ESSENTIALS OF HUMAN ANATOMY-MODIFIED MA
ESSENTIALS OF HUMAN ANATOMY-MODIFIED MA
12th Edition
ISBN: 9781323850497
Author: Marieb
Publisher: PEARSON
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Textbook Question
Chapter 11, Problem 1MC

More than one choice may apply.

Pulmonary veins deliver freshly oxygenated blood from the lungs to the

right ventricle.

left ventricle.

right atrium.

left atrium.

Expert Solution & Answer
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Summary Introduction

Introduction:

Human heart is divided into four chambers, two atria on the left and two ventricles on the right. The upper chambers, atria, receive blood that returns back to the heart. The lower chambers, ventricles, receive blood from the atria, which pump blood out in the arteries.

Answer to Problem 1MC

Correct answer:

The pulmonary veins carry freshly oxygenated blood from the lungs to the left atrium before leaving the heart into the aorta, which in turn helps in the circulation of the blood throughout the body.

Explanation of Solution

Explanation for the correct answer:

Option (d) is given as left atrium. The deoxygenated blood from the right ventricle move to the pulmonary artery and releases carbon dioxide in the lungs. This fresh oxygen-rich blood is returned back to the left atrium of the heart through the pulmonary veins, which later flows into the left ventricle. Hence, option (d) is correct.

Explanation for incorrect answers:

Option (a) is given as right ventricle. The deoxygenated blood rich in carbon dioxide flows into right atrium by systemic circulation and is pumped into the right ventricle. This blood is later pumped out from right ventricle by pulmonary artery, which delivers it into the lungs. The pulmonary arteries carry deoxygenated blood from the heart to the lungs. So, it is an incorrect option.

Option (b) is given as left ventricle. The left ventricle consists of oxygenated blood received from the left atrium. The aorta supplies this blood to the entire body. So, it is an incorrect option.

Option (c) is given as right atrium. The right atrium receives deoxygenated blood that returns from all the organs except the lungs. So, it is an incorrect option.

Hence, options (a), (b), and (c) are incorrect.

Conclusion

Thus, it is evident from the above explanation that pulmonary veins carry freshly oxygenated blood from the lungs to the left atrium.

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Chapter 11 Solutions

ESSENTIALS OF HUMAN ANATOMY-MODIFIED MA

Ch. 11 - Prob. 11MCCh. 11 - 12. Which layer of the artery wall thickens most...Ch. 11 - Which of the following are associated with aging?...Ch. 11 - An increase in BP would be caused by all of the...Ch. 11 - The most external part of the pericardium is the...Ch. 11 - Prob. 16MCCh. 11 - Prob. 17MCCh. 11 - Prob. 18MCCh. 11 - 19. Draw a diagram of the heart showing the three...Ch. 11 - Prob. 20SAECh. 11 - Prob. 21SAECh. 11 - 22. Define systole and diastole. Ch. 11 - Prob. 23SAECh. 11 - Prob. 24SAECh. 11 - Prob. 25SAECh. 11 - 26. Name three different factors that increase...Ch. 11 - Prob. 27SAECh. 11 - Describe the structure of capillary walls.Ch. 11 - Prob. 29SAECh. 11 - Name three factors that are important in promoting...Ch. 11 - Prob. 31SAECh. 11 - Trace a drop of blood from the left ventricle of...Ch. 11 - Prob. 33SAECh. 11 - 34. In a fetus, the liver and lungs are almost...Ch. 11 - Prob. 35SAECh. 11 - Prob. 36SAECh. 11 - Prob. 37SAECh. 11 - 38. Two elements determine blood pressure—the...Ch. 11 - Prob. 39SAECh. 11 - Prob. 40SAECh. 11 - Prob. 41SAECh. 11 - Explain why blood flow in arteries is pulsatile...Ch. 11 - Explain the relationship between the...Ch. 11 - 44. Which type of blood vessel is most important...Ch. 11 - Prob. 45SAECh. 11 - John is a 30-year-old man who is overweight and...Ch. 11 - 47. Mrs. Hamad, a middle-aged woman, is admitted...Ch. 11 - Hannah, a 14-year-old girl undergoing a physical...Ch. 11 - Prob. 49CTCh. 11 - Prob. 50CTCh. 11 - Mr. Grimaldi was previously diagnosed as having a...Ch. 11 - Prob. 52CTCh. 11 - The guards at the royal palace in London stand at...
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