The Details of a Mechanism Are Identified on an Assembly

question 8

Multiple Choice

The details of a mechanism are identified on an assembly with:

• A)Reference letters contained in circles
• B)Reference numbers contained in circles
• C)Either reference letters or reference numbers contained in circles

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Definitions:

Depolarization Phase

The process in which a cell's membrane potential becomes less negative, leading towards the threshold for an action potential.

Action Potential

A quick electrical impulse that travels down a neuron's axon, triggering the release of neurotransmitters.

Repolarization Phase

A stage in the cardiac cycle following depolarization, where the heart muscle returns to its resting state by restoring the negative charge on the cell's membrane.

Neuromuscular Junction

The synapse or interface between a neuron and a muscle cell, allowing for the transmission of a nerve impulse to trigger muscle contraction.