Question 1

Anatomic dead space greatly affects the efficiency of pulmonary ventilation.​

Accepted Answer

A) True 
 B)False

Question 2

__________ stimulation promotes bronchiolar smooth muscle contraction,which increases airway resistance by producing bronchoconstriction.​

Accepted Answer

The answer of __________ stimulation promotes bronchiolar smooth muscle contraction,which...

Question 3

Beyond the larynx,the trachea divides into two main branches,the right and left bronchi.​

Accepted Answer

A) True 
 B)False

Question 4

What is the atmospheric (barometric)pressure at sea level?​

Accepted Answer

A) ​660 mm Hg 
B) 700 mm Hg 
C) 720 mm Hg 
D) 760 mm Hg 
E) ​860 mm Hg 
A) ​660 mm Hg 
B) 700 mm Hg 
C) 720 mm Hg 
D) 760 mm Hg 
E) ​860 mm Hg

Question 5

At the end of inspiration,how much of the air in the alveoli is fresh air?​

Accepted Answer

A) ​about 3% 
B) about 5% 
C) about 8% 
D) about 10% 
E) ​about 13% 
A) ​about 3% 
B) about 5% 
C) about 8% 
D) about 10% 
E) ​about 13%

Question 6

As blood passes through the lungs,it picks up __________ and gives up CO₂ by diffusion down partial pressure gradients between blood and __________.​

Accepted Answer

The answer of As blood passes through the lungs,it picks...

Question 7

Figure 13-4
Use the figure above (Figure 13-4)to answer the corresponding questions.​
  
-Which number in the figure represents an alveolar macrophage?​

Accepted Answer

A) ​1 
B) 2 
C) 3 
D) 4 
E) ​5 
A) ​1 
B) 2 
C) 3 
D) 4 
E) ​5

Question 8

Oxygen is present in the blood in two forms: __________ dissolved and __________ bound to hemoglobin.​

Accepted Answer

physically

Question 9

An increase in alveolar O₂ concentration caused by a mismatched large airflow and small blood flow brings about pulmonary vasodilation.​

Accepted Answer

A) True 
 B)False

Question 10

What happens to angiotensin II in the blood as it passes through the lungs?​

Accepted Answer

A) ​It is converted to aldosterone. 
B) It is converted to renin. 
C) It is destroyed. 
D) It is activated. 
E) ​It is inactivated. 
A) ​It is converted to aldosterone. 
B) It is converted to renin. 
C) It is destroyed. 
D) It is activated. 
E) ​It is inactivated.

Question 11

Hemoglobin's affinity for CO is 2 times that of its affinity for O₂.​

Accepted Answer

A) True 
 B)False

Question 12

__________ is an inflammation of the pleural sac and leads to by painful breathing because each inflation and each deflation of the lungs cause a "friction rub."​

Accepted Answer

The answer of  __________ is an inflammation of the pleural...

Question 13

During strenuous exercise,what percentage of the body's energy is used for increased ventilation?

Accepted Answer

A) ​5% 
B) 8% 
C) 10% 
D) 15% 
E) ​20% 
A) ​5% 
B) 8% 
C) 10% 
D) 15% 
E) ​20%

Question 14

Because the amount of atmospheric air that reaches the alveoli and is actually available for exchange with blood is more important than the total amount breathed in and out,alveolar ventilation is more important than pulmonary ventilation.​

Accepted Answer

A) True 
 B)False

Question 15

What is the primary respiratory control center called?​

Accepted Answer

A) ​brain stem control center 
B) medullary respiratory center 
C) pulmonary control center 
D) alveolar modulator 
E) ​respiratory modulator 
A) ​brain stem control center 
B) medullary respiratory center 
C) pulmonary control center 
D) alveolar modulator 
E) ​respiratory modulator

Question 16

Figure 13-4
Use the figure above (Figure 13-4)to answer the corresponding questions.​
  
-Which number in the figure represents a type I alveolar cell?​

Accepted Answer

A) ​1 
B) 2 
C) 3 
D) 4 
E) ​5 
A) ​1 
B) 2 
C) 3 
D) 4 
E) ​5

Question 17

The most important factor determining the percentage of hemoglobin saturation is the:​

Accepted Answer

A) ​systemic blood pressure 
B) diastolic blood pressure 
C) pH of the blood 
D) PCO₂ of the blood 
E) ​PO₂ of the blood 
A) ​systemic blood pressure 
B) diastolic blood pressure 
C) pH of the blood 
D) PCO₂ of the blood 
E) ​PO₂ of the blood

Question 18

Where is cellular metabolism carried out within cells?​

Accepted Answer

A) ​endoplasmic reticulum 
B) mitochondria 
C) nucleus 
D) ribosomes 
E) ​plasma membrane 
A) ​endoplasmic reticulum 
B) mitochondria 
C) nucleus 
D) ribosomes 
E) ​plasma membrane

Question 19

What is the average respiratory rate under resting conditions for most people?​

Accepted Answer

A) ​7 breaths per minute 
B) 9 breaths per minute 
C) 12 breaths per minute 
D) 16 breaths per minute 
E) ​20 breaths per minute 
A) ​7 breaths per minute 
B) 9 breaths per minute 
C) 12 breaths per minute 
D) 16 breaths per minute 
E) ​20 breaths per minute

Question 20

Emphysema is a long-term inflammatory condition of the lower respiratory airways,generally triggered by frequent exposure to irritating cigarette smoke,polluted air,or allergens.

