Question 1

Which gas law is the law of partial pressures?

Accepted Answer

A)  Graham's law 
B)  Dalton's law 
C)  Henry's law 
D)  Boyle's law 
A)  Graham's law 
B)  Dalton's law 
C)  Henry's law 
D)  Boyle's law B

Question 2

At sea level, what does the total atmosphere equal in mmHg?

Accepted Answer

A)  100 mm Hg 
B)  159 mm Hg 
C)  760 mm Hg 
D)  593 mm Hg 
A)  100 mm Hg 
B)  159 mm Hg 
C)  760 mm Hg 
D)  593 mm Hg D

Question 3

What percentage of the atmosphere does oxygen compose?

Accepted Answer

A)  58% 
B)  21% 
C)  46% 
D)  29% 
A)  58% 
B)  21% 
C)  46% 
D)  29% B

Question 4

Which of the following conditions are indications for HBOT?
I. Clostridial gangrene
II. Intracranial abscess
III. Radiation necrosis
IV. Refractory osteomyelitis

Accepted Answer

A)  I, II, III, and IV 
B)  I, III, and IV only 
C)  I and IV only 
D)  II and III only 
A)  I, II, III, and IV 
B)  I, III, and IV only 
C)  I and IV only 
D)  II and III only

Question 5

Which of the following conditions reduce the alveolar surface area?
I. Emphysema
II. Excessive airway secretions
III. Pneumothorax
IV. Sinusitis

Accepted Answer

A)  I, II, and III only 
B)  I and III only 
C)  I only 
D)  I, II, III, and IV 
A)  I, II, and III only 
B)  I and III only 
C)  I only 
D)  I, II, III, and IV

Question 6

In a healthy adult at rest at sea level, what is the normal carbon dioxide gradient across the alveolar capillary membrane?

Accepted Answer

A)  40 mm Hg 
B)  60 mm Hg 
C)  27 mm Hg 
D)  6 mm Hg 
A)  40 mm Hg 
B)  60 mm Hg 
C)  27 mm Hg 
D)  6 mm Hg

Question 7

What is the classic diagnostic sign that verifies that a patient has emphysema rather than other types of chronic obstructive disorders?

Accepted Answer

A)  increased RV 
B)  decreased DLCO 
C)  increased FRC 
D)  decreased FEV1 
A)  increased RV 
B)  decreased DLCO 
C)  increased FRC 
D)  decreased FEV1

Question 8

What is the normal thickness of the alveolar capillary membrane?

Accepted Answer

A)  0.36 - 2.5 mm 
B)  2.6 - 3.5 mm 
C)  0.36 - 2.5 microns 
D)  2.6 - 3.6 microns 
A)  0.36 - 2.5 mm 
B)  2.6 - 3.5 mm 
C)  0.36 - 2.5 microns 
D)  2.6 - 3.6 microns

Question 9

Which of the following are pulmonary effects associated with oxygen toxicity?
I. Tracheobronchitis
II. Substernal chest pain
III. Increased lung compliance
IV. Increased TLC

Accepted Answer

A)  III and IV only 
B)  III and IV only. 
C)  I, II, and IV only 
D)  I and II only 
A)  III and IV only 
B)  III and IV only. 
C)  I, II, and IV only 
D)  I and II only

Question 10

What accounts for the change in PO2 between the atmosphere and alveoli?
I. Water vapor pressure in alveolar gas
II. PCO2 is higher in alveolus than in the atmospheric gas
III. Higher percentage of N2 in alveolar gas
IV. PB is lower in the alveoli than in the atmosphere

Accepted Answer

A)  I, II, and IV only 
B)  I and IV only 
C)  I and II only 
D)  I, II, III, and IV 
A)  I, II, and IV only 
B)  I and IV only 
C)  I and II only 
D)  I, II, III, and IV

Question 11

Which of the following are central nervous system effects associated with oxygen toxicity?
I. Tremors
II. Twitching
III. Convulsions
IV. Coma

Accepted Answer

A)  III and IV only 
B)  I, II, and IV only 
C)  I, II, III, and IV 
D)  I, II, and III only 
A)  III and IV only 
B)  I, II, and IV only 
C)  I, II, III, and IV 
D)  I, II, and III only

Question 12

What is the solubility of oxygen at 760 mm Hg and 37 ° C?

Accepted Answer

A)  0.592 mL/mm Hg/ mL H2O 
B)  0.25 mL/mm Hg/mL H2O 
C)  0.75 mL/mm Hg/mL H2O 
D)  0.0244 mL/mm Hg/mL H2O 
A)  0.592 mL/mm Hg/ mL H2O 
B)  0.25 mL/mm Hg/mL H2O 
C)  0.75 mL/mm Hg/mL H2O 
D)  0.0244 mL/mm Hg/mL H2O

Question 13

What is described by the following: "the movement of gas across the alveolar wall is a function of the integrity of the alveolar-capillary membrane'?

