An action potential begins when the excitatory inputs are sufficiently strong with respect to inhibitory inputs to depolarize the cell from ______________ millivolts.

Related MCQs

• _________________ usually communicates inhibitory messages to other neurons and helps balance and offset excitatory messages.
• When an action potential reaches the axon terminal, synaptic vesicles move toward the _____________________.
• When the action potential reaches the axon ending, it causes tiny bubbles of chemicals called ____________________ to release their contents into the synaptic gap.
• Under strong emotions:
• ____________________ refers to the point at which a stimulus is strong enough to be detected by activating sensory receptors.
• Control of the anterior pituitary is by -----------inputs from the hypothalamus but the posterior pituitary are controlled by --------input from the hypothalamus.
• The _______________ tends to be more holistic; processes information with respect to global patterns.
• What is a target cell?
• The optic nerve is composed of one axon fiber extending from each ___ cell in the retina.
• _______________ is a highly specialized cell that communicates information in electrical and chemical form.