Accepted Answer

A) True 
 B)False

Anatomic dead space greatly affects the efficiency of pulmonary ventilation.

__________ stimulation promotes bronchiolar smooth muscle contraction,which increases airway resistance by producing bronchoconstriction.

Beyond the larynx,the trachea divides into two main branches,the right and left bronchi.

What is the atmospheric (barometric)pressure at sea level?

At the end of inspiration,how much of the air in the alveoli is fresh air?

As blood passes through the lungs,it picks up and gives up CO₂ by diffusion down partial pressure gradients between blood and .

Figure 13-4 Use the figure above (Figure 13-4)to answer the corresponding questions. -Which number in the figure represents an alveolar macrophage?

Oxygen is present in the blood in two forms: dissolved and bound to hemoglobin.

An increase in alveolar O₂ concentration caused by a mismatched large airflow and small blood flow brings about pulmonary vasodilation.

What happens to angiotensin II in the blood as it passes through the lungs?

Hemoglobin's affinity for CO is 2 times that of its affinity for O₂.

__________ is an inflammation of the pleural sac and leads to by painful breathing because each inflation and each deflation of the lungs cause a "friction rub."

During strenuous exercise,what percentage of the body's energy is used for increased ventilation?

Because the amount of atmospheric air that reaches the alveoli and is actually available for exchange with blood is more important than the total amount breathed in and out,alveolar ventilation is more important than pulmonary ventilation.

What is the primary respiratory control center called?

Figure 13-4 Use the figure above (Figure 13-4)to answer the corresponding questions. -Which number in the figure represents a type I alveolar cell?

The most important factor determining the percentage of hemoglobin saturation is the:

Where is cellular metabolism carried out within cells?

What is the average respiratory rate under resting conditions for most people?

Emphysema is a long-term inflammatory condition of the lower respiratory airways,generally triggered by frequent exposure to irritating cigarette smoke,polluted air,or allergens.

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 Systembrad

Filters

Exam 13: The Respiratory System

Anatomic dead space greatly affects the efficiency of pulmonary ventilation.​

__________ stimulation promotes bronchiolar smooth muscle contraction,which increases airway resistance by producing bronchoconstriction.​

Beyond the larynx,the trachea divides into two main branches,the right and left bronchi.​

What is the atmospheric (barometric)pressure at sea level?​

At the end of inspiration,how much of the air in the alveoli is fresh air?​

As blood passes through the lungs,it picks up __________ and gives up CO₂ by diffusion down partial pressure gradients between blood and __________.​

Figure 13-4 Use the figure above (Figure 13-4)to answer the corresponding questions.​ -Which number in the figure represents an alveolar macrophage?​

Oxygen is present in the blood in two forms: __________ dissolved and __________ bound to hemoglobin.​

An increase in alveolar O₂ concentration caused by a mismatched large airflow and small blood flow brings about pulmonary vasodilation.​

What happens to angiotensin II in the blood as it passes through the lungs?​

Hemoglobin's affinity for CO is 2 times that of its affinity for O₂.​

__________ is an inflammation of the pleural sac and leads to by painful breathing because each inflation and each deflation of the lungs cause a "friction rub."​

During strenuous exercise,what percentage of the body's energy is used for increased ventilation?

Because the amount of atmospheric air that reaches the alveoli and is actually available for exchange with blood is more important than the total amount breathed in and out,alveolar ventilation is more important than pulmonary ventilation.​

What is the primary respiratory control center called?​

Figure 13-4 Use the figure above (Figure 13-4)to answer the corresponding questions.​ -Which number in the figure represents a type I alveolar cell?​

The most important factor determining the percentage of hemoglobin saturation is the:​

Where is cellular metabolism carried out within cells?​

What is the average respiratory rate under resting conditions for most people?​

Emphysema is a long-term inflammatory condition of the lower respiratory airways,generally triggered by frequent exposure to irritating cigarette smoke,polluted air,or allergens.

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 Systembrad

Filters

Anatomic dead space greatly affects the efficiency of pulmonary ventilation.

__________ stimulation promotes bronchiolar smooth muscle contraction,which increases airway resistance by producing bronchoconstriction.

Beyond the larynx,the trachea divides into two main branches,the right and left bronchi.

What is the atmospheric (barometric)pressure at sea level?

At the end of inspiration,how much of the air in the alveoli is fresh air?

As blood passes through the lungs,it picks up and gives up CO₂ by diffusion down partial pressure gradients between blood and .

Figure 13-4 Use the figure above (Figure 13-4)to answer the corresponding questions. -Which number in the figure represents an alveolar macrophage?

Oxygen is present in the blood in two forms: dissolved and bound to hemoglobin.

An increase in alveolar O₂ concentration caused by a mismatched large airflow and small blood flow brings about pulmonary vasodilation.

What happens to angiotensin II in the blood as it passes through the lungs?

Hemoglobin's affinity for CO is 2 times that of its affinity for O₂.

__________ is an inflammation of the pleural sac and leads to by painful breathing because each inflation and each deflation of the lungs cause a "friction rub."

Because the amount of atmospheric air that reaches the alveoli and is actually available for exchange with blood is more important than the total amount breathed in and out,alveolar ventilation is more important than pulmonary ventilation.

What is the primary respiratory control center called?

Figure 13-4 Use the figure above (Figure 13-4)to answer the corresponding questions. -Which number in the figure represents a type I alveolar cell?

The most important factor determining the percentage of hemoglobin saturation is the:

Where is cellular metabolism carried out within cells?

What is the average respiratory rate under resting conditions for most people?