Allen and His Best Friend Died in a Car Accident

question 56

Multiple Choice

Allen and his best friend died in a car accident two hours after their high school graduation ceremony. This tragic accident is an example of:

• A) an external stressor.
• B) a chronic stressor.
• C) an absolute stressor.
• D) a nonnormative stressor.

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Definitions:

Ether

A class of organic compounds that contain an oxygen atom connected to two alkyl or aryl groups, used as solvents and anesthetics.

Chemical Shift

A measure of the change in resonant frequency of a nucleus in a magnetic field due to its electronic environment, important in nuclear magnetic resonance (NMR) spectroscopy.

Carbon

A nonmetallic element that forms the basis of all known life on Earth, symbolized as C.

Oxygen

A chemical element with the symbol O and atomic number 8, essential for respiration in most life forms and used widely in industry.