human physiology study questions 8

human physiology study questions 8 - channels open/close d....

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Study Questions: Friday 2/8/08 – Neural Signaling 1. When an action potential reaches the end of a pre-synaptic neuron the order of events are: a. Ca channels open, depolarization occurs, Ca diffuses inside the axon terminal, vesicles fuse with plasma membrane and release its contents, neurotransmitter attaches to post-synaptic cell, post-synaptic cell ion channels open/close b. Depolarization occurs, Ca diffuses inside the axon terminal, Ca channels open, vesicles fuse with plasma membrane and release its contents, neurotransmitter attaches to post-synaptic cell, post-synaptic cell ion channels open/close c. Depolarization occurs, Ca channels open, Ca diffuses inside the axon terminal, vesicles fuse with plasma membrane and release its contents, neurotransmitter attaches to post-synaptic cell, post-synaptic cell ion
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Unformatted text preview: channels open/close d. Ca diffuses inside the axon terminal, Ca channels open, depolarization occurs, vesicles fuse with plasma membrane and release its contents, neurotransmitter attaches to post-synaptic cell, post-synaptic cell ion channels open/close 2. Which of the following is/are FALSE: a. Nicotinic receptors are a type of acetylcholine receptor commonly found in the synaptic clefts of muscle synapses. b. Two classes of amino acid receptors are alpha-adrenergic and beta-adrenergic receptors binding Epinephrine and NorEpinephrine . c. Carbon Monoxide is a gaseous neuromodulator that may have a role in learning d. Acetylcholine receptors are capable of coupling with G proteins in heart tissue e. B and D are false f. All of the above are false...
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This note was uploaded on 07/01/2008 for the course INTEGRATIV 130 taught by Professor Kregel during the Spring '08 term at University of Iowa.

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