Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

19. The Blood Vessels

Introduction to Blood Vessels

Anatomy & Physiology

19. The Blood Vessels

Introduction to Blood Vessels

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Multiple Choice

Which of the following blood vessels is a direct branch of the ascending aorta?

Right coronary artery

Left common carotid artery

Left subclavian artery

Brachiocephalic trunk

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Verified step by step guidance

Understand the anatomy of the ascending aorta: The ascending aorta is the first portion of the aorta that emerges from the left ventricle of the heart. It gives rise to coronary arteries that supply blood to the heart itself.

Identify the direct branches of the ascending aorta: The ascending aorta specifically gives rise to the right coronary artery and the left coronary artery. These arteries are responsible for supplying oxygenated blood to the myocardium (heart muscle).

Differentiate between the branches of the ascending aorta and the aortic arch: The aortic arch, which follows the ascending aorta, gives rise to the brachiocephalic trunk, left common carotid artery, and left subclavian artery. These vessels supply blood to the head, neck, and upper limbs.

Focus on the correct answer: Among the options provided, the right coronary artery is the only direct branch of the ascending aorta. The other options (left common carotid artery, left subclavian artery, and brachiocephalic trunk) are branches of the aortic arch.

Conclude the reasoning: Based on anatomical knowledge, the correct answer is the right coronary artery because it directly originates from the ascending aorta, while the other vessels originate from the aortic arch.