The Epidermal Layer Whose Cells Have Stopped Dividing and Started

question 5

Multiple Choice

The epidermal layer whose cells have stopped dividing and started to produce large amounts of keratin is the

• A) stratum corneum.
• B) stratum lucidum.
• C) stratum basale.
• D) stratum granulosum.
• E) stratum spinosum.

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Definitions:

AV Node

The Atrioventricular Node, a part of the cardiac conduction system that delays the transmission of electrical impulses from the atria to the ventricles.

Action Potentials

Quick changes in the electrical charge of a neuron's membrane, allowing the transmission of nerve impulses.

Ventricles Repolarize

The process by which the heart's ventricles return to their resting state after contraction, crucial for heart rhythm.

Pacemaker Potential

The self-generated electrical potential that triggers the spontaneous depolarization of cells in the heart's pacemaker regions, leading to heartbeat regulation.