(a) To determine: The change in the tidal volume if vagus nerves are cut. Introduction: Tidal volume is the amount of air inhaled and exhaled during normal breathing. In an adult male, the tidal volume is 500ml. Tidal volume represents the efficiency of the lungs at rest.

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Answer 1

Question

Chapter 23, Problem 9CT

Summary Introduction

(a)

To determine:

The change in the tidal volume if vagus nerves are cut.

Introduction:

Tidal volume is the amount of air inhaled and exhaled during normal breathing. In an adult male, the tidal volume is 500ml. Tidal volume represents the efficiency of the lungs at rest.

Summary Introduction

(b)

To determine:

The change in the tidal volume if phrenic nerves are cut.

Introduction:

The organ system of the body that helps in the process of respiration is termed as the respiratory system. The respiratory system of humans is present in “air-filled” cavity called the thoracic cavity. The thoracic cavity plays a vital role in the process of inhalation and exhalation. It contains a muscular structure called the diaphragm.

Summary Introduction

(c)

To determine:

The change in the tidal volume if intercostal nerves are cut.

Introduction:

The mechanism of breathing involves contraction and relaxation of intercostal muscles. Breathing is controlled by the size of the diaphragm. The contraction and relaxation of intercostal muscles lead to a change in the size of the diaphragm.

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Predict what would happen to tidal volume if (a) the vagus nerves werecut, (b) the phrenic nerves were cut, or (c) the intercostal nerves were cut.

Note in part (a) that the normal resting value on this pressure–frequency curve is on the steepest, center part of the curve. What is the physiological significance of this?

Answer 2

Question

Chapter 23, Problem 9CT

Summary Introduction

(a)

To determine:

The change in the tidal volume if vagus nerves are cut.

Introduction:

Tidal volume is the amount of air inhaled and exhaled during normal breathing. In an adult male, the tidal volume is 500ml. Tidal volume represents the efficiency of the lungs at rest.

Summary Introduction

(b)

To determine:

The change in the tidal volume if phrenic nerves are cut.

Introduction:

The organ system of the body that helps in the process of respiration is termed as the respiratory system. The respiratory system of humans is present in “air-filled” cavity called the thoracic cavity. The thoracic cavity plays a vital role in the process of inhalation and exhalation. It contains a muscular structure called the diaphragm.

Summary Introduction

(c)

To determine:

The change in the tidal volume if intercostal nerves are cut.

Introduction:

The mechanism of breathing involves contraction and relaxation of intercostal muscles. Breathing is controlled by the size of the diaphragm. The contraction and relaxation of intercostal muscles lead to a change in the size of the diaphragm.

Expert Solution & Answer

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Answer 3

Question

Chapter 23, Problem 9CT

Summary Introduction

(a)

To determine:

The change in the tidal volume if vagus nerves are cut.

Introduction:

Tidal volume is the amount of air inhaled and exhaled during normal breathing. In an adult male, the tidal volume is 500ml. Tidal volume represents the efficiency of the lungs at rest.

Summary Introduction

(b)

To determine:

The change in the tidal volume if phrenic nerves are cut.

Introduction:

The organ system of the body that helps in the process of respiration is termed as the respiratory system. The respiratory system of humans is present in “air-filled” cavity called the thoracic cavity. The thoracic cavity plays a vital role in the process of inhalation and exhalation. It contains a muscular structure called the diaphragm.

Summary Introduction

(c)

To determine:

The change in the tidal volume if intercostal nerves are cut.

Introduction:

The mechanism of breathing involves contraction and relaxation of intercostal muscles. Breathing is controlled by the size of the diaphragm. The contraction and relaxation of intercostal muscles lead to a change in the size of the diaphragm.

Expert Solution & Answer

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See solution

Answer 4

Question

Chapter 23, Problem 9CT

Summary Introduction

(a)

To determine:

The change in the tidal volume if vagus nerves are cut.

Introduction:

Tidal volume is the amount of air inhaled and exhaled during normal breathing. In an adult male, the tidal volume is 500ml. Tidal volume represents the efficiency of the lungs at rest.

Summary Introduction

(b)

To determine:

The change in the tidal volume if phrenic nerves are cut.

Introduction:

The organ system of the body that helps in the process of respiration is termed as the respiratory system. The respiratory system of humans is present in “air-filled” cavity called the thoracic cavity. The thoracic cavity plays a vital role in the process of inhalation and exhalation. It contains a muscular structure called the diaphragm.

Summary Introduction

(c)

To determine:

The change in the tidal volume if intercostal nerves are cut.

