Why Is It Critical to Collect Background and Matrix Samples

question 12

Multiple Choice

Why is it critical to collect background and matrix samples for fire debris analysis?

• A) to have extra samples just in case
• B) for examination of burn and wear patterns
• C) many common materials are made with petroleum products
• D) it is customary to always collect at least three samples
• E) none of the above

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Definitions:

Presynaptic Terminal

The end part of an axon from which the release of neurotransmitters happens to signal the next neuron across a synaptic gap.

Synapse

The junction between two neurons where electrical or chemical signals are transmitted from one neuron to another.

Neuromuscular Junctions

Specialized synapses between motor neurons and muscle fibers, enabling signal transmission for muscle contraction.

Neurotransmitter

Chemicals released by neurons to transmit signals to other neurons or muscles, affecting various bodily functions and behaviors.