The reason behind the fact that unobstructed arteries provide small resistance to fluid flow as compared to the resistance provided by the arterioles and capillaries in a human circulatory system from the given options. The approximate number and radius of each element of the circulatory system is also given in the table. (a) The arteries are nearer to the heart. (b) There are small numbers of arteries. (c) The artery radius is relatively large. (d) b and c (e) a, b, and c VESSEL TYPE NUMBER OF VESSELS APPROXIMATE RADIUS (mm) Aorta 1 5 Large Arteries 40 2 Smaller Arteries 2400 0.4 Arterioles 40,000,000 0.01 Capillaries 1,200,000,000 0.004 Venules 80,000,000 0.02 Small veins 2400 1 Large veins 40 3 Vena cava 1 6

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Answer 1

Question

Chapter 14, Problem 68RPP

To determine

The reason behind the fact that unobstructed arteries provide small resistance to fluid flow as compared to the resistance provided by the arterioles and capillaries in a human circulatory system from the given options. The approximate number and radius of each element of the circulatory system is also given in the table.

(a) The arteries are nearer to the heart.

(b) There are small numbers of arteries.

(c) The artery radius is relatively large.

(d) b and c

(e) a, b, and c

VESSEL TYPE NUMBER OF VESSELS APPROXIMATE RADIUS (mm)

Aorta 1 5

Large Arteries 40 2

Smaller Arteries 2400 0.4

Arterioles 40,000,000 0.01

Capillaries 1,200,000,000 0.004

Venules 80,000,000 0.02

Small veins 2400 1

Large veins 40 3

Vena cava 1 6

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A small blood vessels near the skin surface has a radius of 10um, a length of 1um and the pressure drop along the blood vessel is 2.50pa.The viscosity of blood is 0.0027pa.s. i. What is the volume flow rate of blood through this blood vessel. What is the velocity of blood flow? ii.Vasodilation causes the radius of this blood vessel to increase to 12um, while leaving the pressure drop along the vessel unchanged? What is the velocity of blood flow?

A small blood vessel near the skin surface has a radius of 10 µm, a length of 1 µm and the pressure drop along the blood vessel is 2.50 Pa. The viscosity of blood is 0.0027 Pa.s. i. What is the volume flow rate of blood through this blood vessel? What is the velocity of blood flow? ii. Vasodilation causes the radius of this blood vessel to increase to 12 µm, while leaving the pressure drop along the vessel unchanged? What is the volume flow rate through this blood vessel now? What is the velocity of blood flow?

A small blood vessel near the skin surface has a radius of 10 µm, a length of 1 µm and the pressure drop along the blood vessel is 2.50 Pa. The viscosity of blood is 0.0027 Pa.s. i. What is the volume flow rate of blood through this blood vessel? What is the velocity of blood flow? ii. Vasodilation causes the radius of this blood vessel to increase to 12 µm, while leaving the pressure drop along the vessel unchanged? What is the volume flow rate through this blood vessel now? iii. What is the velocity of blood flow?

Answer 2

Question

Chapter 14, Problem 68RPP

To determine

The reason behind the fact that unobstructed arteries provide small resistance to fluid flow as compared to the resistance provided by the arterioles and capillaries in a human circulatory system from the given options. The approximate number and radius of each element of the circulatory system is also given in the table.

(a) The arteries are nearer to the heart.

(b) There are small numbers of arteries.

(c) The artery radius is relatively large.

(d) b and c

(e) a, b, and c

VESSEL TYPE NUMBER OF VESSELS APPROXIMATE RADIUS (mm)

Aorta 1 5

Large Arteries 40 2

Smaller Arteries 2400 0.4

Arterioles 40,000,000 0.01

Capillaries 1,200,000,000 0.004

Venules 80,000,000 0.02

Small veins 2400 1

Large veins 40 3

Vena cava 1 6

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Answer 3

Question

Chapter 14, Problem 68RPP

To determine

The reason behind the fact that unobstructed arteries provide small resistance to fluid flow as compared to the resistance provided by the arterioles and capillaries in a human circulatory system from the given options. The approximate number and radius of each element of the circulatory system is also given in the table.

(a) The arteries are nearer to the heart.

(b) There are small numbers of arteries.

(c) The artery radius is relatively large.

