Question 1

If the vital capacity of a person is 4800 mL, while the TV is 500 mL and the ERV is 900 mL, the IRV is ____________________ mL.

Accepted Answer

The answer of If the vital capacity of a person...

Question 2

The combination of Hb and CO2 is known as carbamino haemoglobin.

Accepted Answer

A) True 
 B)False

Question 3

At the end of inspiration and at the end of expiration, intrapleural pressure is always equal to atmospheric pressure.

Accepted Answer

A) True 
 B)False

Question 4

A person has a tidal volume of 400 mL, a respiratory rate of 14 breaths per minute, and an anatomic dead space volume of 150 mL. What is his alveolar ventilation rate?

Accepted Answer

A) 3500 mL/minute 
B) 3920 mL/minute 
C)  5450 mL/minute 
D)  7700 mL/minute 
A) 3500 mL/minute 
B) 3920 mL/minute 
C)  5450 mL/minute 
D)  7700 mL/minute

Question 5

Systemic arterial PO2 is greater than tissue PO2.

Accepted Answer

A) True 
 B)False

Question 6

Pulmonary surfactant decreases surface tension to a greater degree in large alveoli than in small alveoli.

Accepted Answer

A) True 
 B)False

Question 7

Expiration is always a passive process.

Accepted Answer

A) True 
 B)False

Question 8

Which one of these spirometry results would NOT be expected of a patient suffering from obstructive lung disease?

Accepted Answer

A) normal total lung capacity 
B) increased functional residual capacity 
C)  decreased residual volume 
D)  decreased FEV1 
A) normal total lung capacity 
B) increased functional residual capacity 
C)  decreased residual volume 
D)  decreased FEV1

Question 9

When it relaxes, the diaphragm resumes an elevated, ____________________-shaped position.

Accepted Answer

The answer of When it relaxes, the diaphragm resumes an...

Question 10

The ____________________ effect refers to the increased affinity of Hb for CO2 and H+ after O2 unloading.

Accepted Answer

Question 11

____________________ shifts into the red blood cells to maintain electric neutrality when HCO3- moves out of the cells down its concentration gradient.

Accepted Answer

Question 12

____________________ refers to a ventilation rate that exceeds the metabolic needs of the body.

Accepted Answer

The answer of ____________________ refers to a ventilation rate that...

Question 13

What is the term for the entire sequence of events involved in the exchange of O2 and CO2 between the body cells and the environment?

Accepted Answer

A) internal respiration 
B) external respiration 
C)  ventilation 
D)  diffusion 
A) internal respiration 
B) external respiration 
C)  ventilation 
D)  diffusion

Question 14

Match the lung volume/capacity terms, labelled a. through m., with the descriptions. (Options may be used more than once or not at all.)
a.vital capacity
b.respiratory rate
c.FEVS1U1B11S1U1B0
d.tidal volume
e.residual volume
f.total lung capacity
g.functional residual capacity
h.alveolar ventilation
i.pulmonary ventilation
j.inspiratory reserve volume
k.expiratory reserve volume
l.inspiratory capacity
m.anatomic dead space volume
-maximum volume of air that can be inspired at the end of a normal expiration

Accepted Answer

The answer of Match the lung volume/capacity terms, labelled a....

Question 15

Match the effects on the rate of gas transfer, labelled a. through c., with the changes listed. (Options may be used more than once or not at all.)
a.This change would increase the rate of gas transfer.
b.This change would decrease the rate of gas transfer.
c.This change would have no effect on the rate of gas transfer.
-the effect of pulmonary fibrosis on O2 and CO2 exchange within the lungs

Accepted Answer

Question 16

Match the lung volume/capacity terms, labelled a. through m., with the descriptions. (Options may be used more than once or not at all.)
a.vital capacity
b.respiratory rate
c.FEVS1U1B11S1U1B0
d.tidal volume
e.residual volume
f.total lung capacity
g.functional residual capacity
h.alveolar ventilation
i.pulmonary ventilation
j.inspiratory reserve volume
k.expiratory reserve volume
l.inspiratory capacity
m.anatomic dead space volume
-inspiratory reserve volume + tidal volume + expiratory reserve volume

Accepted Answer

The answer of Match the lung volume/capacity terms, labelled a....

Question 17

If there is a deficient supply of pulmonary surfactant, the lungs become more compliant.

Accepted Answer

A) True 
 B)False

Question 18

In which of these ways is carbon dioxide NOT transported in the blood?

