Which statement does not accurately describe veins? (a) Have less elastic tissue and smooth muscle than arteries, (b) contain more fibrous tissue than arteries, (c) most veins in the extremities have valves, (d) always carry deoxygenated blood.

Question

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Answer 1

Textbook Question

Chapter 18, Problem 1MC

Which statement does not accurately describe veins? (a) Have less elastic tissue and smooth muscle than arteries, (b) contain more fibrous tissue than arteries, (c) most veins in the extremities have valves, (d) always carry deoxygenated blood.

Expert Solution & Answer

Summary Introduction

To determine:

The statement not accurately describing veins

Have less elastic tissue and smooth muscle than arteries,
contain more fibrous tissue than arteries,
most veins in the extremities have valves,
always carry deoxygenated blood.

Answer to Problem 1MC

Correct answer:

(d) Always carry deoxygenated blood

Explanation for the correct answer:

Option (d) is given as veins always carry deoxygenated blood. The veins are the blood vessels that are responsible for carrying the blood from all the body parts to the heart. They generally carry the deoxygenated blood to the heart from the different body parts, but the pulmonary vein is an exception as it carries the oxygenated blood to the heart from the lungs. Hence, option (d) is an incorrect answer.

Explanation of Solution

Explanation for the incorrect answers:

Option (a) is given as veins have less elastic tissue and smooth muscle than arteries. The elastic tissues and the smooth muscles in the veins are less in number as compared to the arteries. It is a correct description about veins. Hence, option (a) is an incorrect answer.

Option (b) is given as veins contain more fibrous tissue than arteries. Arteries generally carry the oxygenated blood. Veins contain more fibrous tissues and have valves. It is a correct description about veins. Hence, option (b) is an incorrect answer.

Option (c) is given as most veins in the extremities have valves. It is a correct description about veins. Hence, option (c) is an incorrect answer.

Conclusion

The veins generally carry deoxygenated blood, but the pulmonary vein is an exception as it carries the oxygenated blood to the heart from the lungs.

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Answer 2

Textbook Question

Chapter 18, Problem 1MC

Which statement does not accurately describe veins? (a) Have less elastic tissue and smooth muscle than arteries, (b) contain more fibrous tissue than arteries, (c) most veins in the extremities have valves, (d) always carry deoxygenated blood.

Expert Solution & Answer

Summary Introduction

To determine:

The statement not accurately describing veins

Have less elastic tissue and smooth muscle than arteries,
contain more fibrous tissue than arteries,
most veins in the extremities have valves,
always carry deoxygenated blood.

Answer to Problem 1MC

Correct answer:

(d) Always carry deoxygenated blood

Explanation for the correct answer:

Option (d) is given as veins always carry deoxygenated blood. The veins are the blood vessels that are responsible for carrying the blood from all the body parts to the heart. They generally carry the deoxygenated blood to the heart from the different body parts, but the pulmonary vein is an exception as it carries the oxygenated blood to the heart from the lungs. Hence, option (d) is an incorrect answer.

Explanation of Solution

Explanation for the incorrect answers:

Option (a) is given as veins have less elastic tissue and smooth muscle than arteries. The elastic tissues and the smooth muscles in the veins are less in number as compared to the arteries. It is a correct description about veins. Hence, option (a) is an incorrect answer.

Option (b) is given as veins contain more fibrous tissue than arteries. Arteries generally carry the oxygenated blood. Veins contain more fibrous tissues and have valves. It is a correct description about veins. Hence, option (b) is an incorrect answer.

Option (c) is given as most veins in the extremities have valves. It is a correct description about veins. Hence, option (c) is an incorrect answer.

Conclusion

The veins generally carry deoxygenated blood, but the pulmonary vein is an exception as it carries the oxygenated blood to the heart from the lungs.

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Answer 3

Textbook Question

Chapter 18, Problem 1MC

Which statement does not accurately describe veins? (a) Have less elastic tissue and smooth muscle than arteries, (b) contain more fibrous tissue than arteries, (c) most veins in the extremities have valves, (d) always carry deoxygenated blood.

Expert Solution & Answer

Summary Introduction

To determine:

The statement not accurately describing veins

Have less elastic tissue and smooth muscle than arteries,
contain more fibrous tissue than arteries,
most veins in the extremities have valves,
always carry deoxygenated blood.

