Certain Drugs Suppress the Activity of the Sympathetic Nervous System

question 107

Multiple Choice

Certain drugs suppress the activity of the sympathetic nervous system, the branch of the autonomic nervous system associated with increases in heart rate, respiration, and adrenaline release. If a drug could block this system altogether, Walter Cannon would predict that:

• A)emotions could not be experienced.
• B)negative valence emotions could not be experienced.
• C)high arousal emotions could not be experienced.
• D)the physiological changes accompanying the experienced emotion might be missing.

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Definitions:

Silicon Tetrahedron

A fundamental structural unit in silicate minerals, consisting of four oxygen atoms symmetrically arranged around a central silicon atom.

Cleavage

The tendency of a mineral to break along flat, smooth surfaces, which is related to the mineral’s crystal structure.

Silicate Minerals

Minerals that contain silicon and oxygen, and usually one or more additional elements, making up the largest and most important class of rock-forming minerals.

Silicon

A chemical element with the symbol Si and atomic number 14, known for its semiconductor properties and widely used in electronics and computer chips.