site as the drug. They are less effective than agonists. Which term describes the ability of a drug to activate a biological effect? Affinity Agonism Efficacy Potency Incidence What best describes the selectivity of a drug? The eff...
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GRCC BI 121 SPOs: Nervous System Questions and Answers Latest Version 100% Pass

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    GRCC BI 121 SPOs: Nervous System Questions and Answers Latest Version 100% Pass

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  • GRCC BI 121 SPOs: Nervous System Questions and Answers Latest Version 100% Pass Which part of the neuron receives signals from other neurons? Dendrites Which part of the nervous system controls involuntary actions like heartbeat and digestion? Autonomic nervous system Which type of neuron transmits signals from sensory receptors to the central nervous system? Sensory neuron Which cells form the myelin sheath in the peripheral nervous system? Schwann cells Which part of the...
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Portage Learning A&P 2 BIOD 152 Final Exam Questions with Verified Solutions 2025

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    Portage Learning A&P 2 BIOD 152 Final Exam Questions with Verified Solutions 2025

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  • Collection of cell bodies in the PNS Ganglia This part of the autonomic NS increases digestion parasympathetic NS Ventral root of a nerve contains what type of neurons? motor Neuron part that conducts nerve impulse away from body axon An interneuron inside the spinal cord is part of the central nervous system Describe Synthesis & Storage of Neurotransmitters Cell body manufactures NT's, they are stored in the secretory vesicles at the end of the axon terminal An efferent neuron ca...
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ASU BIO 181 EXAM 3 Actual Exam Already Verified Answers Graded A+

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    ASU BIO 181 EXAM 3 Actual Exam Already Verified Answers Graded A+

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  • Excitatory synapses make the post-synaptic cell less likely to fire. - Correct Ans-False The neural tissues are: - Correct Ans-Spinal cord, sensory neurons, and brain How do the glial cells (i.e., myelin sheath) speed up the firing of neurons? - Correct Ans-The cell wraps extensions of a fatty insulating substance (myelin) around the axons of neurons. The action potential is: - Correct Ans-A result of the movement of ions. Receptors are made from membrane-bound polyribosomes. - Corre...
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Portage Learning A&P 2 Final Exam And UpdatedVerified Answers 2024.

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    Portage Learning A&P 2 Final Exam And UpdatedVerified Answers 2024.

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  • This is a collection of cell bodies found in the peripheral nervous system. - Answer Ganglia This part of the autonomic system increases digestion. - Answer Parasympathetic The ventral root of a nerve contains what type of neurons? - Answer Motor (Efferent) This part of a neuron conducts nerve impulses away from the cell body. - Answer Axon An interneuron inside the spinal cord is part of the: - Answer Central nervous system Describe the synthesis and storage of neurotra...
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Guyton-Hall Physiology, Chapter 5 Questions And Answers

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    Guyton-Hall Physiology, Chapter 5 Questions And Answers

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  • resting membrane potential threshhold - ANS the minimum charge we need to reach for action potential to happen V sub m equilibrium potential - ANS the electrical potential that counters net diffusion of an ion (K⁺, Na⁺) is called the (K⁺, Na⁺) equilibrium potential E sub K E sub K for K⁺ - ANS -94 mV E sub NA - ANS +61 mV resting membrane potential for K⁺ - ANS -90 to -70 the resting membrane potential is closest to the equilibr...
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USABO Open Exam 2024 | 100% Correct Answers | Verified | Latest 2024 Version

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    USABO Open Exam 2024 | 100% Correct Answers | Verified | Latest 2024 Version

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  • Why is myelin important in the nervous system? A. It allows signals to travel faster along axons because depolarization occurs only at myelinated locations. B. It allows signals to travel faster along axons because depolarization occurs only at nonmyelinated locations. C. It bundles the dendrites of adjacent neurons together. D. It increases capacitance across the cell membrane, which helps electrical signals to leave the axons. E. It traps neurotransmitters, increasing their concentratio...
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bio 201 exam 3 rio salado CORRECT 100%

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    bio 201 exam 3 rio salado CORRECT 100%

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  • action potential can be generated by virtually all cells of the body because all cells possess cell membranes - ANSWERfalse, only cells with excitable membranes such as nervous and muscle cells can generate action potential Nodes of Ranvier are only found on myelinated, peripheral neural processes - ANSWERtrue efferent nerve fibers may be described as motor nerve fibers - ANSWERtrue a positive feedback cycle is the main force in the generation of graded potentials at receptor ends - ANS...
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HTHS 1111 Midterm Exam Questions and Answers 2024 Graded A

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    HTHS 1111 Midterm Exam Questions and Answers 2024 Graded A

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  • Afferent - Signal to the brain, input Efferent - motor, output sensory receptors - receptors of the nervous system Control center of CNS - Brain Effectors of nervous system - muscles and glands transduction - How sensory information is received What is the CNS composed of? - brain and spinal cord What is the PNS composed of? - cranial nerves III-XII, Spinal nerves, ganglia, enteric plexuses, sensory receptors ganglion - collection of nerve cell bodies in the peripheral ne...
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SHS 311 EXAM 2 A&B QUESTIONS AND ANSWERS 100% GUARANTEED PASS

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    SHS 311 EXAM 2 A&B QUESTIONS AND ANSWERS 100% GUARANTEED PASS

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  • SHS 311 EXAM 2 A&B QUESTIONS AND ANSWERS 100% GUARANTEED PASS What are the general differences of the size of each b/t the base and apex? - Answer-Basilar membrane is wider at the apex than it is at the base, while the cochlea becomes smaller from base to apex. What structure supplies the basic metabolic energy for the cochlea? - Answer-STRIA VASCULARIS What is the function of the Cochlea? - Answer-Transduces sound vibrations into neural signals -These neural signals code for frequency, ...
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Bio 161 Exam 3 Questions and Correct Answers

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    Bio 161 Exam 3 Questions and Correct Answers

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  • Secretion definition - the process of converting an electrical signal (presynaptic neuron) to a chemical signal (synapse) and then back to an electrical signal (post synaptic neuron) Synaptic Activity - allows neurons to communicate with one another What happens in Secretion? - the release of neurotransmitters Neurotransmitters - derived from amino acids (dopamine or norepinephrine) - derived from gas (acetylcholine) - carries chemical signal/messages Vesicle - stores neurotransmitters - tra...
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