Answer to Problem 1MC

Correct answer:

(d) Always carry deoxygenated blood

Explanation for the correct answer:

Option (d) is given as veins always carry deoxygenated blood. The veins are the blood vessels that are responsible for carrying the blood from all the body parts to the heart. They generally carry the deoxygenated blood to the heart from the different body parts, but the pulmonary vein is an exception as it carries the oxygenated blood to the heart from the lungs. Hence, option (d) is an incorrect answer.

Explanation of Solution

Explanation for the incorrect answers:

Option (a) is given as veins have less elastic tissue and smooth muscle than arteries. The elastic tissues and the smooth muscles in the veins are less in number as compared to the arteries. It is a correct description about veins. Hence, option (a) is an incorrect answer.

Option (b) is given as veins contain more fibrous tissue than arteries. Arteries generally carry the oxygenated blood. Veins contain more fibrous tissues and have valves. It is a correct description about veins. Hence, option (b) is an incorrect answer.

Option (c) is given as most veins in the extremities have valves. It is a correct description about veins. Hence, option (c) is an incorrect answer.

Conclusion

The veins generally carry deoxygenated blood, but the pulmonary vein is an exception as it carries the oxygenated blood to the heart from the lungs.

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Answer 4

Textbook Question

Chapter 18, Problem 1MC

Which statement does not accurately describe veins? (a) Have less elastic tissue and smooth muscle than arteries, (b) contain more fibrous tissue than arteries, (c) most veins in the extremities have valves, (d) always carry deoxygenated blood.

Expert Solution & Answer

Summary Introduction

To determine:

The statement not accurately describing veins

Have less elastic tissue and smooth muscle than arteries,
contain more fibrous tissue than arteries,
most veins in the extremities have valves,
always carry deoxygenated blood.

Answer to Problem 1MC

Correct answer:

(d) Always carry deoxygenated blood

Explanation for the correct answer:

Option (d) is given as veins always carry deoxygenated blood. The veins are the blood vessels that are responsible for carrying the blood from all the body parts to the heart. They generally carry the deoxygenated blood to the heart from the different body parts, but the pulmonary vein is an exception as it carries the oxygenated blood to the heart from the lungs. Hence, option (d) is an incorrect answer.

Explanation of Solution

Explanation for the incorrect answers:

Option (a) is given as veins have less elastic tissue and smooth muscle than arteries. The elastic tissues and the smooth muscles in the veins are less in number as compared to the arteries. It is a correct description about veins. Hence, option (a) is an incorrect answer.

Option (b) is given as veins contain more fibrous tissue than arteries. Arteries generally carry the oxygenated blood. Veins contain more fibrous tissues and have valves. It is a correct description about veins. Hence, option (b) is an incorrect answer.

Option (c) is given as most veins in the extremities have valves. It is a correct description about veins. Hence, option (c) is an incorrect answer.

Conclusion

The veins generally carry deoxygenated blood, but the pulmonary vein is an exception as it carries the oxygenated blood to the heart from the lungs.

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

To determine:

The statement not accurately describing veins

Have less elastic tissue and smooth muscle than arteries,
contain more fibrous tissue than arteries,
most veins in the extremities have valves,
always carry deoxygenated blood.

Answer to Problem 1MC

Correct answer:

(d) Always carry deoxygenated blood

Explanation for the correct answer:

Option (d) is given as veins always carry deoxygenated blood. The veins are the blood vessels that are responsible for carrying the blood from all the body parts to the heart. They generally carry the deoxygenated blood to the heart from the different body parts, but the pulmonary vein is an exception as it carries the oxygenated blood to the heart from the lungs. Hence, option (d) is an incorrect answer.

Explanation of Solution

Explanation for the incorrect answers:

Option (a) is given as veins have less elastic tissue and smooth muscle than arteries. The elastic tissues and the smooth muscles in the veins are less in number as compared to the arteries. It is a correct description about veins. Hence, option (a) is an incorrect answer.

Option (b) is given as veins contain more fibrous tissue than arteries. Arteries generally carry the oxygenated blood. Veins contain more fibrous tissues and have valves. It is a correct description about veins. Hence, option (b) is an incorrect answer.

