Because Homeostasis Is Vital for Survival, _______ Mechanisms Have Evolved

question 73

Multiple Choice

Because homeostasis is vital for survival, _______ mechanisms have evolved to maintain a stable internal environment.

• A) psychological
• B) inefficient
• C) redundant
• D) novel

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Definitions:

Synapses

The junctions between neurons where nerve impulses are transmitted from one neuron to another through chemical or electrical signals.

Neurotransmitter

Chemicals in the brain that transmit signals from one neuron to another across synapses.

Dopamine

A neurotransmitter involved in the regulation of movement, emotion, motivation, and the sensation of pleasure.

Schizophrenia

A disorder characterized by delusions, hallucinations, disorganized speech, and/or diminished, inappropriate emotional expression.