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a. ng the charge of a neuron b. Changing the polarity of a neural membrane c. Initiating the refractory period of the cell membrane d. Initiating hormone release from the dendrites of a neuron 14. A person who accidentally touches a hot stove immediately withdraws the affected hand. The motor action involved is the result of a. A reflex arc that does not require brain co-ordination b. An automatic reflex regulated by parasympathetic nerves c. An automatic reflex regulated by sympathetic nerves d. A reflex arc that requires brain co-ordination 15. A motor neuron will stimulate an effector if a. The refractory period does not exceed the resting period b. The travelling impulse does not affect the polarity of the axon c. Inhibitory substances prevent an overload at the synaptic cleft d. Sufficient excitatory impulses are received from associate neurons

a. ng the charge of a neuron b. Changing the polarity of a neural membrane c. Initiating the refractory period of the cell membrane d. Initiating hormone release from the dendrites of a neuron 14. A person who accidentally touches a hot stove immediately withdraws the affected hand. The motor action involved is the result of a. A reflex arc that does not require brain co-ordination b. An automatic reflex regulated by parasympathetic nerves c. An automatic reflex regulated by sympathetic nerves d. A reflex arc that requires brain co-ordination 15. A motor neuron will stimulate an effector if a. The refractory period does not exceed the resting period b. The travelling impulse does not affect the polarity of the axon c. Inhibitory substances prevent an overload at the synaptic cleft d. Sufficient excitatory impulses are received from associate neurons

Biology: The Dynamic Science (MindTap Course List)
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter39: Information Flow And The Neuron
Section: Chapter Questions
Problem 3TYK: An example of a synapse could be the site where: a. neurotransmitters released by an axon travel...
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13. A nerve stimulus may be an environmental change that is capable of a. Neutralizing the charge of a neuron b. Changing the polarity of a neural membrane c. Initiating the refractory period of the cell membrane d. Initiating hormone release from the dendrites of a neuron 14. A person who accidentally touches a hot stove immediately withdraws the affected hand. The motor action involved is the result of a. A reflex arc that does not require brain co-ordination b. An automatic reflex regulated by parasympathetic nerves c. An automatic reflex regulated by sympathetic nerves d. A reflex arc that requires brain co-ordination 15. A motor neuron will stimulate an effector if a. The refractory period does not exceed the resting period b. The travelling impulse does not affect the polarity of the axon c. Inhibitory substances prevent an overload at the synaptic cleft d. Sufficient excitatory impulses are received from associate neurons
Transcribed Image Text:13. A nerve stimulus may be an environmental change that is capable of a. Neutralizing the charge of a neuron b. Changing the polarity of a neural membrane c. Initiating the refractory period of the cell membrane d. Initiating hormone release from the dendrites of a neuron 14. A person who accidentally touches a hot stove immediately withdraws the affected hand. The motor action involved is the result of a. A reflex arc that does not require brain co-ordination b. An automatic reflex regulated by parasympathetic nerves c. An automatic reflex regulated by sympathetic nerves d. A reflex arc that requires brain co-ordination 15. A motor neuron will stimulate an effector if a. The refractory period does not exceed the resting period b. The travelling impulse does not affect the polarity of the axon c. Inhibitory substances prevent an overload at the synaptic cleft d. Sufficient excitatory impulses are received from associate neurons
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