Accepted Answer

A)  perfusion limited 
B)  perfusion 
C)  diffusion limited 
D)  diffusion 
A)  perfusion limited 
B)  perfusion 
C)  diffusion limited 
D)  diffusion

Question 14

What is the normal diffusion capacity of CO?

Accepted Answer

A)  60 mL/min/mmHg 
B)  20 mL/min/mm Hg 
C)  40 mL/min/mmHg 
D)  25 mL/min/mm Hg 
A)  60 mL/min/mmHg 
B)  20 mL/min/mm Hg 
C)  40 mL/min/mmHg 
D)  25 mL/min/mm Hg

Question 15

When breathing FIO2 1.0 at sea level, what would the PN2 in the alveoli equal?

Accepted Answer

A)  0 
B)  593 mm Hg 
C)  573 mm Hg 
D)  47 mm Hg 
A)  0 
B)  593 mm Hg 
C)  573 mm Hg 
D)  47 mm Hg

Question 16

Under normal resting conditions, what is the total transit time required for blood to move through the alveolar capillary system?

Accepted Answer

A)  0.25 seconds 
B)  0.75 seconds 
C)  1 second 
D)  0.5 seconds 
A)  0.25 seconds 
B)  0.75 seconds 
C)  1 second 
D)  0.5 seconds

Question 17

What is the normal value for the respiratory exchange ratio?

Accepted Answer

A)  0.6 
B)  1.0 
C)  0.8 
D)  1.25 
A)  0.6 
B)  1.0 
C)  0.8 
D)  1.25

Question 18

What is derived from the following equation? X = [PB -PH20] FIO2 - PaCO2 (1.25)

Accepted Answer

A)  PACO2 
B)  PN2 
C)  PAO2 
D)  PaO2 
A)  PACO2 
B)  PN2 
C)  PAO2 
D)  PaO2

Question 19

Which of the following is true related to oxygen diffusion?

Accepted Answer

A)  It can only be perfusion limited 
B)  It is normally diffusion limited but under certain abnormal pulmonary condition can become perfusion limited 
C)  It can only be diffusion limited 
D)  It is normally perfusion limited but under certain abnormal pulmonary conditions can become diffusion limited 
A)  It can only be perfusion limited 
B)  It is normally diffusion limited but under certain abnormal pulmonary condition can become perfusion limited 
C)  It can only be diffusion limited 
D)  It is normally perfusion limited but under certain abnormal pulmonary conditions can become diffusion limited

Question 20

What effect does an increased altitude have on the percentage that gases compose in the atmosphere?

Accepted Answer

A)  the percentages remain the same but the partial pressures would decrease with altitude 
B)  the partial pressures remain the same but the percentages would decrease 
C)  the percentages and the partial pressures would increase 
D)  the percentages and the partial pressures would decrease 
A)  the percentages remain the same but the partial pressures would decrease with altitude 
B)  the partial pressures remain the same but the percentages would decrease 
C)  the percentages and the partial pressures would increase 
D)  the percentages and the partial pressures would decrease

Which gas law is the law of partial pressures?

At sea level, what does the total atmosphere equal in mmHg?

What percentage of the atmosphere does oxygen compose?

Which of the following conditions are indications for HBOT? I. Clostridial gangrene II. Intracranial abscess III. Radiation necrosis IV. Refractory osteomyelitis

Which of the following conditions reduce the alveolar surface area? I. Emphysema II. Excessive airway secretions III. Pneumothorax IV. Sinusitis

In a healthy adult at rest at sea level, what is the normal carbon dioxide gradient across the alveolar capillary membrane?

What is the classic diagnostic sign that verifies that a patient has emphysema rather than other types of chronic obstructive disorders?

What is the normal thickness of the alveolar capillary membrane?

Which of the following are pulmonary effects associated with oxygen toxicity? I. Tracheobronchitis II. Substernal chest pain III. Increased lung compliance IV. Increased TLC

What accounts for the change in PO₂ between the atmosphere and alveoli? I. Water vapor pressure in alveolar gas II. PCO₂ is higher in alveolus than in the atmospheric gas III. Higher percentage of N₂ in alveolar gas IV. P_B is lower in the alveoli than in the atmosphere

Which of the following are central nervous system effects associated with oxygen toxicity? I. Tremors II. Twitching III. Convulsions IV. Coma

What is the solubility of oxygen at 760 mm Hg and 37 ° C?

What is described by the following: "the movement of gas across the alveolar wall is a function of the integrity of the alveolar-capillary membrane'?

