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Physiology
| Question | Answer |
|---|---|
| The tiny bulge at the end of a terminal branch of a presynaptic neuron’s axon is called a(n) synaptic knob. | synaptic knob |
| The membrane potential maintained by a nonconducting neuron’s plasma membrane is called the _____ membrane potential. | Resting |
| The difference between sodium and potassium in the generation of action potential is that: | sodium causes depolarization of the cell membrane, and potassium causes repolarization of the cell membrane. |
| A neurologist is using a voltmeter to measure potential. The membrane potential of a neuron was recorded at +30 mV. This is what type of membrane potential? | Action |
| Which chemicals allow neurons to communicate with one another? neurotransmitters | neurotransmitters |
| Which membrane receptor acts to directly change ion permeability when stimulated? Gated channel receptor | Gated channel receptor |
| The active transport mechanism in the plasma membrane that transports sodium and potassium ions in opposite directions and at different rates is the | sodium potassium channel |
| When neurotransmitters from synaptic knobs stimulate a postsynaptic neuron in rapid succession, their effect can add up over a brief period to produce an action potential. This is called temporal stimulation | temporal stimulation |
| A reflex consists of either a muscle contraction or a | glandular secretion |
| The _____ is an extension of the great toe, with or without fanning of the other toes, in response to stimulation of the outer margin of the sole of the foot. babinski sign | babinski sign |
Created by:
Dane666