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week 7 study
nervous system
| Question | Answer |
|---|---|
| WHICH OF THE FOLLOWING STATEMENTS ABOUT AMINO ACID NEUROTRANSMITTERS IS INCORRECT | THEY ARE ALL INHIBITORY NEUROTRANSMITTERS |
| WHICH NEURON COULD TRANSMIT A NERVE IMPULSE THE FASTEST | A LARGE DIAMETER NEURON WITH MYELIN |
| WHICH IS TRUE OF A NEURON WITH A RESTING POTENTIAL | SODIUM PUMP HAS MOVED NA+ TO THE OUTSIDE OF THE PLASMA MEMBRANE |
| WHICH OF THE FOLLOWING IS NOT USED BY THE BODY NEUROTRANSMITTER | ALL ARE TRUE NITRIC, ACELYLCHOLINE, CARBON MONO |
| THE ONLY IONS THAT CAN DIFFUSE ACROSS A NEURONS MEMBRANE WHEN THE NEURON IS AT REST IS | POTASSIUM |
| ASYNAPSE CONSISTS OF | KNOB, SYNAPTIC CLEFT, PLASMA MEMBRANE OF A POSTSYNAPTIC NEURON |
| DOPAMINE, EPINEPHRINE AND NOREPINEPHRINE ARE CLASSIFIED AS | CATECHOLAMINES |
| WHEN AN IMPULSE REACHES A SYNAPSE | CHEMICAL TRANSMITTERS ARE RELEASED |
| DURING A RELATIVE REFRACTORY PERIOD | THE ACTION POTENTIAL CAN BE INITIATED WITH A STRONG STIMULUS |
| A SYNAPTIC KNOB WOULD BE LOCATED ON AN | AXON |
| THE FASTEST NERVE FIBERS IN THE BODY CAN CONDUCT IMPULSES UP TO APPROX. _______ METERS PER SECOND | 130 |
| THE FIRST EVENT TO OCCUR WHEN AN ADEQUATE STIMULUS IS APPLIED TO A NEURON IS | SOME OF THE SODIUM CHANNELS AT THE POINT OF STIMULATION OPEN |