Question 1

Which term refers to "low or inadequate oxygen for aerobic cellular metabolism"?

Accepted Answer

A)  hypoxia 
B)  hypoxemia 
C)  anoxia 
D)  lactic acid 
A)  hypoxia 
B)  hypoxemia 
C)  anoxia 
D)  lactic acid

Question 2

What would the total oxygen content equal if the hemoglobin was 16g%,SaO₂ was 90% and PaO₂ was 63 mm Hg?

Accepted Answer

A)  19.48 vol% 
B)  21.6 vol% 
C)  20.1 vol % 
D)  19.8 vol% 
A)  19.48 vol% 
B)  21.6 vol% 
C)  20.1 vol % 
D)  19.8 vol%

Question 3

What is the end result of venous admixture?

Accepted Answer

A)  reduced PaO₂ and reduced CaO₂ returning to left side of the heart 
B)  increased PaO₂ and increased CaO₂ returning to left side of the heart 
A)  reduced PaO₂ and reduced CaO₂ returning to left side of the heart 
B)  increased PaO₂ and increased CaO₂ returning to left side of the heart

Question 4

What is the formula for calculating CCO₂?

Accepted Answer

A)  (Hb x 1.34) + (PaO2 x 0.003) 
B)  (Hb x 1.34) + (PvO2 x 0.003) 
C)  (Hb x 1.34) + (PaO2 x 0.03) 
A)  (Hb x 1.34) + (PaO2 x 0.003) 
B)  (Hb x 1.34) + (PvO2 x 0.003) 
C)  (Hb x 1.34) + (PaO2 x 0.03)

Question 5

What is the term for HbO₂?

Accepted Answer

A)  oxyhemoglobin 
B)  reduced hemoglobin 
C)  carboxyhemoglobin 
D)  carbaminohemoglobin 
A)  oxyhemoglobin 
B)  reduced hemoglobin 
C)  carboxyhemoglobin 
D)  carbaminohemoglobin

Question 6

At body temperature and a PaO₂ of 500 mmHg,how much oxygen can dissolve in the plasma?

Accepted Answer

A)  1.5 vol% 
B)  0.15 vol% 
C)  15 vol% 
D)  0.015 vol% 
A)  1.5 vol% 
B)  0.15 vol% 
C)  15 vol% 
D)  0.015 vol%

Question 7

What impact does the steep portion of the oxyhemoglobin dissociation curve have on oxygen delivery?

Accepted Answer

A)  PO₂s below 60 enhance the release of oxygen from hemoglobin to the tissues 
B)  PO₂s below 60 prevents the release of oxygen from hemoglobin to tissues 
C)  No oxygen can be released to tissues until PO₂s are above 60 mm Hg 
D)  Oxygen binds irreversibly with hemoglobin until the P50 is reached 
A)  PO₂s below 60 enhance the release of oxygen from hemoglobin to the tissues 
B)  PO₂s below 60 prevents the release of oxygen from hemoglobin to tissues 
C)  No oxygen can be released to tissues until PO₂s are above 60 mm Hg 
D)  Oxygen binds irreversibly with hemoglobin until the P50 is reached

Question 8

What is the normal hemoglobin value for adult males?

Accepted Answer

A)  14-16 g% 
B)  12-15 g% 
C)  15-18 g% 
D)  12-18 g% 
A)  14-16 g% 
B)  12-15 g% 
C)  15-18 g% 
D)  12-18 g%

Question 9

From 97% and 90% saturation on the oxyhemoglobin dissociation curve,what change occurs in the PO₂?

Accepted Answer

A)  It falls from 100mm Hg to 60 mm Hg 
B)  It rises from 60 mm Hg to 100 mm Hg 
C)  It rises from 27mm Hg to 40 mm Hg 
D)  It falls from 75mm hg to 60 mm Hg 
A)  It falls from 100mm Hg to 60 mm Hg 
B)  It rises from 60 mm Hg to 100 mm Hg 
C)  It rises from 27mm Hg to 40 mm Hg 
D)  It falls from 75mm hg to 60 mm Hg

Question 10

How would a PO₂ of 80 mm Hg affect the oxyhemoglobin dissociation curve and hemoglobin's ability to transport oxygen to peripheral tissues?

Accepted Answer

A)  the curve would not be shifted and oxygen delivery would remain normal 
B)  the curve would left but oxygen delivery would remain normal 
C)  the curve would shift right and enhance oxygen delivery 
D)  the curve would shift left and reduce oxygen delivery 
A)  the curve would not be shifted and oxygen delivery would remain normal 
B)  the curve would left but oxygen delivery would remain normal 
C)  the curve would shift right and enhance oxygen delivery 
D)  the curve would shift left and reduce oxygen delivery

Question 11

A patient has a reported SaO₂ of 90%,hemoglobin 15 g%,PaO₂ of 61 mmHg,cardiac output of 6 L/min,and CvO₂ of 14.2 vol%.What would the C(a-v)O₂ equal?

