Which Muscle Contraction Is Involuntary

question 37

Multiple Choice

Which muscle contraction is involuntary?

• A)cardiac only
• B)smooth only
• C)cardiac and smooth
• D)skeletal only

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Definitions:

Delta Waves

Slow brain waves with a frequency of 1-4 Hz, typically associated with deep stages of sleep and brain development in infants.

EEG Waves

The patterns of electrical activity in the brain recorded by EEG, indicative of different states of brain function or pathology.

Brain Disease

A broad category of illnesses that affect the structure or function of the brain.

EEG

Electroencephalogram, a test that measures electrical activity in the brain using small, flat metal discs attached to the scalp.