What Are Artifacts

question 17

Multiple Choice

What are artifacts?

• A) The marking code recorded by the ECG to indicate which lead is being run
• B) Additional electrical activity picked up by the electrocardiograph
• C) A type of standardization mark
• D) Rare objects uncovered in ancient Peru

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Definitions:

Withdrawal Symptoms

Withdrawal symptoms are physical or psychological effects that occur after reducing or stopping the intake of a substance that the body has become dependent on.

Activation-Synthesis Theory

A neurobiological theory explaining dreams as the brain's attempt to make sense of random neural activity during REM sleep.

Cerebral Cortex

The outermost layer of the brain, playing a key role in memory, attention, perception, cognition, awareness, thought, language, and consciousness.

Dreaming

A series of thoughts, images, and sensations occurring in a person's mind during sleep, often associated with REM sleep stages.