GENERAL ANATOMY
NERVOUS SYSTEM
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Polarised region
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Resting region
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Excited region
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None of the above
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Detailed explanation-1: -Transverse waves that exhibit polarization include electromagnetic waves such as light and radio waves, gravitational waves, and transverse sound waves (shear waves) in solids.
Detailed explanation-2: -Heart muscle cells are polarized when at rest. This means that the net charge density of the fluid inside and outside of the cells is different, because ion concentrations are different on either side of the cell membranes.
Detailed explanation-3: -Polarization occurs when an electric field distorts the negative cloud of electrons around positive atomic nuclei in a direction opposite the field. This slight separation of charge makes one side of the atom somewhat positive and the opposite side somewhat negative.
Detailed explanation-4: -What is meant by depolarization of the heart? Depolarization of the heart is the orderly passage of electrical current sequentially through the heart muscle, changing it, cell by cell, from the resting polarized state to the depolarized state until the entire heart is depolarized.