Occlusion of the Circumflex Artery MOST Likely Causes an Infarction

question 12

Multiple Choice

Occlusion of the circumflex artery MOST likely causes an infarction in which of the following regions within the heart?

• A)SA node in the right atrium
• B)Lateral aspect of the left ventricle
• C)Anterior aspect of the left ventricle
• D)Inferior portion of the left ventricle

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Definitions:

Parkinson's Disease

A neurodegenerative disorder characterized by tremors, stiffness, slowness of movement, and balance problems, resulting from the loss of dopamine-producing brain cells.

Motor Control

The ability of the nervous system to coordinate the movements and actions of the muscles and limbs.

Cocaine

A powerful stimulant drug derived from the leaves of the coca plant, which is used medically as a local anesthetic but is also abused for its euphoric effects.

Dopamine

A neurotransmitter involved in regulating movement, mood, reward, and pleasure.