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

Arteries

Anatomy & Physiology

19. The Blood Vessels

Arteries

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Problem 8

Textbook Question

Identify the superficial structures in the following diagram of the heart.
a. _
b. _
c. _
d. _
e. _
f. _
g. _
h. _

Verified step by step guidance

Examine the diagram of the heart provided and identify the superficial structures visible. Superficial structures are those located on the outermost layer or surface of the heart.

Review the anatomy of the heart, focusing on key external structures such as the atria, ventricles, coronary vessels, and major arteries and veins (e.g., aorta, pulmonary arteries, superior vena cava).

Match each labeled part (a, b, c, etc.) in the diagram to the corresponding anatomical structure based on its location and appearance. For example, the superior vena cava is typically located at the top of the heart, while the apex of the heart points downward.

Use anatomical landmarks to differentiate between similar structures. For instance, the left and right atria can be distinguished by their position relative to the ventricles and major vessels.

Label each structure (a, b, c, etc.) with its correct name, ensuring accuracy by cross-referencing with a reliable anatomy resource or textbook.

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Key Concepts

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

Anatomy of the Heart

The anatomy of the heart refers to the structural components that make up this vital organ. It includes chambers such as the atria and ventricles, as well as valves and major blood vessels. Understanding these structures is essential for identifying their functions and roles in the circulatory system.

Superficial Structures

Superficial structures are the external parts of an organ that can be observed or palpated. In the context of the heart, this includes the outer layers, such as the pericardium, and the visible parts like the atria and ventricles. Recognizing these structures is crucial for anatomical identification and understanding their relationships.

Circulatory System Function

The circulatory system is responsible for transporting blood, nutrients, and oxygen throughout the body. The heart plays a central role in this system by pumping blood through its chambers and into the arteries. A clear understanding of how the heart's superficial structures contribute to its function aids in comprehending overall cardiovascular health.

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Textbook Question

Which of the following is not a common pulse point?

a. Femoral artery

b. Subclavian artery

c. Common carotid artery

d. Brachial artery

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Textbook Question

Explain why a severed artery spurts blood, whereas a severed vein merely leaks blood.

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Multiple Choice

What is the protein-rich substance in elastic arteries that contributes to their ability to recoil & maintain blood pressure during diastole?

Which type of artery has the thickest tunica media in proportion to the rest of its wall?

Fill in the blanks: The coronary arteries are the first branches off the ________. The right coronary artery becomes the ________ on the posterior side of the heart. The left coronary artery branches into the ________ and the ________.

Predict which would be more damaging to long-term survival: a blood clot lodged in the right coronary artery or one in the left coronary artery. Explain.

Florita Santos, a middle-aged woman, is admitted to the coronary care unit with a diagnosis of left ventricular failure resulting from a myocardial infarction. Her history indicates that she awoke in the middle of the night with severe chest pain. Her skin is pale and cold, and moist sounds are heard over the lower regions of both lungs. Explain how failure of the left ventricle can cause these signs and symptoms.

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Textbook Question

Trace one drop of blood from the time it enters the right atrium of the heart until it enters the left atrium. What is this circuit called?

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