Where do the coronary arteries arise? Which is the most important artery in the supply to the circulus arteriolosus? Which artery is most important in supplying the superficial tis... Where do the coronary arteries arise? Which is the most important artery in the supply to the circulus arteriolosus? Which artery is most important in supplying the superficial tissues of the head and neck?
Understand the Problem
The questions are asking about the origins and importance of various arteries, specifically related to the coronary arteries and their supply to different areas of the circulatory system.
Answer
40) Ascending aorta, 41) Internal carotid, 42) External carotid
The answers are: 40) The ascending aorta, 41) The internal carotid, 42) The external carotid.
Answer for screen readers
The answers are: 40) The ascending aorta, 41) The internal carotid, 42) The external carotid.
More Information
The coronary arteries arise from the ascending aorta just after it leaves the heart. The internal carotid is vital for the brain's anterior circulation, while the external carotid supplies blood to the face and neck.
Tips
A common mistake is confusing the internal and external carotid arteries due to their close proximity. Remember, the external carotid primarily supplies the face and neck.
Sources
- Coronary Arteries: Anatomy and Function - Cleveland Clinic - my.clevelandclinic.org
- External Carotid Artery - an overview | ScienceDirect Topics - sciencedirect.com
- Circle of Willis: Anatomy and function | Kenhub - kenhub.com
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