What are the major branches of the left coronary artery? 1. Anterior descending 2. Circumflex 3. Coronary sinus 4. Posterior descending

a. 1, 2, and 3 only
b. 2 and 4 only
c. 1 and 2 only
d. 2 and 3 only


ANS: C
An anterior descending branch courses down the anterior sulcus to the apex of the heart. A cir-cumflex branch moves along the coronary sulcus toward the back and around the left atrial ap-pendage.

Health Professions

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Monitoring of the secretions of the gastrointestinal system via an artificial opening would be reported with code ____________________.

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