Accepted Answer

A)  4.07 vol% 
B)  5 vol% 
C)  6.07 vol% 
D)  insufficent info provided to calculate 
A)  4.07 vol% 
B)  5 vol% 
C)  6.07 vol% 
D)  insufficent info provided to calculate

Question 12

What is the normal P₅₀?

Accepted Answer

A)  27 mm Hg 
B)  20 mm Hg 
C)  30 mm Hg 
D)  50 mm Hg 
A)  27 mm Hg 
B)  20 mm Hg 
C)  30 mm Hg 
D)  50 mm Hg

Question 13

What is the general definition of hypoxemia?

Accepted Answer

A)  low oxygen tension in arterial blood 
B)  low oxygen tension at the tissue level 
C)  low oxygen tension in venous blood 
D)  low oxygen tension in the hemoglobin 
A)  low oxygen tension in arterial blood 
B)  low oxygen tension at the tissue level 
C)  low oxygen tension in venous blood 
D)  low oxygen tension in the hemoglobin

Question 14

How many alpha and beta chains are present in a HbA molecule?

Accepted Answer

A)  2 alpha and 2 beta chains 
B)  1 alpha and 1 beta chain 
C)  141 alpha and 146 beta chains 
D)  146 alpha and 141 beta chains 
A)  2 alpha and 2 beta chains 
B)  1 alpha and 1 beta chain 
C)  141 alpha and 146 beta chains 
D)  146 alpha and 141 beta chains

Which term refers to "low or inadequate oxygen for aerobic cellular metabolism"?

What would the total oxygen content equal if the hemoglobin was 16g%,SaO₂ was 90% and PaO₂ was 63 mm Hg?

What is the end result of venous admixture?

What is the formula for calculating CCO₂?

What is the term for HbO₂?

At body temperature and a PaO₂ of 500 mmHg,how much oxygen can dissolve in the plasma?

What impact does the steep portion of the oxyhemoglobin dissociation curve have on oxygen delivery?

What is the normal hemoglobin value for adult males?

From 97% and 90% saturation on the oxyhemoglobin dissociation curve,what change occurs in the PO₂?

How would a PO₂ of 80 mm Hg affect the oxyhemoglobin dissociation curve and hemoglobin's ability to transport oxygen to peripheral tissues?

A patient has a reported SaO₂ of 90%,hemoglobin 15 g%,PaO₂ of 61 mmHg,cardiac output of 6 L/min,and CvO₂ of 14.2 vol%.What would the C(a-v)O₂ equal?

What is the normal P₅₀?

What is the general definition of hypoxemia?

How many alpha and beta chains are present in a HbA molecule?

The Anatomy and Physiology of the Respiratory System

Ventilation

Pulmonary Function Measurements

The Diffusion of Pulmonary Gases

The Anatomy and Physiology of the Circulatory System

Acid Base Balance

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 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

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Exam 6: Oxygen and Carbon DioxideTransport

Which term refers to "low or inadequate oxygen for aerobic cellular metabolism"?

What would the total oxygen content equal if the hemoglobin was 16g%,SaO₂ was 90% and PaO₂ was 63 mm Hg?

What is the end result of venous admixture?

What is the formula for calculating CCO₂?

What is the term for HbO₂?

At body temperature and a PaO₂ of 500 mmHg,how much oxygen can dissolve in the plasma?

What impact does the steep portion of the oxyhemoglobin dissociation curve have on oxygen delivery?

What is the normal hemoglobin value for adult males?

From 97% and 90% saturation on the oxyhemoglobin dissociation curve,what change occurs in the PO₂?

How would a PO₂ of 80 mm Hg affect the oxyhemoglobin dissociation curve and hemoglobin's ability to transport oxygen to peripheral tissues?

A patient has a reported SaO₂ of 90%,hemoglobin 15 g%,PaO₂ of 61 mmHg,cardiac output of 6 L/min,and CvO₂ of 14.2 vol%.What would the C(a-v)O₂ equal?

What is the normal P₅₀?

What is the general definition of hypoxemia?

How many alpha and beta chains are present in a HbA molecule?

The Anatomy and Physiology of the Respiratory System

Ventilation

Pulmonary Function Measurements

The Diffusion of Pulmonary Gases

The Anatomy and Physiology of the Circulatory System

Acid Base Balance

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 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