An Impression Is a Negative Reproduction

question 17

Multiple Choice

An impression is a negative reproduction. A cast is a positive reproduction.

• A) Both statements are true.
• B) Both statements are false.
• C) The first statement is true; the second is false.
• D) The first statement is false; the second is true.

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Definitions:

Neurotransmitter

Chemical substances in the nervous system that transmit signals between neurons.

Dopamine

A neurotransmitter involved in a number of functions, including mood, sleep, learning, and the reward system, often linked to feelings of pleasure and satisfaction.

Parkinsonism

A syndrome characterized by tremor, bradykinesia, rigidity, and postural instability, often associated with Parkinson's disease but can be caused by other conditions as well.

Muscular Rigidity

An increased tone of muscle tissue leading to stiffness and resistance to movement.