Question 1

Intrapleural pressure normally does not equilibrate with the intra-alveolar pressure.

Accepted Answer

A) True 
 B)False

Question 2

Inspiration is always an active process.

Accepted Answer

A) True 
 B)False

Question 3

The respiratory system provides a route for water and heat elimination.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is the last step that produces an inspiration?

Accepted Answer

A) The atmospheric pressure becomes lower than the intrapleural pressure. 
B) The diaphragm contracts. 
C) The intercostal muscles contract. 
D) The intra-alveolar pressure becomes lower than the atmospheric pressure. 
E) The intrapleural pressure becomes positive. 
A) The atmospheric pressure becomes lower than the intrapleural pressure. 
B) The diaphragm contracts. 
C) The intercostal muscles contract. 
D) The intra-alveolar pressure becomes lower than the atmospheric pressure. 
E) The intrapleural pressure becomes positive.

Question 5

The partial pressure of _______ in the arteries is normally the most important input in regulating the magnitude of ventilation under resting conditions.

Accepted Answer

The answer of The partial pressure of _______ in the...

Question 6

The partial pressure of nitrogen in the atmosphere is greater than the partial pressure of oxygen in the atmosphere.

Accepted Answer

A) True 
 B)False

Question 7

Indicate which lung volume or capacity is being described in the column below by filling in the appropriate letter in the blank.
a.vital capacity
b.respiratory rate
c.FEV1
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
-Respiratory rate x (tidal volume - dead space volume)

Accepted Answer

The answer of Indicate which lung volume or capacity is...

Question 8

The primary factor believed to be responsible for stimulating the profound and abrupt increase in ventilation during exercise is increased arteria $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ l .

Accepted Answer

A) True 
 B)False

Question 9

____________________ is a respiratory disease characterized by collapse of the smaller airways and a breakdown of alveolar walls.

Accepted Answer

The answer of ____________________ is a respiratory disease characterized by...

Question 10

Hemoglobin

Accepted Answer

A) plays a critical role in determining the total amount of O₂ that is exchanged in the lungs because it removes O₂ and keeps the $\mathrm { P } _ { \mathrm { O } _ { 2 } }$ low so that net diffusion continues 
B) combines only with O₂ 
C) is found in erythrocytes 
D) does both a and c 
E) does none of the above 
A) plays a critical role in determining the total amount of O₂ that is exchanged in the lungs because it removes O₂ and keeps the $\mathrm { P } _ { \mathrm { O } _ { 2 } }$ low so that net diffusion continues 
B) combines only with O₂ 
C) is found in erythrocytes 
D) does both a and c 
E) does none of the above

Question 11

Which of the following would not be expected for 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 
E) None of the above would be affected 
A) normal total lung capacity 
B) increased functional residual capacity 
C) decreased residual volume 
D) decreased FEV1 
E) None of the above would be affected

Question 12

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

Accepted Answer

The answer of The ____________________ effect refers to the increased...

Question 13

Select the incorrect statement about hemoglobin.

Accepted Answer

A) It combines with oxygen at the lungs. 
B) It contains iron. 
C) It forms an irreversible association with oxygen. 
D) It is located inside the red blood cell. 
E) Its globin portion is a polypeptide. 
A) It combines with oxygen at the lungs. 
B) It contains iron. 
C) It forms an irreversible association with oxygen. 
D) It is located inside the red blood cell. 
E) Its globin portion is a polypeptide.

Question 14

The peripheral chemoreceptors are not activated during carbon monoxide poisoning despite the fact that the total O₂ content in the blood can become lethally low.

Accepted Answer

A) True 
 B)False

Question 15

Describe how temperature, blood pH, BPG, and $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ affect hemoglobin's percent saturation for O₂.Include the Bohr effect in your answer.

Accepted Answer

As temperature, BPG, and @#LAT-DLM& increase aroun

Question 16

The brain region that provides output to the respiratory muscles is located in the

Accepted Answer

A) pons 
B) medulla 
C) cerebral cortex 
D) cerebellum 
E) hypothalamus 
A) pons 
B) medulla 
C) cerebral cortex 
D) cerebellum 
E) hypothalamus

Question 17

A person who has a tidal volume of 400 ml, a respiratory rate of 14, and an anatomic dead space volume of 150 ml will have an alveolar ventilation rate of

Accepted Answer

A) 3,500 ml/minute 
B) 3,920 ml/minute 
C) 4,260 ml/minute 
D) 5,600 ml/minute 
E) 6,240 ml/minute 
A) 3,500 ml/minute 
B) 3,920 ml/minute 
C) 4,260 ml/minute 
D) 5,600 ml/minute 
E) 6,240 ml/minute

Question 18

A molecule of nitrogen exerts more pressure than a molecule of oxygen because nitrogen is a larger molecule.

