Question 1

What quantity of oxygen would be transported if Hb was 12g% and the SaO2 was 90%?

Accepted Answer

A)  14.47 vol% O2 
B)  19.8 vol% 
C)  16.98 vol% 
D)  16.08 vol% O2 
A)  14.47 vol% O2 
B)  19.8 vol% 
C)  16.98 vol% 
D)  16.08 vol% O2 A

Question 2

During an acute asthma episode, a female patient arrived in ER and on room air was found to have a pH 7.25, PaCO2 71 mm Hg, PaO2 27 mmHg. What effect would these blood gases have on the oxyhemoglobin dissociation curve?

Accepted Answer

A)  pH and PCO2 would shift the curve to the left 
B)  pH would cause left shift but PCO2 would cause right shift 
C)  pH and PCO2 would shift the curve to the right 
D)  PCO2 would cause left shift but pH would cause right shift 
A)  pH and PCO2 would shift the curve to the left 
B)  pH would cause left shift but PCO2 would cause right shift 
C)  pH and PCO2 would shift the curve to the right 
D)  PCO2 would cause left shift but pH would cause right shift C

Question 3

Which of the following pulmonary shunt values indicates normal lung status?

Accepted Answer

A)  45% 
B)  23% 
C)  10% 
D)  17% 
A)  45% 
B)  23% 
C)  10% 
D)  17% C

Question 4

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

Accepted Answer

A)  It falls from 75mm 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 100mm Hg to 60 mm Hg. 
A)  It falls from 75mm 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 100mm Hg to 60 mm Hg.

Question 5

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

Question 6

Pulse oximeter measurements below what percent are considered inaccurate and unreliable?

Accepted Answer

A)  50 
B)  65 
C)  48 
D)  70 
A)  50 
B)  65 
C)  48 
D)  70

Question 7

The quantity of oxygen that dissolves in the plasma is a function of what law?

Accepted Answer

A)  Bryce's 
B)  Dalton's 
C)  Henry's 
D)  Torr's 
A)  Bryce's 
B)  Dalton's 
C)  Henry's 
D)  Torr's

Question 8

Which portion of the oxyhemoglobin dissociation curve illustrates that hemoglobin has a safety zone for the loading of oxygen in the lungs?

Accepted Answer

A)  flat portion between 90-100% saturation 
B)  steep portion between 0-25% saturation 
C)  steep portion between 50-90% saturation 
D)  flat portion between 50-75% saturation 
A)  flat portion between 90-100% saturation 
B)  steep portion between 0-25% saturation 
C)  steep portion between 50-90% saturation 
D)  flat portion between 50-75% saturation

Question 9

What is the term for Hb?

Accepted Answer

A)  methemoglobin 
B)  carboxyhemoglobin 
C)  oxyhemoglobin 
D)  deoxyhemoglobin 
A)  methemoglobin 
B)  carboxyhemoglobin 
C)  oxyhemoglobin 
D)  deoxyhemoglobin

Question 10

What is another term for absolute shunts?

Accepted Answer

A)  true shunts 
B)  shunt-like effects 
C)  relative shunts 
D)  dead space 
A)  true shunts 
B)  shunt-like effects 
C)  relative shunts 
D)  dead space

Question 11

How many heme groups are in each Hb A molecule?

Accepted Answer

A)  280 million 
B)  15 
C)  4 
D)  1.34 
A)  280 million 
B)  15 
C)  4 
D)  1.34

Question 12

What portion of the total CO2 transported by the body is carried as carbamino-Hb?

Accepted Answer

A)  11% 
B)  21% 
C)  41% 
D)  1% 
A)  11% 
B)  21% 
C)  41% 
D)  1%

Question 13

What does a P50 of 30 indicate?

Accepted Answer

A)  a leftward shift of the curve meaning a decreased affinity of hemoglobin for O2 
B)  a rightward shift of the curve meaning a decreased affinity of hemoglobin for O2 
C)  a leftward shift of the curve meaning an increased affinity of hemoglobin for O2 
D)  a rightward shift of the curve meaning an increased affinity of hemoglobin for O2 
A)  a leftward shift of the curve meaning a decreased affinity of hemoglobin for O2 
B)  a rightward shift of the curve meaning a decreased affinity of hemoglobin for O2 
C)  a leftward shift of the curve meaning an increased affinity of hemoglobin for O2 
D)  a rightward shift of the curve meaning an increased affinity of hemoglobin for O2

Question 14

Which hormone is used in blood boosting by athletes?

Accepted Answer

A)  HCG 
B)  Glucagon 
C)  ACTH 
D)  EPO 
A)  HCG 
B)  Glucagon 
C)  ACTH 
D)  EPO

Question 15

What is the general definition of hypoxemia?

Accepted Answer

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

Question 16

Which of the following would cause capillary shunts?
I. Atelectasis
II. Severe pulmonary edema
III. Pneumonia

Accepted Answer

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

Question 17

How does the shape of the carbon dioxide dissociation curve compare to that of oxygen?

