How Fast a Person Can Type or Play the Piano

question 84

Multiple Choice

How fast a person can type or play the piano is ultimately limited by the number of impulses a person can send to their finger muscles per second. This in turn is limited by

• A) primarily the type of muscle.
• B) whether the signal is pain, sound, motor, etc.
• C) the magnitude or strength of the nerve impulse.
• D) the number of neurons and synapses involved.
• E) the speed with which sodium ions can be pumped out of the axon.

---

Definitions:

Intelligence

The ability to learn, understand, and apply knowledge, solve problems, and adapt to new situations.

Schizophrenia

A mental disorder characterized by abnormal behavior, disorganized speech, and a decreased ability to understand reality.

Virus

A microscopic infectious agent that replicates only inside the living cells of an organism and can cause a variety of diseases.

Dependent Variable

The variable in an experiment that is expected to change in response to manipulations of the independent variable, used to assess the effect of the treatment.