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

Types of Blood Vessels

Anatomy & Physiology

19. The Blood Vessels

Types of Blood Vessels

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2: minutes

Problem 11

Textbook Question

More than one choice may apply.
Vessels involved in the circulatory pathway to and/or from the brain are the
a. Brachiocephalic trunk
b. Subclavian artery
c. Internal jugular vein
d. Internal carotid artery

Verified step by step guidance

Understand the circulatory pathway to and from the brain: The brain receives oxygenated blood primarily through arteries and returns deoxygenated blood via veins. Key vessels involved in this process include arteries like the internal carotid artery and veins like the internal jugular vein.

Analyze the role of the brachiocephalic trunk: The brachiocephalic trunk is a major artery that branches off the aortic arch and supplies blood to the right arm, head, and neck. It indirectly contributes to the brain's blood supply by giving rise to the right subclavian artery and the right common carotid artery.

Examine the subclavian artery: The subclavian artery supplies blood to the arms, but it also gives rise to the vertebral artery, which contributes to the brain's blood supply by forming part of the basilar artery system.

Evaluate the internal jugular vein: The internal jugular vein is a major vein that drains deoxygenated blood from the brain and returns it to the heart via the superior vena cava.

Assess the internal carotid artery: The internal carotid artery is one of the primary arteries supplying oxygenated blood directly to the brain, particularly to the anterior and middle portions of the brain.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Circulatory Pathway

The circulatory pathway refers to the network of blood vessels that transport blood to and from the brain. This includes arteries that carry oxygenated blood to the brain and veins that return deoxygenated blood to the heart. Understanding this pathway is crucial for identifying which vessels are involved in cerebral circulation.

Major Blood Vessels

Major blood vessels such as the brachiocephalic trunk, subclavian artery, internal jugular vein, and internal carotid artery play significant roles in supplying blood to the brain. Each vessel has a specific function: the internal carotid artery supplies blood to the brain, while the internal jugular vein drains blood away from it. Recognizing these vessels is essential for answering questions about cerebral circulation.

Anatomy of the Brain's Blood Supply

The anatomy of the brain's blood supply involves understanding the specific routes and connections of arteries and veins that serve the brain. This includes the Circle of Willis, which provides collateral circulation. Knowledge of this anatomy helps in comprehending how blood flow is maintained and what vessels are critical for brain function.