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physiology week 1-5
Question | Answer |
---|---|
What chemicals allow neurons to communicate with one another: | neurotransmitters |
The mechanisms thar produce and maintain the resting membrane potential do so by producing: | slight excess of positive ions on the outer surface of the plasma membrane |
The active transport mechanism in the plasma membrane that transports sodium and potassium ions in opposite directions and at different rates are: | sodium-potassium pump |
A term commonly used as a synonym for action potential is: | nerve impulse |
An ion channel that opens in response to a sensory stimulus is a: | stimulus-gated channel |
A membrane that exhibits a membrane potential is said to be: | polarized |
Movement of the membrane potential away from zero (below the usual RMP) is called: | hyperpolarization |
The tiny bulge at the end of a terminal branch of a presynaptic neurons axon is called a: | synaptic knob |
Moving a part of the body forward is: | protraction |
Kicking a football is accomplished by: | extension |