(d) b and c

(e) a, b, and c

VESSEL TYPE NUMBER OF VESSELS APPROXIMATE RADIUS (mm)

Aorta 1 5

Large Arteries 40 2

Smaller Arteries 2400 0.4

Arterioles 40,000,000 0.01

Capillaries 1,200,000,000 0.004

Venules 80,000,000 0.02

Small veins 2400 1

Large veins 40 3

Vena cava 1 6

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Answer 4

Question

Chapter 14, Problem 68RPP

To determine

The reason behind the fact that unobstructed arteries provide small resistance to fluid flow as compared to the resistance provided by the arterioles and capillaries in a human circulatory system from the given options. The approximate number and radius of each element of the circulatory system is also given in the table.

(a) The arteries are nearer to the heart.

(b) There are small numbers of arteries.

(c) The artery radius is relatively large.

(d) b and c

(e) a, b, and c

VESSEL TYPE NUMBER OF VESSELS APPROXIMATE RADIUS (mm)

Aorta 1 5

Large Arteries 40 2

Smaller Arteries 2400 0.4

Arterioles 40,000,000 0.01

Capillaries 1,200,000,000 0.004

Venules 80,000,000 0.02

Small veins 2400 1

Large veins 40 3

Vena cava 1 6

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Answer 5

Chapter 14, Problem 68RPP

To determine

The reason behind the fact that unobstructed arteries provide small resistance to fluid flow as compared to the resistance provided by the arterioles and capillaries in a human circulatory system from the given options. The approximate number and radius of each element of the circulatory system is also given in the table.

(a) The arteries are nearer to the heart.

(b) There are small numbers of arteries.

(c) The artery radius is relatively large.

(d) b and c

(e) a, b, and c

VESSEL TYPE NUMBER OF VESSELS APPROXIMATE RADIUS (mm)

Aorta 1 5

Large Arteries 40 2

Smaller Arteries 2400 0.4

Arterioles 40,000,000 0.01

Capillaries 1,200,000,000 0.004

Venules 80,000,000 0.02

Small veins 2400 1

Large veins 40 3

Vena cava 1 6

Answer 6

Chapter 14, Problem 68RPP

To determine

The reason behind the fact that unobstructed arteries provide small resistance to fluid flow as compared to the resistance provided by the arterioles and capillaries in a human circulatory system from the given options. The approximate number and radius of each element of the circulatory system is also given in the table.

(a) The arteries are nearer to the heart.

(b) There are small numbers of arteries.

(c) The artery radius is relatively large.

(d) b and c

(e) a, b, and c

VESSEL TYPE NUMBER OF VESSELS APPROXIMATE RADIUS (mm)

Aorta 1 5

Large Arteries 40 2

Smaller Arteries 2400 0.4

Arterioles 40,000,000 0.01

Capillaries 1,200,000,000 0.004

Venules 80,000,000 0.02

Small veins 2400 1

Large veins 40 3

Vena cava 1 6

Answer 7

Chapter 14, Problem 68RPP

To determine

The reason behind the fact that unobstructed arteries provide small resistance to fluid flow as compared to the resistance provided by the arterioles and capillaries in a human circulatory system from the given options. The approximate number and radius of each element of the circulatory system is also given in the table.

(a) The arteries are nearer to the heart.

(b) There are small numbers of arteries.

(c) The artery radius is relatively large.

(d) b and c

(e) a, b, and c

VESSEL TYPE NUMBER OF VESSELS APPROXIMATE RADIUS (mm)

Aorta 1 5

Large Arteries 40 2

Smaller Arteries 2400 0.4

Arterioles 40,000,000 0.01

Capillaries 1,200,000,000 0.004

Venules 80,000,000 0.02

Small veins 2400 1

Large veins 40 3

Vena cava 1 6

Answer 8

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Answer 10

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Answer 11

Ch. 14 - Prob. 1RQ Ch. 14 - Prob. 2RQ Ch. 14 - Prob. 3RQ Ch. 14 - Prob. 4RQ Ch. 14 - Prob. 5RQ Ch. 14 - Review Question 14.6 Describe some of the...Ch. 14 - Review Question 14.7 When a skydiver falls at...Ch. 14 - Prob. 1MCQ Ch. 14 - A river flows downstream and widens, and the flow...Ch. 14 - Prob. 3MCQ

Solution Summary: The author explains that unobstructed arteries provide small resistance to fluid flow compared to the arterioles and capillaries in a human circulatory system.

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Chapter 14 Solutions

VESSEL TYPE	NUMBER OF VESSELS	APPROXIMATE RADIUS (mm)
Aorta	1	5
Large Arteries	40	2
Smaller Arteries	2400	0.4
Arterioles	40,000,000	0.01
Capillaries	1,200,000,000	0.004
Venules	80,000,000	0.02
Small veins	2400	1
Large veins	40	3
Vena cava	1	6