Match the Definition with the Term

question 50

Multiple Choice

Match the definition with the term.
-law of specific nerve energies

• A)All kinds of forces in the universe are potentially interchangeable forms of a sin-gle huge but quantitatively fixed reservoir of energy.
• B)All living organisms possess a nonphysical "life force" essential for life and not open to scientific analysis.
• C)All physiological process may be understood in terms of physical and chemical principles.
• D)Each sensory nerve in the body only carries one kind of sensation.

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Definitions:

Transmitters

Chemical agents released by neurons that cross synapses to carry signals to other neurons or muscles.

Transporter Proteins

Proteins that move molecules across cell membranes, playing critical roles in nutrient uptake, neurotransmitter clearance, and waste removal.

Presynaptic Axon

The part of an axon that is situated at the presynaptic side of a synapse, responsible for releasing neurotransmitters.

Neurotransmitter

A chemical substance that transmits signals across a synapse from one neuron to another in the brain and nervous system.