Structural Abnormalities of the Esophagus May Be Diagnosed by Endoscopy

question 138

Multiple Choice

Structural abnormalities of the esophagus may be diagnosed by endoscopy of the

• A) lower GI tract.
• B) rectum.
• C) small intestine.
• D) upper GI tract.
• E) sigmoid colon.

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Definitions:

Electroencephalograph (EEG)

A medical test used to measure the electrical activity of the brain, often used in the diagnosis of neurological conditions.

REM Sleep

Rapid Eye Movement Sleep, a unique phase of sleep characterized by rapid movement of the eyes, increased brain activity, and vivid dreams.

Amplitude

The extent of a vibratory movement, measured from the position of equilibrium to the highest point of the wave, indicating the strength or intensity of a wave phenomenon.

Voluntary Muscle Activity

Muscle movements that are consciously controlled by the brain, typically involving the skeletal muscles.