Question 1

Carbonic acid is a volatile acid since its concentration in the blood is controlled by breathing.

Accepted Answer

A) True 
 B)False

Question 2

Black lung causes pulmonary fibrosis due to the inhalation of large amounts of carbon dust.

Accepted Answer

A) True 
 B)False

Question 3

What type of receptors in the wall of the larynx,along with rapidly adapting receptors in the lungs,cause a person to cough in response to components of smoke and smog?

Accepted Answer

A) aortic bodies 
B) pulmonary stretch receptors 
C) medullary chemoreceptors 
D) irritant receptors 
A) aortic bodies 
B) pulmonary stretch receptors 
C) medullary chemoreceptors 
D) irritant receptors

Question 4

The rhythmicity center is located in the

Accepted Answer

A) pons. 
B) cerebral cortex. 
C) medulla oblongata. 
D) midbrain. 
A) pons. 
B) cerebral cortex. 
C) medulla oblongata. 
D) midbrain.

Question 5

Acclimatization to high altitude results in __________ 2,3-DPG in erythrocytes.

Accepted Answer

A) increased 
B) decreased 
C) no change in 
A) increased 
B) decreased 
C) no change in

Question 6

During inspiration,

Accepted Answer

A) alveolar pressure exceeds atmospheric pressure. 
B) transpulmonary pressure increases. 
C) the diaphragm relaxes. 
D) intrapulmonary pressure is less than atmospheric pressure. 
A) alveolar pressure exceeds atmospheric pressure. 
B) transpulmonary pressure increases. 
C) the diaphragm relaxes. 
D) intrapulmonary pressure is less than atmospheric pressure.

Question 7

How does surfactant reduce the surface tension of water in the lungs?

Accepted Answer

A) decomposes water 
B) reduces hydrogen bonding between water molecules 
C) covers the alveoli 
D) All of the choices are correct. 
A) decomposes water 
B) reduces hydrogen bonding between water molecules 
C) covers the alveoli 
D) All of the choices are correct.

Question 8

Lung compliance increases as the amount of surfactant in the lung increases.

Accepted Answer

A) True 
 B)False

Question 9

The metabolic regulation of blood pH occurs in

Accepted Answer

A) the lungs. 
B) the liver. 
C) the kidneys. 
D) all organs. 
A) the lungs. 
B) the liver. 
C) the kidneys. 
D) all organs.

Question 10

The immediate increase in ventilation as exercise begins can be explained through both neurogenic and humoral responses.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following will decrease the affinity of hemoglobin for oxygen?

Accepted Answer

A) decreased pH,decreased temperature,or decreased 2,3-DPG 
B) decreased pH,increased temperature,or increased 2,3-DPG 
C) increased pH,increased temperature,or decreased 2,3-DPG 
D) increased pH,decreased temperature,or increased 2,3-DPG 
A) decreased pH,decreased temperature,or decreased 2,3-DPG 
B) decreased pH,increased temperature,or increased 2,3-DPG 
C) increased pH,increased temperature,or decreased 2,3-DPG 
D) increased pH,decreased temperature,or increased 2,3-DPG

Question 12

Fluid secretion by lung cells is due to _______ alveolar cells.

Accepted Answer

A) active transport of Na+ into 
B) active transport of Cl- out of 
C) passive transport of HCO3- out of 
D) active transport of Na+ out of 
A) active transport of Na+ into 
B) active transport of Cl- out of 
C) passive transport of HCO3- out of 
D) active transport of Na+ out of

Question 13

Obstructive pulmonary diseases often cause the FEV1 to be decreased by __________ or more.

Accepted Answer

A) 0% 
B) 5% 
C) 10% 
D) 20% 
A) 0% 
B) 5% 
C) 10% 
D) 20%

Question 14

Forced expiratory volume tests are used to differentiate between restrictive and obstructive lung disorders.

Accepted Answer

A) True 
 B)False

Question 15

Myoglobin binds to more oxygen molecules than hemoglobin.

Accepted Answer

A) True 
 B)False

Question 16

Persons with thalassemia will have large amounts of hemoglobin
F.

