Exam 21: Respiratory Function and Alterations in Gas Exchange

Which of the following therapies would be associated with the largest increase in arterial oxygen content in a patient with a PaO₂ of 70 mm Hg and hemoglobin of 10 g/dl?

(Multiple Choice)

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Question 21

In zone 1 of the lung

(Multiple Choice)

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Question 22

Hypoxic pulmonary vasoconstriction

(Multiple Choice)

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Question 23

In zone 2 of the lung

(Multiple Choice)

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Question 24

A condition that results in increased pulmonary vascular resistance is

(Multiple Choice)

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Question 25

To maximize V/Q in a patient with unilateral lung disease, one would

(Multiple Choice)

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Question 26

In the lateral decubitus position

(Multiple Choice)

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Question 27

Distribution of ventilation in the upright lung is such that

(Multiple Choice)

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Question 28

Most of the carbon dioxide in blood is transported

(Multiple Choice)

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Question 29

Pulmonary artery blood is normally 95% to 100% saturated with oxygen.

(True/False)

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Question 30

A blood gas drawn from a patient's radial artery while she is breathing room air (21% oxygen) shows a PaO₂ of 85 mm Hg. What is the approximate A - aDO₂?

(Multiple Choice)

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Question 31

Restrictive pulmonary disorders are characterized by

(Multiple Choice)

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Question 32

Surfactant is a phospholipid that reduces

(Multiple Choice)

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Question 33

All of the following contribute to physiologic shunt except

(Multiple Choice)

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Question 34

Stimulation of $\beta$ ₂ receptors in the bronchioles increases bronchodilation.

(True/False)

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Question 35

The minute ventilation is calculated by multiplying respiratory rate and tidal volume.

(True/False)

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Question 36

Airway resistance to flow is determined primarily by airway diameter.

(True/False)

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Question 37

Shifts in the oxyhemoglobin dissociation curve represent the

(Multiple Choice)

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Question 38

Showing 21 - 38 of 38

Exam 21: Respiratory Function and Alterations in Gas Exchange

Which of the following therapies would be associated with the largest increase in arterial oxygen content in a patient with a PaO2 of 70 mm Hg and hemoglobin of 10 g/dl?

In zone 1 of the lung

Hypoxic pulmonary vasoconstriction

In zone 2 of the lung

A condition that results in increased pulmonary vascular resistance is

To maximize V/Q in a patient with unilateral lung disease, one would

In the lateral decubitus position

Distribution of ventilation in the upright lung is such that

Most of the carbon dioxide in blood is transported

Pulmonary artery blood is normally 95% to 100% saturated with oxygen.

A blood gas drawn from a patient's radial artery while she is breathing room air (21% oxygen) shows a PaO2 of 85 mm Hg. What is the approximate A - aDO2?

Restrictive pulmonary disorders are characterized by

Surfactant is a phospholipid that reduces

All of the following contribute to physiologic shunt except

Stimulation of β\betaβ 2 receptors in the bronchioles increases bronchodilation.

The minute ventilation is calculated by multiplying respiratory rate and tidal volume.

Airway resistance to flow is determined primarily by airway diameter.

Shifts in the oxyhemoglobin dissociation curve represent the

Introduction to Pathophysiology

Homeostasis and Adaptive Response to Stressors

Cell Structure and Function

Cell Injury, Aging, and Death

Molecular Genetics and Tissue Differentiation

Genetic and Developmental Disorders

Neoplasia

Infectious Processes

Inflammation and Immunity

Alterations in Immune Function

Malignant Disorders of White Blood Cells

Hiv Disease and Aids

Alterations in Oxygen Transport

Alterations in Hemostasis and Blood Coagulation

Alterations in Blood Flow

Alterations in Blood Pressure

Cardiac Function

Alterations in Cardiac Function

Heart Failure and Dysrhythmias: Common Sequelae of Cardiac

Shock

Obstructive Pulmonary Disorders

Restrictive Pulmonary Disorders

Fluid and Electrolyte Homeostasis and Imbalances

Acid-Base Homeostasis and Imbalances

Renal Function

Intrarenal Disorders

Acute Renal Failure and Chronic Kidney Disease

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Male Genital and Reproductive Function

Alterations in Male Genital and Reproductive Function

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Alterations in Function of the Gallbladder and Exocrine Pancreas

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Endocrine Physiology and Mechanisms of Hypothalmic-Pituitary Regulation

Disorders of Endocrine Function

Diabetes Mellitus

Alterations in Metabolism and Nutrition

Structure and Function of the Nervous System

Acute Disorders of Brain Function

Chronic Disorders of Neurologic Function

Alterations in Special Sensory Function

Pain

Neurobiology of Psychotic Illnesses

Neurobiology of Nonpsychotic Illnesses

Structure and Function of the Musculoskeletal System

Alterations in Musculoskeletal Function: Trauma, Infection, and Disease

Alterations in Musculoskeletal Function: Rheumatic Disorders

Alterations in the Integumentary System

Burn Injuries

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Which of the following therapies would be associated with the largest increase in arterial oxygen content in a patient with a PaO₂ of 70 mm Hg and hemoglobin of 10 g/dl?

A blood gas drawn from a patient's radial artery while she is breathing room air (21% oxygen) shows a PaO₂ of 85 mm Hg. What is the approximate A - aDO₂?

Stimulation of $\beta$ ₂ receptors in the bronchioles increases bronchodilation.