Accepted Answer

A) via bicarbonate ion 
B) via carbonic acid 
C)  directly dissolved 
D)  as a gas 
A) via bicarbonate ion 
B) via carbonic acid 
C)  directly dissolved 
D)  as a gas

Question 19

Newborn respiratory distress syndrome is caused by an excess of pulmonary surfactant.

Accepted Answer

A) True 
 B)False

Question 20

Which of these factors would reduce the amount of oxygen transferred across the respiratory membrane?

Accepted Answer

A) a higher partial pressure of oxygen in the atmosphere 
B) an abnormally high partial pressure of carbon dioxide in the atmosphere 
C)  a reduced partial pressure of carbon dioxide in the atmosphere 
D)  a low pulmonary capillary, partial pressure of oxygen 
A) a higher partial pressure of oxygen in the atmosphere 
B) an abnormally high partial pressure of carbon dioxide in the atmosphere 
C)  a reduced partial pressure of carbon dioxide in the atmosphere 
D)  a low pulmonary capillary, partial pressure of oxygen

If the vital capacity of a person is 4800 mL, while the TV is 500 mL and the ERV is 900 mL, the IRV is ____________________ mL.

The combination of Hb and CO₂ is known as carbamino haemoglobin.

At the end of inspiration and at the end of expiration, intrapleural pressure is always equal to atmospheric pressure.

A person has a tidal volume of 400 mL, a respiratory rate of 14 breaths per minute, and an anatomic dead space volume of 150 mL. What is his alveolar ventilation rate?

Systemic arterial P_O2 is greater than tissue P_O2.

Pulmonary surfactant decreases surface tension to a greater degree in large alveoli than in small alveoli.

Expiration is always a passive process.

Which one of these spirometry results would NOT be expected of a patient suffering from obstructive lung disease?

When it relaxes, the diaphragm resumes an elevated, ____________________-shaped position.

The ____________________ effect refers to the increased affinity of Hb for CO₂ and H⁺ after O₂ unloading.

____________________ shifts into the red blood cells to maintain electric neutrality when HCO₃^- moves out of the cells down its concentration gradient.

____________________ refers to a ventilation rate that exceeds the metabolic needs of the body.

What is the term for the entire sequence of events involved in the exchange of O₂ and CO₂ between the body cells and the environment?

If there is a deficient supply of pulmonary surfactant, the lungs become more compliant.

In which of these ways is carbon dioxide NOT transported in the blood?

Newborn respiratory distress syndrome is caused by an excess of pulmonary surfactant.

Which of these factors would reduce the amount of oxygen transferred across the respiratory membrane?

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

Filters

Exam 11: The Blood

If the vital capacity of a person is 4800 mL, while the TV is 500 mL and the ERV is 900 mL, the IRV is ____________________ mL.

The combination of Hb and CO2 is known as carbamino haemoglobin.

At the end of inspiration and at the end of expiration, intrapleural pressure is always equal to atmospheric pressure.

A person has a tidal volume of 400 mL, a respiratory rate of 14 breaths per minute, and an anatomic dead space volume of 150 mL. What is his alveolar ventilation rate?

Systemic arterial PO2 is greater than tissue PO2.

Pulmonary surfactant decreases surface tension to a greater degree in large alveoli than in small alveoli.

Expiration is always a passive process.

Which one of these spirometry results would NOT be expected of a patient suffering from obstructive lung disease?

When it relaxes, the diaphragm resumes an elevated, ____________________-shaped position.

The ____________________ effect refers to the increased affinity of Hb for CO2 and H+ after O2 unloading.

____________________ shifts into the red blood cells to maintain electric neutrality when HCO3- moves out of the cells down its concentration gradient.

____________________ refers to a ventilation rate that exceeds the metabolic needs of the body.

What is the term for the entire sequence of events involved in the exchange of O2 and CO2 between the body cells and the environment?

If there is a deficient supply of pulmonary surfactant, the lungs become more compliant.

In which of these ways is carbon dioxide NOT transported in the blood?

Newborn respiratory distress syndrome is caused by an excess of pulmonary surfactant.

Which of these factors would reduce the amount of oxygen transferred across the respiratory membrane?

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

Filters

The combination of Hb and CO₂ is known as carbamino haemoglobin.

Systemic arterial P_O2 is greater than tissue P_O2.

The ____________________ effect refers to the increased affinity of Hb for CO₂ and H⁺ after O₂ unloading.

____________________ shifts into the red blood cells to maintain electric neutrality when HCO₃^- moves out of the cells down its concentration gradient.

What is the term for the entire sequence of events involved in the exchange of O₂ and CO₂ between the body cells and the environment?