What is the normal diffusion capacity of CO?

When breathing F_IO₂ 1.0 at sea level, what would the P_N2 in the alveoli equal?

Under normal resting conditions, what is the total transit time required for blood to move through the alveolar capillary system?

What is the normal value for the respiratory exchange ratio?

What is derived from the following equation? X = [P_B -P_H20] F_IO₂ - PaCO₂ (1.25)

Which of the following is true related to oxygen diffusion?

What effect does an increased altitude have on the percentage that gases compose in the atmosphere?

The Anatomy and Physiology of the Respitory System

Ventilation

Pulmonary Function Measurements

The Anatomy and Physiology of the Circulatory System

Oxygen and Carbon Dioxide Transport

Acid-Base Balance and Regulation

Ventilation-Perfusion Relationships

Control of Ventilation

Fetal Development and the Cardiopulmonary System

Aging and the Cardiopulmonary System

Electrophysiology of the Heart

The Standard 12-Ecg Lead System

Ecg Interpretation

Hemodynamic Measurements

Renal Failure and Its Effects on the Cardiopulmonary System

Sleep Physiology and Its Relationship to the Cardiopulmonary System

Exercise and Its Effects on the Cardiopulmonary System

High Altitude and Its Effects on the Cardiopulmonary System

High Pressure Environments and Their Effects on the Cardiopulmonary System

Filters

Exam 4: The Diffusion of Pulmonary Gases

Which gas law is the law of partial pressures?

At sea level, what does the total atmosphere equal in mmHg?

What percentage of the atmosphere does oxygen compose?

Which of the following conditions are indications for HBOT? I. Clostridial gangrene II. Intracranial abscess III. Radiation necrosis IV. Refractory osteomyelitis

Which of the following conditions reduce the alveolar surface area? I. Emphysema II. Excessive airway secretions III. Pneumothorax IV. Sinusitis

In a healthy adult at rest at sea level, what is the normal carbon dioxide gradient across the alveolar capillary membrane?

What is the classic diagnostic sign that verifies that a patient has emphysema rather than other types of chronic obstructive disorders?

What is the normal thickness of the alveolar capillary membrane?

Which of the following are pulmonary effects associated with oxygen toxicity? I. Tracheobronchitis II. Substernal chest pain III. Increased lung compliance IV. Increased TLC

What accounts for the change in PO2 between the atmosphere and alveoli? I. Water vapor pressure in alveolar gas II. PCO2 is higher in alveolus than in the atmospheric gas III. Higher percentage of N2 in alveolar gas IV. PB is lower in the alveoli than in the atmosphere

Which of the following are central nervous system effects associated with oxygen toxicity? I. Tremors II. Twitching III. Convulsions IV. Coma

What is the solubility of oxygen at 760 mm Hg and 37 ° C?

What is described by the following: "the movement of gas across the alveolar wall is a function of the integrity of the alveolar-capillary membrane'?

What is the normal diffusion capacity of CO?

When breathing FIO2 1.0 at sea level, what would the PN2 in the alveoli equal?

Under normal resting conditions, what is the total transit time required for blood to move through the alveolar capillary system?

What is the normal value for the respiratory exchange ratio?

What is derived from the following equation? X = [PB -PH20] FIO2 - PaCO2 (1.25)

Which of the following is true related to oxygen diffusion?

What effect does an increased altitude have on the percentage that gases compose in the atmosphere?

The Anatomy and Physiology of the Respitory System

Ventilation

Pulmonary Function Measurements

The Anatomy and Physiology of the Circulatory System

Oxygen and Carbon Dioxide Transport

Acid-Base Balance and Regulation

Ventilation-Perfusion Relationships

Control of Ventilation

Fetal Development and the Cardiopulmonary System

Aging and the Cardiopulmonary System

Electrophysiology of the Heart

The Standard 12-Ecg Lead System

Ecg Interpretation

Hemodynamic Measurements

Renal Failure and Its Effects on the Cardiopulmonary System

Sleep Physiology and Its Relationship to the Cardiopulmonary System

Exercise and Its Effects on the Cardiopulmonary System

High Altitude and Its Effects on the Cardiopulmonary System

High Pressure Environments and Their Effects on the Cardiopulmonary System

Filters

What accounts for the change in PO₂ between the atmosphere and alveoli? I. Water vapor pressure in alveolar gas II. PCO₂ is higher in alveolus than in the atmospheric gas III. Higher percentage of N₂ in alveolar gas IV. P_B is lower in the alveoli than in the atmosphere

When breathing F_IO₂ 1.0 at sea level, what would the P_N2 in the alveoli equal?

What is derived from the following equation? X = [P_B -P_H20] F_IO₂ - PaCO₂ (1.25)