Introduction:

The mechanism of breathing involves contraction and relaxation of intercostal muscles. Breathing is controlled by the size of the diaphragm. The contraction and relaxation of intercostal muscles lead to a change in the size of the diaphragm.

Expert Solution & Answer

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Answer 5

Chapter 23, Problem 9CT

Summary Introduction

(a)

To determine:

The change in the tidal volume if vagus nerves are cut.

Introduction:

Tidal volume is the amount of air inhaled and exhaled during normal breathing. In an adult male, the tidal volume is 500ml. Tidal volume represents the efficiency of the lungs at rest.

Summary Introduction

(b)

To determine:

The change in the tidal volume if phrenic nerves are cut.

Introduction:

The organ system of the body that helps in the process of respiration is termed as the respiratory system. The respiratory system of humans is present in “air-filled” cavity called the thoracic cavity. The thoracic cavity plays a vital role in the process of inhalation and exhalation. It contains a muscular structure called the diaphragm.

Summary Introduction

(c)

To determine:

The change in the tidal volume if intercostal nerves are cut.

Introduction:

The mechanism of breathing involves contraction and relaxation of intercostal muscles. Breathing is controlled by the size of the diaphragm. The contraction and relaxation of intercostal muscles lead to a change in the size of the diaphragm.

Answer 6

Chapter 23, Problem 9CT

Summary Introduction

(a)

To determine:

The change in the tidal volume if vagus nerves are cut.

Introduction:

Tidal volume is the amount of air inhaled and exhaled during normal breathing. In an adult male, the tidal volume is 500ml. Tidal volume represents the efficiency of the lungs at rest.

Answer 7

Chapter 23, Problem 9CT

Summary Introduction

(a)

To determine:

The change in the tidal volume if vagus nerves are cut.

Introduction:

Tidal volume is the amount of air inhaled and exhaled during normal breathing. In an adult male, the tidal volume is 500ml. Tidal volume represents the efficiency of the lungs at rest.

Answer 8

Summary Introduction

(b)

To determine:

The change in the tidal volume if phrenic nerves are cut.

Introduction:

The organ system of the body that helps in the process of respiration is termed as the respiratory system. The respiratory system of humans is present in “air-filled” cavity called the thoracic cavity. The thoracic cavity plays a vital role in the process of inhalation and exhalation. It contains a muscular structure called the diaphragm.

Answer 9

Summary Introduction

(b)

To determine:

The change in the tidal volume if phrenic nerves are cut.

Introduction:

The organ system of the body that helps in the process of respiration is termed as the respiratory system. The respiratory system of humans is present in “air-filled” cavity called the thoracic cavity. The thoracic cavity plays a vital role in the process of inhalation and exhalation. It contains a muscular structure called the diaphragm.

Answer 10

Summary Introduction

(c)

To determine:

The change in the tidal volume if intercostal nerves are cut.

Introduction:

The mechanism of breathing involves contraction and relaxation of intercostal muscles. Breathing is controlled by the size of the diaphragm. The contraction and relaxation of intercostal muscles lead to a change in the size of the diaphragm.

Answer 11

Summary Introduction

(c)

To determine:

The change in the tidal volume if intercostal nerves are cut.

Introduction:

The mechanism of breathing involves contraction and relaxation of intercostal muscles. Breathing is controlled by the size of the diaphragm. The contraction and relaxation of intercostal muscles lead to a change in the size of the diaphragm.

Answer 12

Expert Solution & Answer

Answer 13

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Answer 14

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Answer 15

Ch. 23.1 - Prob. 1AYP Ch. 23.1 - Explain the functions of the respiratory system.Ch. 23.2 - Prob. 3AYP Ch. 23.2 - Explain how the conducting zone differs from the...Ch. 23.2 - Describe the structures of the nasal cavity.Ch. 23.2 - Prob. 6AYP Ch. 23.2 - Prob. 7AYP Ch. 23.2 - Prob. 8AYP Ch. 23.2 - Distinguish between the vestibular and vocal...Ch. 23.2 - How does the position of the arytenoid cartilages...

(a) To determine: The change in the tidal volume if vagus nerves are cut. Introduction: Tidal volume is the amount of air inhaled and exhaled during normal breathing. In an adult male, the tidal volume is 500ml. Tidal volume represents the efficiency of the lungs at rest.

Solution Summary: The author describes the Hering-Breuer reflex, which is controlled by a nerve called the vagus nerve.

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(a)

To determine:

The change in the tidal volume if vagus nerves are cut.

Introduction:

Tidal volume is the amount of air inhaled and exhaled during normal breathing. In an adult male, the tidal volume is 500ml. Tidal volume represents the efficiency of the lungs at rest.

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Chapter 23 Solutions