Question 1

A 10-percent increase in the level of carbon dioxide in the blood will

Accepted Answer

A) decrease the rate of breathing. 
B) increase the rate of breathing. 
C) decrease pulmonary ventilation. 
D) decrease the alveolar ventilation rate. 
E) decrease the vital capacity. 
A) decrease the rate of breathing. 
B) increase the rate of breathing. 
C) decrease pulmonary ventilation. 
D) decrease the alveolar ventilation rate. 
E) decrease the vital capacity.

Question 2

The paired cartilages that articulate with the superior border of the cricoid cartilage are the ________ cartilages.

Accepted Answer

A) cricothyroid 
B) innominate 
C) cuneiform 
D) corniculate 
E) arytenoid 
A) cricothyroid 
B) innominate 
C) cuneiform 
D) corniculate 
E) arytenoid

Question 3

The partial pressure of oxygen in the interstitial space of peripheral tissues is approximately

Accepted Answer

A) 40 mm Hg. 
B) 45 mm Hg. 
C) 50 mm Hg. 
D) 70 mm Hg. 
E) 100 mm Hg. 
A) 40 mm Hg. 
B) 45 mm Hg. 
C) 50 mm Hg. 
D) 70 mm Hg. 
E) 100 mm Hg.

Question 4

In quiet breathing,

Accepted Answer

A) inspiration and expiration involve muscular contractions. 
B) inspiration is passive and expiration involves muscular contractions. 
C) inspiration involves muscular contractions and expiration is passive. 
D) inspiration and expiration are both passive. 
E) inspiration is deep and forceful. 
A) inspiration and expiration involve muscular contractions. 
B) inspiration is passive and expiration involves muscular contractions. 
C) inspiration involves muscular contractions and expiration is passive. 
D) inspiration and expiration are both passive. 
E) inspiration is deep and forceful.

Question 5

Figure 23-2 Mechanics of Ventilation
Use Figure 23-2 to answer the following question:
-What pressure will be present in the space labeled "4"?

Accepted Answer

A) alveolar pressure 
B) interpleural pressure 
C) subalveolar pressure 
D) subatmospheric pressure 
E) atmospheric pressure 
A) alveolar pressure 
B) interpleural pressure 
C) subalveolar pressure 
D) subatmospheric pressure 
E) atmospheric pressure

Question 6

Each of the following factors affects the rate of external respiration,except the

Accepted Answer

A) PO₂ of the alveoli. 
B) PCO₂ of the blood. 
C) thickness of the respiratory membrane. 
D) diameter of an alveolus. 
E) solubility of oxygen in plasma. 
A) PO₂ of the alveoli. 
B) PCO₂ of the blood. 
C) thickness of the respiratory membrane. 
D) diameter of an alveolus. 
E) solubility of oxygen in plasma.

Question 7

Figure 23-1 The Upper Airways
Use Figure 23-1 to answer the following question:
-Which structure vibrates to produce sound?

Accepted Answer

A) 5 
B) 8 
C) 10 
D) 11 
E) 19 
A) 5 
B) 8 
C) 10 
D) 11 
E) 19

Question 8

Asthma is

Accepted Answer

A) a collapsed lung. 
B) an acute condition resulting from unusually sensitive,irritated conducting airways. 
C) an obstructive tumor. 
D) characterized by fluid buildup in the alveoli. 
E) caused by Mycobacterium tuberculosis. 
A) a collapsed lung. 
B) an acute condition resulting from unusually sensitive,irritated conducting airways. 
C) an obstructive tumor. 
D) characterized by fluid buildup in the alveoli. 
E) caused by Mycobacterium tuberculosis.

Question 9

Air moves out of the lungs when the pressure inside the lungs is

Accepted Answer

A) greater than intraalveolar pressure. 
B) less than the pressure in the atmosphere. 
C) less than intrapulmonic pressure. 
D) equal to the pressure in the atmosphere. 
E) greater than the pressure in the atmosphere. 
A) greater than intraalveolar pressure. 
B) less than the pressure in the atmosphere. 
C) less than intrapulmonic pressure. 
D) equal to the pressure in the atmosphere. 
E) greater than the pressure in the atmosphere.

Question 10

The most superior portion of the lung is termed the

Accepted Answer

A) base. 
B) apex. 
C) cardiac notch. 
D) hilus. 
E) epipleurium. 
A) base. 
B) apex. 
C) cardiac notch. 
D) hilus. 
E) epipleurium.

Question 11

Boyle's Law of Gases states that

Accepted Answer

A) the pressure and volume of a gas are equal. 
B) as the temperature goes up,the pressure goes up. 
C) the total gas pressure is equal to the sum of the partial pressures. 
D) the concentration of dissolved gas is proportional to its partial pressure. 
E) if the volume goes up,the pressure goes down. 
A) the pressure and volume of a gas are equal. 
B) as the temperature goes up,the pressure goes up. 
C) the total gas pressure is equal to the sum of the partial pressures. 
D) the concentration of dissolved gas is proportional to its partial pressure. 
E) if the volume goes up,the pressure goes down.

