Two Technicians Are Discussing Thermodynamics

question 10

Multiple Choice

Two technicians are discussing thermodynamics. Technician A says that energy cannot be created or destroyed. Technician B says that energy can be exhausted. Who is correct?

• A) A only
• B) B only
• C) Both A and B
• D) Neither A nor B

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Definitions:

Neurotransmitters

Chemicals that transmit signals across a synapse from one neuron to another neuron, muscle cell, or gland cell.

Synaptic Vesicle

Membrane-bound sacs in the presynaptic terminals of neurons that store neurotransmitters, which are released into the synaptic cleft in response to an action potential.

Axon

A long, slender projection of a nerve cell, or neuron, that conducts electrical impulses away from the neuron's cell body.

Dendrite

Extensions of a neuron that receive signals from other cells and transmit them toward the cell body.