Radio Research Initially Began in What Decade

question 11

Multiple Choice

Radio research initially began in what decade?

• A) 1900s
• B) late 1920s
• C) early 40s
• D) early 30s

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Definitions:

Hypothalamus

A region of the brain responsible for the regulation of certain metabolic processes and other activities, including temperature control, hunger, and circadian rhythms.

Autonomic Subdivision

A part of the nervous system that controls involuntary bodily functions, such as heart rate, digestion, and respiratory rate.

Sympathetic Nerves

Part of the autonomic nervous system that often prepares the body for rapid action in response to stress by accelerating the heart rate and increasing blood pressure, among other functions.

Parasympathetic

The branch of the autonomic nervous system that conserves energy as it slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles.