Tell Whether the Statement Is True or False

question 21

Multiple Choice

Tell whether the statement is true or false. If false, give the reason.
-{54, 55, 54, 55} = {54, 55}

• A) False; the elements cannot be repeated.
• B) False; the elements are not equal.
• C) True
• D) False; there must be the same number of elements.

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Definitions:

Gastric Suction

A procedure to remove the contents of the stomach, often using a tube inserted through the nose or mouth, for various medical reasons.

Water-Soluble Lubricant

A lubricating substance that dissolves in water, often used medically to ease insertion of devices or during examinations.

Electrocardiogram

A test that records the electrical activity of the heart over a period of time, used to detect cardiac abnormalities.

T Waves

Components of an electrocardiogram (ECG) representing the repolarization of the ventricles in the heart.