If the compliance of the lung is 0.2 L/cm H2O and the compliance of the chest wall is 0.2 L/cm H2O,what is the compliance across the respiratory system (Crs)?

A) 0.1 L/cm H2O B) 0.4 L/cm H2O C) 1.0 L/cm H2O D) 4.0 L/cm H2O A) 0.1 L/cm H2O B) 0.4 L/cm H2O C) 1.0 L/cm H2O D) 4.0 L/cm H2O A

What is the pressure in the alveolus when the translung pressure is 3.5 cm H2O and the pleural pressure is -8.5 cm H2O?

A) -5 cm H2O B) 0 cm H2O C) 5 cm H2O D) -12 cm H2O A) -5 cm H2O B) 0 cm H2O C) 5 cm H2O D) -12 cm H2O

Exam 21: Static Lung and Chest Wall Mechanics

If the compliance of the lung is 0.2 L/cm H₂O and the compliance of the chest wall is 0.2 L/cm H₂O,what is the compliance across the respiratory system (C_rs)?

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Question 1

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An individual with pulmonary fibrosis will demonstrate

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Question 2

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If pleural pressure changes from -3 cm H₂O to -7 cm H₂O as a subject breathes,and if the functional residual capacity (FRC)increases by 1 L,what is the compliance of the lung?

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Question 3

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An individual with respiratory symptoms undergoes pulmonary function testing.The RV measured by helium dilution is increased but is lower than the RV measured by body plethysmography.Which of the following is the most likely explanation for this difference?

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Question 4

An individual with increased mucus production and airway inflammation will demonstrate what changes in the residual volume (RV)and FRC?

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Question 5

A patient's lung compliance was measured with the use of an intraesophageal balloon (a measure of pleural pressure).When he has inspired 500 mL,his intraesophageal pressure decreases from -3 cm H₂O at FRC to -7 cm H₂O.What is his lung compliance?

(Multiple Choice)

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Question 6

An individual with an increase in lung compliance will demonstrate which of the following changes in TLC and the ratio of the total lung capacity to the RV?

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Question 7

Which of the following statements about the effect of surfactant on chest wall compliance is correct?

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Question 8

When the pressure across the respiratory system (P_rs)is 0,which of the following statements is true?

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Question 9

What is the pressure in the alveolus when the translung pressure is 3.5 cm H₂O and the pleural pressure is -8.5 cm H₂O?

(Multiple Choice)

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Question 10

Showing 1 - 10 of 10

Exam 21: Static Lung and Chest Wall Mechanics

If the compliance of the lung is 0.2 L/cm H2O and the compliance of the chest wall is 0.2 L/cm H2O,what is the compliance across the respiratory system (Crs)?

An individual with pulmonary fibrosis will demonstrate

If pleural pressure changes from -3 cm H2O to -7 cm H2O as a subject breathes,and if the functional residual capacity (FRC)increases by 1 L,what is the compliance of the lung?

An individual with respiratory symptoms undergoes pulmonary function testing.The RV measured by helium dilution is increased but is lower than the RV measured by body plethysmography.Which of the following is the most likely explanation for this difference?

An individual with increased mucus production and airway inflammation will demonstrate what changes in the residual volume (RV)and FRC?

A patient's lung compliance was measured with the use of an intraesophageal balloon (a measure of pleural pressure).When he has inspired 500 mL,his intraesophageal pressure decreases from -3 cm H2O at FRC to -7 cm H2O.What is his lung compliance?

An individual with an increase in lung compliance will demonstrate which of the following changes in TLC and the ratio of the total lung capacity to the RV?

Which of the following statements about the effect of surfactant on chest wall compliance is correct?

When the pressure across the respiratory system (Prs)is 0,which of the following statements is true?

What is the pressure in the alveolus when the translung pressure is 3.5 cm H2O and the pleural pressure is -8.5 cm H2O?

Principles of Cell Function

Homeostasis of Body Fluids

Signal Transduction, membrane Receptors, second Messengers, and Regulation of Gene Expression

The Nervous System: Introduction to Cells and Systems

Generation and Conduction of Action Potentials

Synaptic Transmission

The Somatosensory System

The Special Senses

Organization of Motor Function

Higher Functions of the Nervous System

The Autonomic Nervous System and Its Central Control

Skeletal Muscle Physiology

Cardiac Muscle

Smooth Muscle

Overview of Circulation

Elements of Cardiac Function

Properties of the Vasculature

Regulation of the Heart and Vasculature

Integrated Control of the Cardiovascular System

Structure and Function of the Respiratory System

Dynamic Lung and Chest Wall Mechanics

Ventilation

Oxygen and Carbon Dioxide Transport

Control of Respiration

Non-Physiologic Functions of the Lung: Host Defense and Metabolism

Functional Anatomy and General Principles of Regulation in the Gastrointestinal Tract

The Cephalic, oral, and Esophageal Phases of the Integrated Response to a Meal

The Gastric Phase of the Integrated Response to a Meal

The Small Intestinal Phase of the Integrated Response to a Meal

The Colonic Phase of the Integrated Response to a Meal

Transport and Metabolic Functions of the Liver

Elements of Renal Function

Solute and Water Transport Along the Nephron: Tubular Function

Control of Body Fluid Osmolality and Volume

Potassium, calcium, and Phosphate Homeostasis

Role of the Kidneys in the Regulation of Acid-Base Balance

Introduction to the Endocrine System

Hormonal Regulation of Energy Metabolism

Hormonal Regulation of Calcium and Phosphate Metabolism

The Hypothalamus and Pituitary Gland

The Thyroid Gland

The Adrenal Glands

The Male and Female Reproductive Systems

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If the compliance of the lung is 0.2 L/cm H₂O and the compliance of the chest wall is 0.2 L/cm H₂O,what is the compliance across the respiratory system (C_rs)?

If pleural pressure changes from -3 cm H₂O to -7 cm H₂O as a subject breathes,and if the functional residual capacity (FRC)increases by 1 L,what is the compliance of the lung?

A patient's lung compliance was measured with the use of an intraesophageal balloon (a measure of pleural pressure).When he has inspired 500 mL,his intraesophageal pressure decreases from -3 cm H₂O at FRC to -7 cm H₂O.What is his lung compliance?

When the pressure across the respiratory system (P_rs)is 0,which of the following statements is true?

What is the pressure in the alveolus when the translung pressure is 3.5 cm H₂O and the pleural pressure is -8.5 cm H₂O?