Question 1

According to who's law,is the pressure in a small alveolus greater than a large alveolus as long as the surface tension is equal?

Accepted Answer

A) Boyle's law 
B) Dalton's law 
C) Laplace's law 
D) Henry's law 
A) Boyle's law 
B) Dalton's law 
C) Laplace's law 
D) Henry's law

Question 2

Pleural membranes envelop organs within the thoracic cavity.

Accepted Answer

A) True 
 B)False

Question 3

When alveolar ventilation increases,the perfusion of pulmonary arterioles will

Accepted Answer

A) increase. 
B) decrease. 
C) remain unchanged. 
A) increase. 
B) decrease. 
C) remain unchanged.

Question 4

Carbon dioxide _____ oxygen unloading and oxygen unloading _______ carbon dioxide transport.

Accepted Answer

A) increases,improves 
B) increases,worsens 
C) decreases,improves 
D) decreases,worsens 
A) increases,improves 
B) increases,worsens 
C) decreases,improves 
D) decreases,worsens

Question 5

Activation of the apneustic center would increase tidal volume.

Accepted Answer

A) True 
 B)False

Question 6

A lower affinity for oxygen will decrease oxygen unloading to tissues.

Accepted Answer

A) True 
 B)False

Question 7

The volume of gas remaining in the lungs after a maximum expiration is the

Accepted Answer

A) tidal volume. 
B) vital capacity. 
C) inspiratory reserve volume. 
D) residual volume. 
A) tidal volume. 
B) vital capacity. 
C) inspiratory reserve volume. 
D) residual volume.

Question 8

Hemoglobin F

Accepted Answer

A) has a lower affinity for oxygen than hemoglobin A. 
B) contains two alpha and two gamma chains. 
C) binds large amounts of 2,3-DPG. 
D) is increased in sickle-cell anemia. 
A) has a lower affinity for oxygen than hemoglobin A. 
B) contains two alpha and two gamma chains. 
C) binds large amounts of 2,3-DPG. 
D) is increased in sickle-cell anemia.

Question 9

Who's law states that the total pressure of a gas mixture is equal to the sum of the pressures that each gas in the mixture would exert independently?

Accepted Answer

A) Boyle's Law 
B) Charles Law 
C) Dalton's Law 
D) Henry's Law 
A) Boyle's Law 
B) Charles Law 
C) Dalton's Law 
D) Henry's Law

Question 10

Quiet expiration will increase intrapulmonary pressure to about +3 mm Hg above atmospheric pressure.

Accepted Answer

A) True 
 B)False

Question 11

Cessation of breathing is known as

Accepted Answer

A) apneA. 
B) dyspnea. 
C) eupnea. 
D) pneumothorax. 
A) apneA. 
B) dyspnea. 
C) eupnea. 
D) pneumothorax.

Question 12

Type I alveolar cells secrete pulmonary surfactant.

Accepted Answer

A) True 
 B)False

Question 13

The anatomical dead space

Accepted Answer

A) is increased by emphysemA. 
B) has a lower concentration of carbon dioxide than atmospheric air. 
C) has a lower concentration of oxygen than atmospheric air. 
D) is comprised of the respiratory zone. 
A) is increased by emphysemA. 
B) has a lower concentration of carbon dioxide than atmospheric air. 
C) has a lower concentration of oxygen than atmospheric air. 
D) is comprised of the respiratory zone.

Question 14

Ondine's curse is a condition in which involuntary control of breathing is abolished so that patients must remind themselves to breathe.

Accepted Answer

A) True 
 B)False

Question 15

Tissues receive more O2 when the pH is lowered.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is NOT a component of respiration?

