Question 1

At a constant temperature, the pressure that a gas exerts depends on the volume that it occupies.

Accepted Answer

A) True 
 B)False

Question 2

Gases are transported during external respiration by active transport mechanisms.

Accepted Answer

A) True 
 B)False

Question 3

The 500 ml of air that is inspired is the same 500 ml of air that enters the alveoli during a single breath.

Accepted Answer

A) True 
 B)False

Question 4

The combination of Hb and CO₂ is known as carbaminohemoglobin.

Accepted Answer

A) True 
 B)False

Question 5

Hypercapnia

Accepted Answer

A) refers to excess CO₂ in the arterial blood 
B) occurs when CO₂ is blown off to the atmosphere at a rate faster than it is being produced by the tissues 
C) may be caused by hypoventilation 
D) would likely result in a higher percent saturation of oxygen on Hb 
E) would tend to raise the blood's pH 
A) refers to excess CO₂ in the arterial blood 
B) occurs when CO₂ is blown off to the atmosphere at a rate faster than it is being produced by the tissues 
C) may be caused by hypoventilation 
D) would likely result in a higher percent saturation of oxygen on Hb 
E) would tend to raise the blood's pH

Question 6

Which activity below is not a respiratory event?

Accepted Answer

A) Carbon dioxide is exchanged in the alveoli. 
B) Cells produce nitrogen by their metabolism. 
C) Gas exchange between tissues and the blood. 
D) Oxygen is exchanged in the alveoli. 
E) Pulmonary ventilation. 
A) Carbon dioxide is exchanged in the alveoli. 
B) Cells produce nitrogen by their metabolism. 
C) Gas exchange between tissues and the blood. 
D) Oxygen is exchanged in the alveoli. 
E) Pulmonary ventilation.

Question 7

Use this figure to answer the corresponding questions.
-Number ____ identifies the ____________________, which is the minimum amount of air left in the lungs after maximum exhalation.

Accepted Answer

The answer of   
Use this figure to answer...

Question 8

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

Accepted Answer

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

Question 9

At high altitudes, the alveolar

Accepted Answer

A)  $\mathrm { P } _ { \mathrm { O } _ { 2 } }$ is higher than normal 
B)  $\mathrm { P } _ { \mathrm { O } _ { 2 } }$ is lower than normal 
C)  $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ is higher than normal 
D)  $\mathrm { P } _ { \mathrm { O } _ { 2 } }$ and $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ are higher than normal 
E)  $\mathrm { P } _ { \mathrm { O } _ { 2 } }$ is lower than normal and $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ is higher than normal 
A)  $\mathrm { P } _ { \mathrm { O } _ { 2 } }$ is higher than normal 
B)  $\mathrm { P } _ { \mathrm { O } _ { 2 } }$ is lower than normal 
C)  $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ is higher than normal 
D)  $\mathrm { P } _ { \mathrm { O } _ { 2 } }$ and $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ are higher than normal 
E)  $\mathrm { P } _ { \mathrm { O } _ { 2 } }$ is lower than normal and $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ is higher than normal

Question 10

In addition to gas exchange, the respiratory system plays a key role in

Accepted Answer

A) enhancing venous return 
B) water and temperature balance 
C) body defense 
D) enhancing venous return and body defense 
E) all of the above 
A) enhancing venous return 
B) water and temperature balance 
C) body defense 
D) enhancing venous return and body defense 
E) all of the above

Question 11

Which of the following decreases Hb's affinity for oxygen?

Accepted Answer

A) increased blood pH 
B) low partial pressure for CO₂ 
C) high BPG 
D) high partial pressure for O₂ 
E) decreased concentration of H+ 
A) increased blood pH 
B) low partial pressure for CO₂ 
C) high BPG 
D) high partial pressure for O₂ 
E) decreased concentration of H+

Question 12

Ventilation is increased the most by

Accepted Answer

A) increases in arterial $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ 
B) decreases in arterial $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ 
C) increases in arterial $\mathrm { P } _ { \mathrm { O } _ { 2 } }$ 
D) decreases in arterial $\mathrm { P } _ { \mathrm { O } _ { 2 } }$ 
E) none of the above 
A) increases in arterial $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ 
B) decreases in arterial $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ 
C) increases in arterial $\mathrm { P } _ { \mathrm { O } _ { 2 } }$ 
D) decreases in arterial $\mathrm { P } _ { \mathrm { O } _ { 2 } }$ 
E) none of the above

Question 13

During external respiration, the $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ is greater in the blood of the pulmonary capillaries than in the alveoli.

Accepted Answer

A) True 
 B)False

Question 14

If the pulmonary ventilation rate is 3200 ml/minute with a tidal volume of 400, the respiratory rate is ____ breaths per minute.

Accepted Answer

A) 6 
B) 8 
C) 14 
D) 16 
E) 20 
A) 6 
B) 8 
C) 14 
D) 16 
E) 20

Question 15

Which of the following statements concerning pulmonary surfactant is incorrect?

Accepted Answer

A) It is secreted by Type II alveolar cells. 
B) It is deficient in newborn respiratory distress syndrome. 
C) It promotes elastic recoil of the lungs. 
D) It reduces the cohesive force between water molecules. 
E) It reduces surface tension. 
A) It is secreted by Type II alveolar cells. 
B) It is deficient in newborn respiratory distress syndrome. 
C) It promotes elastic recoil of the lungs. 
D) It reduces the cohesive force between water molecules. 
E) It reduces surface tension.