Accepted Answer

A) True 
 B)False

Question 19

The inspiratory muscles include the

Accepted Answer

A) diaphragm and internal intercostal muscles 
B) diaphragm and external intercostal muscles 
C) diaphragm and abdominal muscles 
D) internal and external intercostal muscles 
E) intercostal and abdominal muscles 
A) diaphragm and internal intercostal muscles 
B) diaphragm and external intercostal muscles 
C) diaphragm and abdominal muscles 
D) internal and external intercostal muscles 
E) intercostal and abdominal muscles

Question 20

Which of the following is not a function of the respiratory system?

Accepted Answer

A) transports O₂ to the tissues 
B) contributes to maintenance of normal acid-base balance 
C) provides a route for heat and water elimination 
D) enables speech, singing, and other vocalization 
E) removes, modifies, activates, or inactivates various materials passing through the pulmonary circulation 
A) transports O₂ to the tissues 
B) contributes to maintenance of normal acid-base balance 
C) provides a route for heat and water elimination 
D) enables speech, singing, and other vocalization 
E) removes, modifies, activates, or inactivates various materials passing through the pulmonary circulation

Intrapleural pressure normally does not equilibrate with the intra-alveolar pressure.

Inspiration is always an active process.

The respiratory system provides a route for water and heat elimination.

Which of the following is the last step that produces an inspiration?

The partial pressure of _______ in the arteries is normally the most important input in regulating the magnitude of ventilation under resting conditions.

The partial pressure of nitrogen in the atmosphere is greater than the partial pressure of oxygen in the atmosphere.

The primary factor believed to be responsible for stimulating the profound and abrupt increase in ventilation during exercise is increased arteria $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ l .

____________________ is a respiratory disease characterized by collapse of the smaller airways and a breakdown of alveolar walls.

Hemoglobin

Which of the following would not be expected for a patient suffering from obstructive lung disease?

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

Select the incorrect statement about hemoglobin.

The peripheral chemoreceptors are not activated during carbon monoxide poisoning despite the fact that the total O₂ content in the blood can become lethally low.

Describe how temperature, blood pH, BPG, and $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ affect hemoglobin's percent saturation for O₂.Include the Bohr effect in your answer.

The brain region that provides output to the respiratory muscles is located in the

A person who has a tidal volume of 400 ml, a respiratory rate of 14, and an anatomic dead space volume of 150 ml will have an alveolar ventilation rate of

A molecule of nitrogen exerts more pressure than a molecule of oxygen because nitrogen is a larger molecule.

The inspiratory muscles include the

Which of the following is not a function of the respiratory system?

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

The Blood

Body Defenses

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology: the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive System

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Exam 13: The Respiratory System

Intrapleural pressure normally does not equilibrate with the intra-alveolar pressure.

Inspiration is always an active process.

The respiratory system provides a route for water and heat elimination.

Which of the following is the last step that produces an inspiration?

The partial pressure of _______ in the arteries is normally the most important input in regulating the magnitude of ventilation under resting conditions.

The partial pressure of nitrogen in the atmosphere is greater than the partial pressure of oxygen in the atmosphere.

The primary factor believed to be responsible for stimulating the profound and abrupt increase in ventilation during exercise is increased arteria PCO2\mathrm { P } _ { \mathrm { CO } _ { 2 } }PCO2​​ l .

____________________ is a respiratory disease characterized by collapse of the smaller airways and a breakdown of alveolar walls.

Hemoglobin

Which of the following would not be expected for a patient suffering from obstructive lung disease?

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

Select the incorrect statement about hemoglobin.

The peripheral chemoreceptors are not activated during carbon monoxide poisoning despite the fact that the total O₂ content in the blood can become lethally low.

Describe how temperature, blood pH, BPG, and PCO2\mathrm { P } _ { \mathrm { CO } _ { 2 } }PCO2​​ affect hemoglobin's percent saturation for O₂.Include the Bohr effect in your answer.

The brain region that provides output to the respiratory muscles is located in the

A person who has a tidal volume of 400 ml, a respiratory rate of 14, and an anatomic dead space volume of 150 ml will have an alveolar ventilation rate of

A molecule of nitrogen exerts more pressure than a molecule of oxygen because nitrogen is a larger molecule.

The inspiratory muscles include the

Which of the following is not a function of the respiratory system?

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

The Blood

Body Defenses

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology: the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive System

Filters

The primary factor believed to be responsible for stimulating the profound and abrupt increase in ventilation during exercise is increased arteria $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ l .

Describe how temperature, blood pH, BPG, and $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ affect hemoglobin's percent saturation for O₂.Include the Bohr effect in your answer.