Accepted Answer

A) gas exchange 
B) oxygen utilization 
C) speech 
D) ventilation 
A) gas exchange 
B) oxygen utilization 
C) speech 
D) ventilation

Question 17

2,3-DPG comes from

Accepted Answer

A) aerobic respiration in red blood cells. 
B) anaerobic respiration in red blood cells. 
C) type II alveolar cells. 
D) tissues with high amounts of oxygen. 
A) aerobic respiration in red blood cells. 
B) anaerobic respiration in red blood cells. 
C) type II alveolar cells. 
D) tissues with high amounts of oxygen.

Question 18

The exchange of chloride ions for bicarbonate through tissue capillaries is called the

Accepted Answer

A) chloride shift. 
B) Bohr effect. 
C) oxygen toxicity. 
D) acidosis. 
A) chloride shift. 
B) Bohr effect. 
C) oxygen toxicity. 
D) acidosis.

Question 19

The direct role of blood oxygen levels in controlling respiration is called

Accepted Answer

A) hypoxic drive. 
B) hypocapnia. 
C) oxygen perfusion. 
D) acidosis. 
A) hypoxic drive. 
B) hypocapnia. 
C) oxygen perfusion. 
D) acidosis.

Question 20

Acclimatization to altitude results in increased oxygen loading.

Accepted Answer

A) True 
 B)False

According to who's law,is the pressure in a small alveolus greater than a large alveolus as long as the surface tension is equal?

Pleural membranes envelop organs within the thoracic cavity.

When alveolar ventilation increases,the perfusion of pulmonary arterioles will

Carbon dioxide _ oxygen unloading and oxygen unloading ___ carbon dioxide transport.

Activation of the apneustic center would increase tidal volume.

A lower affinity for oxygen will decrease oxygen unloading to tissues.

The volume of gas remaining in the lungs after a maximum expiration is the

Hemoglobin F

Who's law states that the total pressure of a gas mixture is equal to the sum of the pressures that each gas in the mixture would exert independently?

Quiet expiration will increase intrapulmonary pressure to about +3 mm Hg above atmospheric pressure.

Cessation of breathing is known as

Type I alveolar cells secrete pulmonary surfactant.

The anatomical dead space

Ondine's curse is a condition in which involuntary control of breathing is abolished so that patients must remind themselves to breathe.

Tissues receive more O₂ when the pH is lowered.

Which of the following is NOT a component of respiration?

2,3-DPG comes from

The exchange of chloride ions for bicarbonate through tissue capillaries is called the

The direct role of blood oxygen levels in controlling respiration is called

Acclimatization to altitude results in increased oxygen loading.

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

The Immune System

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

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Exam 16: Respiratory Physiology

According to who's law,is the pressure in a small alveolus greater than a large alveolus as long as the surface tension is equal?

Pleural membranes envelop organs within the thoracic cavity.

When alveolar ventilation increases,the perfusion of pulmonary arterioles will

Carbon dioxide _____ oxygen unloading and oxygen unloading _______ carbon dioxide transport.

Activation of the apneustic center would increase tidal volume.

A lower affinity for oxygen will decrease oxygen unloading to tissues.

The volume of gas remaining in the lungs after a maximum expiration is the

Hemoglobin F

Who's law states that the total pressure of a gas mixture is equal to the sum of the pressures that each gas in the mixture would exert independently?

Quiet expiration will increase intrapulmonary pressure to about +3 mm Hg above atmospheric pressure.

Cessation of breathing is known as

Type I alveolar cells secrete pulmonary surfactant.

The anatomical dead space

Ondine's curse is a condition in which involuntary control of breathing is abolished so that patients must remind themselves to breathe.

Tissues receive more O2 when the pH is lowered.

Which of the following is NOT a component of respiration?

2,3-DPG comes from

The exchange of chloride ions for bicarbonate through tissue capillaries is called the

The direct role of blood oxygen levels in controlling respiration is called

Acclimatization to altitude results in increased oxygen loading.

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

The Immune System

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

Filters

Carbon dioxide _ oxygen unloading and oxygen unloading ___ carbon dioxide transport.

Tissues receive more O₂ when the pH is lowered.