Question 16

Which factor would result in bronchoconstriction?

Accepted Answer

A) sympathetic stimulation 
B) parasympathetic stimulation 
C) epinephrine secretion 
D) increased carbon dioxide concentration 
E) None of the above 
A) sympathetic stimulation 
B) parasympathetic stimulation 
C) epinephrine secretion 
D) increased carbon dioxide concentration 
E) None of the above

Question 17

The pneumotaxic and apneustic centers are located in the cerebellum.

Accepted Answer

A) True 
 B)False

Question 18

Which statement about peripheral chemoreceptors is incorrect?

Accepted Answer

A) They are stimulated whenever the arterial $\mathrm { P } _ { \mathrm { O } _ { 2 } }$ falls below normal. 
B) They are stimulated by a rise in arterial $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ . 
C) They are stimulated by an increase in arterial H+. 
D) They are located in the carotid arteries and in the aortic arch. 
E) When stimulated, they reflexively increase ventilation. 
A) They are stimulated whenever the arterial $\mathrm { P } _ { \mathrm { O } _ { 2 } }$ falls below normal. 
B) They are stimulated by a rise in arterial $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ . 
C) They are stimulated by an increase in arterial H+. 
D) They are located in the carotid arteries and in the aortic arch. 
E) When stimulated, they reflexively increase ventilation.

Question 19

Which of the following does not bring about increased airway resistance?

Accepted Answer

A) asthma 
B) epinephrine 
C) slow-reactive substance of anaphylaxis 
D) emphysema 
E) excess mucus production 
A) asthma 
B) epinephrine 
C) slow-reactive substance of anaphylaxis 
D) emphysema 
E) excess mucus production

Question 20

Describe the mechanics of ventilation as it relates to Boyles' Law.Include the following in your answer: intra-alveolar pressure, intrapleural pressure, atmospheric pressure, inhalation, and exhalation.

Accepted Answer

Boyles' Law states that the pressure wit

At a constant temperature, the pressure that a gas exerts depends on the volume that it occupies.

Gases are transported during external respiration by active transport mechanisms.

The 500 ml of air that is inspired is the same 500 ml of air that enters the alveoli during a single breath.

The combination of Hb and CO₂ is known as carbaminohemoglobin.

Hypercapnia

Which activity below is not a respiratory event?

Use this figure to answer the corresponding questions. -Number identifies the ________________, which is the minimum amount of air left in the lungs after maximum exhalation.

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

At high altitudes, the alveolar

In addition to gas exchange, the respiratory system plays a key role in

Which of the following decreases Hb's affinity for oxygen?

Ventilation is increased the most by

During external respiration, the $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ is greater in the blood of the pulmonary capillaries than in the alveoli.

If the pulmonary ventilation rate is 3200 ml/minute with a tidal volume of 400, the respiratory rate is ____ breaths per minute.

Which of the following statements concerning pulmonary surfactant is incorrect?

Which factor would result in bronchoconstriction?

The pneumotaxic and apneustic centers are located in the cerebellum.

Which statement about peripheral chemoreceptors is incorrect?

Which of the following does not bring about increased airway resistance?

Describe the mechanics of ventilation as it relates to Boyles' Law.Include the following in your answer: intra-alveolar pressure, intrapleural pressure, atmospheric pressure, inhalation, and exhalation.

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

Exam 13: The Respiratory System

At a constant temperature, the pressure that a gas exerts depends on the volume that it occupies.

Gases are transported during external respiration by active transport mechanisms.

The 500 ml of air that is inspired is the same 500 ml of air that enters the alveoli during a single breath.

The combination of Hb and CO₂ is known as carbaminohemoglobin.

Hypercapnia

Which activity below is not a respiratory event?

Use this figure to answer the corresponding questions. -Number ____ identifies the ____________________, which is the minimum amount of air left in the lungs after maximum exhalation.

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

At high altitudes, the alveolar

In addition to gas exchange, the respiratory system plays a key role in

Which of the following decreases Hb's affinity for oxygen?

Ventilation is increased the most by

During external respiration, the PCO2\mathrm { P } _ { \mathrm { CO } _ { 2 } }PCO2​​ is greater in the blood of the pulmonary capillaries than in the alveoli.

If the pulmonary ventilation rate is 3200 ml/minute with a tidal volume of 400, the respiratory rate is ____ breaths per minute.

Which of the following statements concerning pulmonary surfactant is incorrect?

Which factor would result in bronchoconstriction?

The pneumotaxic and apneustic centers are located in the cerebellum.

Which statement about peripheral chemoreceptors is incorrect?

Which of the following does not bring about increased airway resistance?

Describe the mechanics of ventilation as it relates to Boyles' Law.Include the following in your answer: intra-alveolar pressure, intrapleural pressure, atmospheric pressure, inhalation, and exhalation.

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

Use this figure to answer the corresponding questions. -Number identifies the ________________, which is the minimum amount of air left in the lungs after maximum exhalation.

During external respiration, the $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ is greater in the blood of the pulmonary capillaries than in the alveoli.