Question 1

Which of the following is NOT part of the conducting zone?

Accepted Answer

A) primary bronchi 
B) trachea 
C) alveoli 
D) nose 
A) primary bronchi 
B) trachea 
C) alveoli 
D) nose

Question 2

Ventilation would be decreased by decreasing the activity of

Accepted Answer

A) type II alveolar cells. 
B) type I alveolar cells. 
C) alveolar macrophages. 
D) None of the choices are correct. 
A) type II alveolar cells. 
B) type I alveolar cells. 
C) alveolar macrophages. 
D) None of the choices are correct.

Question 3

Contraction of the internal intercostal muscles expands the thoracic cavity.

Accepted Answer

A) True 
 B)False

Question 4

Pulmonary fibrosis may be caused by

Accepted Answer

A) smoking. 
B) allergic reactions. 
C) breathing in coal dust. 
D) increased mucus production. 
A) smoking. 
B) allergic reactions. 
C) breathing in coal dust. 
D) increased mucus production.

Question 5

Forced (deep)inspiration occurs with the contraction of the

Accepted Answer

A) erectus abdominis. 
B) scalenes. 
C) internal intercostals. 
D) parasternal intercostals. 
A) erectus abdominis. 
B) scalenes. 
C) internal intercostals. 
D) parasternal intercostals.

Question 6

An increase in 2,3-diphosphoglyceric acid (2,3-DPG)will ________ the affinity of hemoglobin for oxygen.

Accepted Answer

A) increase 
B) decrease 
C) have no effect on 
A) increase 
B) decrease 
C) have no effect on

Question 7

An atopic allergic asthmatic would have

Accepted Answer

A) activation of helper T lynphocytes. 
B) production of IgE. 
C) pulmonary eosinphilia. 
D) All of the choices are correct. 
A) activation of helper T lynphocytes. 
B) production of IgE. 
C) pulmonary eosinphilia. 
D) All of the choices are correct.

Question 8

Breathing 100% oxygen will NOT

Accepted Answer

A) significantly increase the oxygen delivery to tissues. 
B) increase the amount of oxygen in red blood cells. 
C) significantly increase the total oxygen content of whole blood. 
D) both increase the amount of oxygen in red blood cells and significantly increase the total oxygen content of whole blooD. 
A) significantly increase the oxygen delivery to tissues. 
B) increase the amount of oxygen in red blood cells. 
C) significantly increase the total oxygen content of whole blood. 
D) both increase the amount of oxygen in red blood cells and significantly increase the total oxygen content of whole blooD.

Question 9

After a few days at a higher elevation,the affinity of hemoglobin for oxygen decreases due to 2,3-DPG.

Accepted Answer

A) True 
 B)False

Question 10

Central chemoreceptors respond to changes in arterial oxygen and carbon dioxide.

Accepted Answer

A) True 
 B)False

Question 11

In anemia,2,3-DPG is ________ and oxygen affinity is ________.

Accepted Answer

A) decreased,decreased. 
B) decreased,increased. 
C) increased,increased. 
D) increased,decreaseD. 
A) decreased,decreased. 
B) decreased,increased. 
C) increased,increased. 
D) increased,decreaseD.

Question 12

The __________ separates the abdominal and thoracic cavities.

Accepted Answer

A) lungs 
B) liver 
C) rib cage 
D) diaphragm 
A) lungs 
B) liver 
C) rib cage 
D) diaphragm

Question 13

Respiratory Distress Syndrome (RDS)is a condition associated with premature babies who lack

Accepted Answer

A) a-antitrypsin. 
B) histamine. 
C) type I alveolar cells. 
D) surfactant. 
A) a-antitrypsin. 
B) histamine. 
C) type I alveolar cells. 
D) surfactant.

Question 14

The form of hemoglobin with iron in a reduced state and bonded to oxygen is

Accepted Answer

A) oxyhemoglobin. 
B) deoxyhemoglobin. 
C) methemoglobin. 
D) carboxyhemoglobin. 
A) oxyhemoglobin. 
B) deoxyhemoglobin. 
C) methemoglobin. 
D) carboxyhemoglobin.

Question 15

What condition is marked by an accumulation of protein-rich fluid in the lungs due to permeability changes triggered by the inflammatory response to systemic infection?