Option (c) is given as most veins in the extremities have valves. It is a correct description about veins. Hence, option (c) is an incorrect answer.

Conclusion

The veins generally carry deoxygenated blood, but the pulmonary vein is an exception as it carries the oxygenated blood to the heart from the lungs.

Answer 8

Expert Solution & Answer

Summary Introduction

To determine:

The statement not accurately describing veins

Have less elastic tissue and smooth muscle than arteries,
contain more fibrous tissue than arteries,
most veins in the extremities have valves,
always carry deoxygenated blood.

Answer to Problem 1MC

Correct answer:

(d) Always carry deoxygenated blood

Explanation for the correct answer:

Option (d) is given as veins always carry deoxygenated blood. The veins are the blood vessels that are responsible for carrying the blood from all the body parts to the heart. They generally carry the deoxygenated blood to the heart from the different body parts, but the pulmonary vein is an exception as it carries the oxygenated blood to the heart from the lungs. Hence, option (d) is an incorrect answer.

Explanation of Solution

Explanation for the incorrect answers:

Option (a) is given as veins have less elastic tissue and smooth muscle than arteries. The elastic tissues and the smooth muscles in the veins are less in number as compared to the arteries. It is a correct description about veins. Hence, option (a) is an incorrect answer.

Option (b) is given as veins contain more fibrous tissue than arteries. Arteries generally carry the oxygenated blood. Veins contain more fibrous tissues and have valves. It is a correct description about veins. Hence, option (b) is an incorrect answer.

Option (c) is given as most veins in the extremities have valves. It is a correct description about veins. Hence, option (c) is an incorrect answer.

Conclusion

The veins generally carry deoxygenated blood, but the pulmonary vein is an exception as it carries the oxygenated blood to the heart from the lungs.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

To determine:

The statement not accurately describing veins

Have less elastic tissue and smooth muscle than arteries,
contain more fibrous tissue than arteries,
most veins in the extremities have valves,
always carry deoxygenated blood.

Answer 12

Answer to Problem 1MC

Correct answer:

(d) Always carry deoxygenated blood

Explanation for the correct answer:

Option (d) is given as veins always carry deoxygenated blood. The veins are the blood vessels that are responsible for carrying the blood from all the body parts to the heart. They generally carry the deoxygenated blood to the heart from the different body parts, but the pulmonary vein is an exception as it carries the oxygenated blood to the heart from the lungs. Hence, option (d) is an incorrect answer.

Answer 13

Explanation of Solution

Explanation for the incorrect answers:

Option (a) is given as veins have less elastic tissue and smooth muscle than arteries. The elastic tissues and the smooth muscles in the veins are less in number as compared to the arteries. It is a correct description about veins. Hence, option (a) is an incorrect answer.

Option (b) is given as veins contain more fibrous tissue than arteries. Arteries generally carry the oxygenated blood. Veins contain more fibrous tissues and have valves. It is a correct description about veins. Hence, option (b) is an incorrect answer.

Option (c) is given as most veins in the extremities have valves. It is a correct description about veins. Hence, option (c) is an incorrect answer.

Answer 14

Conclusion

The veins generally carry deoxygenated blood, but the pulmonary vein is an exception as it carries the oxygenated blood to the heart from the lungs.

Answer 15

Ch. 18.1 - Which branch of the autonomic nervous system...Ch. 18.1 - When vascular smooth muscle contracts, what...Ch. 18.2 - Name the type of artery that matches each...Ch. 18.3 - Prob. 4CYU Ch. 18.4 - Prob. 5CYU Ch. 18.4 - In the systemic circuit, which contains more...Ch. 18.5 - Prob. 7CYU Ch. 18.6 - List three factors that determine resistance in a...Ch. 18.6 - Suppose vasoconstriction decreases the diameter of...Ch. 18.7 - Prob. 10CYU

Which statement does not accurately describe veins? (a) Have less elastic tissue and smooth muscle than arteries, (b) contain more fibrous tissue than arteries, (c) most veins in the extremities have valves, (d) always carry deoxygenated blood.

Solution Summary: The author explains that veins carry deoxygenated blood, but the pulmonary vein is an exception.

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Answer to Problem 1MC

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Chapter 18 Solutions