Which of the Following Statements Does NOT Accurately Describe the Structure

question 64

Multiple Choice

Which of the following statements does NOT accurately describe the structure and function of the heart?

• A) The atrioventricular (AV) node is found in the right atrium
• B) Purkinje fibers are specialized myocytes that propagate action potentials similar to axons
• C) Electrical coupling between cardiac myocytes ensures that depolarization (and thus contract) occurs nearly at the same time in all the myocytes in a ventricle
• D) Purkinje cells that originate in the AV node primarily uses acetylcholine (ACh) as a neurotransmitter in coordinating ventricular contraction

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Definitions:

Deca-

A prefix meaning ten, used in forming terms denoting objects composed of ten parts or units.

Primi-

A prefix meaning "first" used in medical terminology to denote the first occurrence or a primary condition.

Tri-

A prefix meaning three, used in terms referring to three parts or threefold.

Epigastric

Pertaining to the abdominal region located above the stomach.