EBK HUMAN PHYSIOLOGY
7th Edition
ISBN: 9780133983401
Author: Silverthorn
Publisher: YUZU
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Textbook Question
Chapter 11, Problem 11CC
Compare gating and ion selectivity of acetylcholine receptor-channels in the motor end plate with that of ion channels along the axon of a somatic motor neuron.
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Chapter 11 Solutions
EBK HUMAN PHYSIOLOGY
Ch. 11 - Prob. 1CCCh. 11 - The central nervous system consists of the...Ch. 11 - Prob. 3CCCh. 11 - A nerve that carries both sensory and motor...Ch. 11 - Prob. 5CCCh. 11 - In what organelle is most intracellular Ca2+...Ch. 11 - Prob. 7CCCh. 11 - Prob. 8CCCh. 11 - Prob. 9CCCh. 11 - Prob. 10CC
Ch. 11 - Compare gating and ion selectivity of...Ch. 11 - Prob. 12CCCh. 11 - Prob. 13CCCh. 11 - Prob. 1RQCh. 11 - Prob. 2RQCh. 11 - Prob. 3RQCh. 11 - Prob. 4RQCh. 11 - Neurons that secrete acetylcholine are described...Ch. 11 - List four things that can happen to autonomic...Ch. 11 - Prob. 7RQCh. 11 - Prob. 8RQCh. 11 - Somatic motor pathways a. are excitatory or...Ch. 11 - Prob. 10RQCh. 11 - Prob. 11RQCh. 11 - Compare and contrast: a. neuroeffector junctions...Ch. 11 - Prob. 13RQCh. 11 - Create a concept map comparing the somatic motor...Ch. 11 - If a target cells receptor is _______ (use items...Ch. 11 - Ganglia contain the cell bodies of (choose all...Ch. 11 - Prob. 17RQCh. 11 - You have discovered a neuron that innervates an...Ch. 11 - Prob. 19RQCh. 11 - Prob. 20RQ
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- Describe in details the biochemical and mechanochemical series of events that enables motor neurons to trigger muscle contraction, using the biceps brachii as an example.arrow_forwardDescribe the functions of gamma motor neurons and explain why they are stimulated at the same time as alpha motor neurons during voluntary muscle contractions.arrow_forwardOutline the process of transferring the action potential inthe presynaptic terminal to the motor end-plate.arrow_forward
- Anatomically, the motor endplate potential is characterized by synaptic boutons active zones junctional folds Ach receptor-channels all the abovearrow_forwardMyosin II action differs from that of kinesin in that one of the kinesin heads is always in contact with a microtubule, whereas both myosin heads become completely detached from the actin filament. How are these differences correlated with the two types of motor activities in which these proteins engage?arrow_forwardExplain the intracellular mechansim of smooth muscle relaxation of agaonist such as mepyrimine and atropine.arrow_forward
- In your own words, describe the main events occurring between the arrivalof an action potential at a motor neuron end plate and contraction of thecorresponding muscle. Use 250 words or less.arrow_forwardCaffeine prolongs the life span of acetylcholine molecules in the motor junctions. Explain how this fact is related to caffeine’s tendency to cause jitters, such as hand tremors and other small involuntary contractions.arrow_forwardExplain the intracellular mechansim of smooth muscle relaxation of agaonist such as mepyrimine and atropine. Give diagram for each.arrow_forward
- Describe the structures and functions of actin-based motor proteins, myosins.arrow_forwardMotor neurons have many functions, which include to: Carry a nerve impulse away from the CNS Send sensory information to the CNS Detect a stimulus from a sensory receptor Transmit a nerve impulse to an interneuron Take an impulse from an effector to a sensory neuronarrow_forwardHow many quanta of acetylcholine (ACh) are required to depolarize the motor end plate from −80 mV to −70 mV if a miniature end plate potential (MEPP) is 0.4 mV?arrow_forward
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