A Stressor Is Defined As

question 19

Multiple Choice

A stressor is defined as:

• A)a trigger or stimulus that induces stress
• B)the physiological reaction of the body to environmental factors
• C)a negative emotion resulting from environmental unpleasantness
• D)the nonspecific response of the body to any demand made on it

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Definitions:

Nuclei

The central and most important parts of an atom, or a cell's structure that contains the genetic material.

Resting Membrane Potential

The electrical charge difference across the cell membrane when the cell is in a non-excited state.

Local Potential

A temporary, localized change in resting potential, usually occurring in neurons, that can lead to an action potential if it reaches threshold.

Electrically Excitable Cells

Cells that can change their membrane potential in response to a stimulus, leading to generation and propagation of action potentials.