BIOLOGICAL BASES OF BEHAVIOR
NEUROTRANSMISSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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a neural impulse
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a level of stimulation needed to trigger a neuron
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a period of brief resting pauce after a neuron has fired
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the junction between the axon and the dendrite
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Detailed explanation-1: -In physiology, a refractory period is a period of time during which an organ or cell is incapable of repeating a particular action, or (more precisely) the amount of time it takes for an excitable membrane to be ready for a second stimulus once it returns to its resting state following an excitation.
Detailed explanation-2: -By definition, the refractory period is a period of time during which a cell is incapable of repeating an action potential. In terms of action potentials, it refers to the amount of time it takes for an excitable membrane to be ready to respond to a second stimulus once it returns to a resting state.
Detailed explanation-3: -Relative refractory period and threshold fatigue. Real neurons typically exhibit an absolute refractory period during which they will not fire and a relative refractory period during which the threshold for firing is elevated (Exercise 4.2 and Figure 15.3).
Detailed explanation-4: -Answer and Explanation: The correct answer is c-the relative refractory period is defined as the phase of the action potential during which a new action potential can be evoked, but a greater than normal stimulus would be required.