Accepted Answer

A) emphysema 
B) chronic obstructive pulmonary disease (COP
D)  
C) pneumothorax 
D) acute respiratory distress syndrome (ARDS) 
A) emphysema 
B) chronic obstructive pulmonary disease (COP
D)  
C) pneumothorax 
D) acute respiratory distress syndrome (ARDS)

Question 16

A measure of the distensibility of the lungs is

Accepted Answer

A) compliance. 
B) elasticity. 
C) surface tension. 
D) None of the choices are correct. 
A) compliance. 
B) elasticity. 
C) surface tension. 
D) None of the choices are correct.

Question 17

The Bohr effect

Accepted Answer

A) describes the effect of pH on the affinity of hemoglobin for oxygen. 
B) describes the effect of pH on the affinity of hemoglobin for carbon dioxide. 
C) describes the mechanism of ventilation. 
D) describes the effect of solubility on the amount of gas dissolved in blooD. 
A) describes the effect of pH on the affinity of hemoglobin for oxygen. 
B) describes the effect of pH on the affinity of hemoglobin for carbon dioxide. 
C) describes the mechanism of ventilation. 
D) describes the effect of solubility on the amount of gas dissolved in blooD.

Question 18

The presence of water vapor in the air will reduce the partial pressure of oxygen.

Accepted Answer

A) True 
 B)False

Question 19

Internal respiration occurs most frequently in the respiratory zone.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is true?

Accepted Answer

A) Blood in the pulmonary veins is low in oxygen. 
B) Blood in the pulmonary veins is high in carbon dioxide. 
C) The oxygen concentration of inspired air is higher than that of alveolar air. 
D) All of the choices are true. 
A) Blood in the pulmonary veins is low in oxygen. 
B) Blood in the pulmonary veins is high in carbon dioxide. 
C) The oxygen concentration of inspired air is higher than that of alveolar air. 
D) All of the choices are true.

Which of the following is NOT part of the conducting zone?

Ventilation would be decreased by decreasing the activity of

Contraction of the internal intercostal muscles expands the thoracic cavity.

Pulmonary fibrosis may be caused by

Forced (deep)inspiration occurs with the contraction of the

An increase in 2,3-diphosphoglyceric acid (2,3-DPG)will ________ the affinity of hemoglobin for oxygen.

An atopic allergic asthmatic would have

Breathing 100% oxygen will NOT

After a few days at a higher elevation,the affinity of hemoglobin for oxygen decreases due to 2,3-DPG.

Central chemoreceptors respond to changes in arterial oxygen and carbon dioxide.

In anemia,2,3-DPG is and oxygen affinity is .

The __________ separates the abdominal and thoracic cavities.

Respiratory Distress Syndrome (RDS)is a condition associated with premature babies who lack

The form of hemoglobin with iron in a reduced state and bonded to oxygen is

What condition is marked by an accumulation of protein-rich fluid in the lungs due to permeability changes triggered by the inflammatory response to systemic infection?

A measure of the distensibility of the lungs is

The Bohr effect

The presence of water vapor in the air will reduce the partial pressure of oxygen.

Internal respiration occurs most frequently in the respiratory zone.

Which of the following is true?

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

Which of the following is NOT part of the conducting zone?

Ventilation would be decreased by decreasing the activity of

Contraction of the internal intercostal muscles expands the thoracic cavity.

Pulmonary fibrosis may be caused by

Forced (deep)inspiration occurs with the contraction of the

An increase in 2,3-diphosphoglyceric acid (2,3-DPG)will ________ the affinity of hemoglobin for oxygen.

An atopic allergic asthmatic would have

Breathing 100% oxygen will NOT

After a few days at a higher elevation,the affinity of hemoglobin for oxygen decreases due to 2,3-DPG.

Central chemoreceptors respond to changes in arterial oxygen and carbon dioxide.

In anemia,2,3-DPG is ________ and oxygen affinity is ________.

The __________ separates the abdominal and thoracic cavities.

Respiratory Distress Syndrome (RDS)is a condition associated with premature babies who lack

The form of hemoglobin with iron in a reduced state and bonded to oxygen is

What condition is marked by an accumulation of protein-rich fluid in the lungs due to permeability changes triggered by the inflammatory response to systemic infection?

A measure of the distensibility of the lungs is

The Bohr effect

The presence of water vapor in the air will reduce the partial pressure of oxygen.

Internal respiration occurs most frequently in the respiratory zone.

Which of the following is true?

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

In anemia,2,3-DPG is and oxygen affinity is .