Over 1 Cycle of a Cyclic Process in Which a System

question 26

Multiple Choice

Over 1 cycle of a cyclic process in which a system does net work on its environment:

• A)the change in the pressure of the system cannot be zero
• B)the change in the volume of the system cannot be zero
• C)the change in the temperature of the system cannot be zero
• D)the change in the internal energy of the system cannot be zero
• E)none of the above

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Definitions:

Action Potential

A temporary reversal of the electrical polarity of the cell membrane that travels along a neuron, enabling the transmission of nerve impulses.

Neurotransmitters

Chemical substances in the nervous system that transmit signals from one neuron to another across synapses.

Terminal Buttons

The small knobs at the end of an axon that release chemicals known as neurotransmitters, which transmit signals to other neurons.

Myelin Sheath

A fatty layer that surrounds the axons of some neurons, providing insulation and improving the speed and efficiency of neural signal transmission.