12. The calcium channels are found in the axon terminal end of the neuron (True/False): _________ 13....

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Medical Sciences

12. The calcium channels are found in the axon terminal end ofthe neuron (True/False): ___
13. During depolarization _ channels open and _ion rushes into the cell.

14. During repolarization ___ channels open and rushes out of the cell.
15. The resting membrane potential is restored by_.
A. Na channel B. Calcium channel C. Potassium channel D. Na/Kvoltage gated channel
Which of the following correctly describes a gradedpotential?
a. long distance signaling b. intensity of stimulation c. voltagestimulus to initiate d. voltage regulated repolarization
When threshold is reached, this results in potentialwhich is the basis for nerve impulse.
Saltatory conduction is made possible by __.
a. the myelin sheath b. large nerve fibers c. diphasic impulses d.erratic transmission of nerve impulses
The synaptic vesicles release the neurotransmitter Ach into thesynaptic cleft via
a. Endocytosis b. Exocytosis c. Transcytosis d. Phagocytosis

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4.1 Ratings (679 Votes)

The Calcium channels are found in the terminal end of axon With help of these channels Calcium ion enters in the axon and cause fusion of neurotransmitter vesicles with the membrane thus releasing neurotransmitter TRUE Depolarization means entry of positively charged ions passively into the cell from the extracellular fluid As See Answer

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