Question 12

The placement of a tube directly into the trachea to bypass the larynx is termed a(n)

Accepted Answer

A) intubation. 
B) tracheostomy. 
C) tunnelization. 
D) trachectomy. 
E) catheterization. 
A) intubation. 
B) tracheostomy. 
C) tunnelization. 
D) trachectomy. 
E) catheterization.

Question 13

Boyle's law states that the pressure of a gas is:

Accepted Answer

A) inversely proportional to volume of its container. 
B) always higher in the atmosphere than in the lungs. 
C) directly proportional to temperature. 
D) inversely proportional to temperature. 
E) directly proportional to the volume of its container. 
A) inversely proportional to volume of its container. 
B) always higher in the atmosphere than in the lungs. 
C) directly proportional to temperature. 
D) inversely proportional to temperature. 
E) directly proportional to the volume of its container.

Question 14

Most of the oxygen transported by the blood is

Accepted Answer

A) dissolved in plasma. 
B) bound to hemoglobin. 
C) in ionic form as solute in the plasma. 
D) bound to the same protein as carbon dioxide. 
E) carried by white blood cells. 
A) dissolved in plasma. 
B) bound to hemoglobin. 
C) in ionic form as solute in the plasma. 
D) bound to the same protein as carbon dioxide. 
E) carried by white blood cells.

Question 15

The obstructive lung disease in which elastic fibers are lost,leading to collapse of alveoli and bronchioles,is called

Accepted Answer

A) asthma. 
B) bronchitis. 
C) emphysema. 
D) tuberculosis. 
E) pneumonia. 
A) asthma. 
B) bronchitis. 
C) emphysema. 
D) tuberculosis. 
E) pneumonia.

Question 16

When the inspiratory muscles relax,the rib cage returns to its original position as a result of ________.

Accepted Answer

The answer of When the inspiratory muscles relax,the rib cage...

Question 17

The term ________ describes the result from an injury that permits air to leak into the intrapleural space.

Accepted Answer

A) pleurisy 
B) pneumonia 
C) pneumothorax 
D) pulmonary edema 
E) emphysema 
A) pleurisy 
B) pneumonia 
C) pneumothorax 
D) pulmonary edema 
E) emphysema

Question 18

What occurs if intrapulmonic pressure is 763 mm Hg?

Accepted Answer

A) hyperventilation 
B) exhalation 
C) pause in breathing 
D) apnea 
E) inhalation 
A) hyperventilation 
B) exhalation 
C) pause in breathing 
D) apnea 
E) inhalation

Question 19

Internal respiration refers to exchange of oxygen and carbon dioxide between the blood and the ________.

Accepted Answer

The answer of Internal respiration refers to exchange of oxygen...

Question 20

When does oxyhemoglobin form during respiration?

Accepted Answer

A) during external respiration 
B) immediately after carbon dioxide enters the blood 
C) when the chloride shift occurs 
D) during pulmonary ventilation 
E) during internal respiration 
A) during external respiration 
B) immediately after carbon dioxide enters the blood 
C) when the chloride shift occurs 
D) during pulmonary ventilation 
E) during internal respiration

Exam 23: The Respiratory System

A 10-percent increase in the level of carbon dioxide in the blood will

The paired cartilages that articulate with the superior border of the cricoid cartilage are the ________ cartilages.

The partial pressure of oxygen in the interstitial space of peripheral tissues is approximately

In quiet breathing,

Figure 23-2 Mechanics of Ventilation Use Figure 23-2 to answer the following question: -What pressure will be present in the space labeled "4"?

Each of the following factors affects the rate of external respiration,except the

Figure 23-1 The Upper Airways Use Figure 23-1 to answer the following question: -Which structure vibrates to produce sound?

Asthma is

Air moves out of the lungs when the pressure inside the lungs is

The most superior portion of the lung is termed the

Boyle's Law of Gases states that

The placement of a tube directly into the trachea to bypass the larynx is termed a(n)

Boyle's law states that the pressure of a gas is:

Most of the oxygen transported by the blood is

The obstructive lung disease in which elastic fibers are lost,leading to collapse of alveoli and bronchioles,is called

When the inspiratory muscles relax,the rib cage returns to its original position as a result of ________.

The term ________ describes the result from an injury that permits air to leak into the intrapleural space.

What occurs if intrapulmonic pressure is 763 mm Hg?

Internal respiration refers to exchange of oxygen and carbon dioxide between the blood and the ________.

When does oxyhemoglobin form during respiration?

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Neural Integration I: Sensory Pathways and the Somatic Nervous System

Neural Integration Ii: the Autonomic Nervous System and

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

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