Accepted Answer

A)  It is more linear than the oxygen dissociation curve. 
B)  They both are S shaped 
C)  They both are almost linear 
D)  It is shaped more like a sine wave 
A)  It is more linear than the oxygen dissociation curve. 
B)  They both are S shaped 
C)  They both are almost linear 
D)  It is shaped more like a sine wave

Question 18

What portion of the total amount of CO2 transported is carried as dissolved CO2 in the plasma?

Accepted Answer

A)  5% 
B)  1% 
C)  20% 
D)  10% 
A)  5% 
B)  1% 
C)  20% 
D)  10%

Question 19

How is the majority of CO2 transported from the tissues to the lungs?

Accepted Answer

A)  bicarbonate 
B)  carbamino Hb 
C)  carbamino compounds 
D)  dissolved in the plasma 
A)  bicarbonate 
B)  carbamino Hb 
C)  carbamino compounds 
D)  dissolved in the plasma

Question 20

What does a hematocrit of 54% indicate for a 40-year-old male residing at sea level?

Accepted Answer

A)  polycythemia 
B)  anemia 
C)  normal value 
D)  hemophilia 
A)  polycythemia 
B)  anemia 
C)  normal value 
D)  hemophilia

What quantity of oxygen would be transported if Hb was 12g% and the SaO₂ was 90%?

During an acute asthma episode, a female patient arrived in ER and on room air was found to have a pH 7.25, PaCO₂ 71 mm Hg, PaO₂ 27 mmHg. What effect would these blood gases have on the oxyhemoglobin dissociation curve?

Which of the following pulmonary shunt values indicates normal lung status?

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

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

Pulse oximeter measurements below what percent are considered inaccurate and unreliable?

The quantity of oxygen that dissolves in the plasma is a function of what law?

Which portion of the oxyhemoglobin dissociation curve illustrates that hemoglobin has a safety zone for the loading of oxygen in the lungs?

What is the term for Hb?

What is another term for absolute shunts?

How many heme groups are in each Hb A molecule?

What portion of the total CO₂ transported by the body is carried as carbamino-Hb?

What does a P₅₀ of 30 indicate?

Which hormone is used in blood boosting by athletes?

What is the general definition of hypoxemia?

Which of the following would cause capillary shunts? I. Atelectasis II. Severe pulmonary edema III. Pneumonia

How does the shape of the carbon dioxide dissociation curve compare to that of oxygen?

What portion of the total amount of CO₂ transported is carried as dissolved CO₂ in the plasma?

How is the majority of CO₂ transported from the tissues to the lungs?

What does a hematocrit of 54% indicate for a 40-year-old male residing at sea level?

The Anatomy and Physiology of the Respitory System

Ventilation

Pulmonary Function Measurements

The Diffusion of Pulmonary Gases

The Anatomy and Physiology of the Circulatory System

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 6: Oxygen and Carbon Dioxide Transport

What quantity of oxygen would be transported if Hb was 12g% and the SaO2 was 90%?

During an acute asthma episode, a female patient arrived in ER and on room air was found to have a pH 7.25, PaCO2 71 mm Hg, PaO2 27 mmHg. What effect would these blood gases have on the oxyhemoglobin dissociation curve?

Which of the following pulmonary shunt values indicates normal lung status?

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

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

Pulse oximeter measurements below what percent are considered inaccurate and unreliable?

The quantity of oxygen that dissolves in the plasma is a function of what law?

Which portion of the oxyhemoglobin dissociation curve illustrates that hemoglobin has a safety zone for the loading of oxygen in the lungs?

What is the term for Hb?

What is another term for absolute shunts?

How many heme groups are in each Hb A molecule?

What portion of the total CO2 transported by the body is carried as carbamino-Hb?

What does a P50 of 30 indicate?

Which hormone is used in blood boosting by athletes?

What is the general definition of hypoxemia?

Which of the following would cause capillary shunts? I. Atelectasis II. Severe pulmonary edema III. Pneumonia

How does the shape of the carbon dioxide dissociation curve compare to that of oxygen?

What portion of the total amount of CO2 transported is carried as dissolved CO2 in the plasma?

How is the majority of CO2 transported from the tissues to the lungs?

What does a hematocrit of 54% indicate for a 40-year-old male residing at sea level?

The Anatomy and Physiology of the Respitory System

Ventilation

Pulmonary Function Measurements

The Diffusion of Pulmonary Gases

The Anatomy and Physiology of the Circulatory System

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 quantity of oxygen would be transported if Hb was 12g% and the SaO₂ was 90%?

During an acute asthma episode, a female patient arrived in ER and on room air was found to have a pH 7.25, PaCO₂ 71 mm Hg, PaO₂ 27 mmHg. What effect would these blood gases have on the oxyhemoglobin dissociation curve?

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

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

What portion of the total CO₂ transported by the body is carried as carbamino-Hb?

What does a P₅₀ of 30 indicate?

What portion of the total amount of CO₂ transported is carried as dissolved CO₂ in the plasma?

How is the majority of CO₂ transported from the tissues to the lungs?