Accepted Answer

A) True 
 B)False

Question 17

The affinity of hemoglobin for oxygen

Accepted Answer

A) is greater than the affinity for carbon monoxide. 
B) is increased in methemoglobin. 
C) decreases as the height above sea level increases. 
D) is increased in response to metabolic alkalosis. 
A) is greater than the affinity for carbon monoxide. 
B) is increased in methemoglobin. 
C) decreases as the height above sea level increases. 
D) is increased in response to metabolic alkalosis.

Question 18

Gas X makes up 15% of a gas mix,at 760 mm Hg,the partial pressure of gas X would be

Accepted Answer

A) 11400 mm Hg 
B) 1140 mm Hg 
C) 114 mm Hg 
D) 646 mm Hg 
A) 11400 mm Hg 
B) 1140 mm Hg 
C) 114 mm Hg 
D) 646 mm Hg

Question 19

Hypocapnia would induce a rise in the pH of arterial blood.

Accepted Answer

A) True 
 B)False

Question 20

What condition is caused by large amounts of nitrogen dissolving into the blood due to hyperbaric conditions?

Accepted Answer

A) nitrogen narcosis 
B) oxygen toxicity 
C) decompression sickness 
D) emphysema 
A) nitrogen narcosis 
B) oxygen toxicity 
C) decompression sickness 
D) emphysema

Carbonic acid is a volatile acid since its concentration in the blood is controlled by breathing.

Black lung causes pulmonary fibrosis due to the inhalation of large amounts of carbon dust.

What type of receptors in the wall of the larynx,along with rapidly adapting receptors in the lungs,cause a person to cough in response to components of smoke and smog?

The rhythmicity center is located in the

Acclimatization to high altitude results in __________ 2,3-DPG in erythrocytes.

During inspiration,

How does surfactant reduce the surface tension of water in the lungs?

Lung compliance increases as the amount of surfactant in the lung increases.

The metabolic regulation of blood pH occurs in

The immediate increase in ventilation as exercise begins can be explained through both neurogenic and humoral responses.

Which of the following will decrease the affinity of hemoglobin for oxygen?

Fluid secretion by lung cells is due to _______ alveolar cells.

Obstructive pulmonary diseases often cause the FEV₁ to be decreased by __________ or more.

Forced expiratory volume tests are used to differentiate between restrictive and obstructive lung disorders.

Myoglobin binds to more oxygen molecules than hemoglobin.

Persons with thalassemia will have large amounts of hemoglobin F.

The affinity of hemoglobin for oxygen

Gas X makes up 15% of a gas mix,at 760 mm Hg,the partial pressure of gas X would be

Hypocapnia would induce a rise in the pH of arterial blood.

What condition is caused by large amounts of nitrogen dissolving into the blood due to hyperbaric conditions?

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

Carbonic acid is a volatile acid since its concentration in the blood is controlled by breathing.

Black lung causes pulmonary fibrosis due to the inhalation of large amounts of carbon dust.

What type of receptors in the wall of the larynx,along with rapidly adapting receptors in the lungs,cause a person to cough in response to components of smoke and smog?

The rhythmicity center is located in the

Acclimatization to high altitude results in __________ 2,3-DPG in erythrocytes.

During inspiration,

How does surfactant reduce the surface tension of water in the lungs?

Lung compliance increases as the amount of surfactant in the lung increases.

The metabolic regulation of blood pH occurs in

The immediate increase in ventilation as exercise begins can be explained through both neurogenic and humoral responses.

Which of the following will decrease the affinity of hemoglobin for oxygen?

Fluid secretion by lung cells is due to _______ alveolar cells.

Obstructive pulmonary diseases often cause the FEV1 to be decreased by __________ or more.

Forced expiratory volume tests are used to differentiate between restrictive and obstructive lung disorders.

Myoglobin binds to more oxygen molecules than hemoglobin.

Persons with thalassemia will have large amounts of hemoglobin F.

The affinity of hemoglobin for oxygen

Gas X makes up 15% of a gas mix,at 760 mm Hg,the partial pressure of gas X would be

Hypocapnia would induce a rise in the pH of arterial blood.

What condition is caused by large amounts of nitrogen dissolving into the blood due to hyperbaric conditions?

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

Obstructive pulmonary diseases often cause the FEV₁ to be decreased by __________ or more.