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Author Question: What are the major branches of the left coronary artery? 1. Anterior descending 2. Circumflex 3. ... (Read 38 times)

altibaby

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on: Jul 16, 2018
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

Question 2

What are the first arteries to branch off the ascending aorta?
 
  a. Brachiocephalic
  b. Carotid
  c. Coronary
  d. Subclavian


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l.stuut

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Reply #1 on: Jul 16, 2018
Answer to Question 1

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.

Answer to Question 2

ANS: C
Two main coronary arteries, a left and a right, arise from the root of the aorta.


altibaby

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Reply 2 on: Jul 16, 2018
Gracias!

scikid

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Reply 3 on: Yesterday
Excellent

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