Question 1

Arrange the following structures in the order air passes through them during inhalation.
(1) Alveolar ducts
(2) Alveolus
(3) Respiratory bronchiole
(4) Terminal bronchiole

Accepted Answer

A)  1, 2, 3, 4 
B)  2, 1, 3, 4 
C)  4, 3, 1, 2 
D)  3, 2, 1, 4 
E)  4, 3, 2, 1 
A)  1, 2, 3, 4 
B)  2, 1, 3, 4 
C)  4, 3, 1, 2 
D)  3, 2, 1, 4 
E)  4, 3, 2, 1

Question 2

Which of the following is NOT a process of respiration?

Accepted Answer

A)  Voice production 
B)  Systemic respiration 
C)  Ventilation 
D)  Pulmonary respiration 
E)  Transport of blood gases in the blood 
A)  Voice production 
B)  Systemic respiration 
C)  Ventilation 
D)  Pulmonary respiration 
E)  Transport of blood gases in the blood

Question 3

After hyperventilating for several minutes, a person may develop short periods of apnea because

Accepted Answer

A)  blood pH would drop and inhibit inspiration. 
B)  oxygen in the lungs has not had time to diffuse into the blood. 
C)  the level of oxygen has increased and inhibits the inspiratory center. 
D)  the level of CO2 decreases below the level necessary to stimulate the inspiratory center. 
E)  blood pH will rise and stimulate expiration. 
A)  blood pH would drop and inhibit inspiration. 
B)  oxygen in the lungs has not had time to diffuse into the blood. 
C)  the level of oxygen has increased and inhibits the inspiratory center. 
D)  the level of CO2 decreases below the level necessary to stimulate the inspiratory center. 
E)  blood pH will rise and stimulate expiration.

Question 4

Which of the following increases the rate of gas exchange across the respiratory membrane?

Accepted Answer

A)  Increased fluid in the alveoli 
B)  Increased thickness of the respiratory membrane 
C)  Increased surface area of the respiratory membrane 
D)  Increased connective tissue in the alveolar wall 
E)  Decreased surface area of the respiratory membrane 
A)  Increased fluid in the alveoli 
B)  Increased thickness of the respiratory membrane 
C)  Increased surface area of the respiratory membrane 
D)  Increased connective tissue in the alveolar wall 
E)  Decreased surface area of the respiratory membrane

Question 5

Hering-Breuer reflex is important in adults to regulate the basic rhythm of breathing.

Accepted Answer

A) True 
 B)False

Question 6

A person has severe damage or disease in the upper area of their right lung. Surgery is necessary. The doctor would need to remove

Accepted Answer

A)  the entire right lung. 
B)  the superior lobe of the right lung. 
C)  the apical bronchopulmonary segment of the right lung. 
D)  only the damaged area of the apical bronchopulmonary segment. 
E)  the apical, anterior, and posterior segments of the superior lobe. 
A)  the entire right lung. 
B)  the superior lobe of the right lung. 
C)  the apical bronchopulmonary segment of the right lung. 
D)  only the damaged area of the apical bronchopulmonary segment. 
E)  the apical, anterior, and posterior segments of the superior lobe.

Question 7

The ventral respiratory group

Accepted Answer

A)  is located in the pons. 
B)  stimulates the intercostal and abdominal muscles. 
C)  is part of the pontine respiratory group. 
D)  is active only in exhalation. 
E)  stimulates the diaphragm. 
A)  is located in the pons. 
B)  stimulates the intercostal and abdominal muscles. 
C)  is part of the pontine respiratory group. 
D)  is active only in exhalation. 
E)  stimulates the diaphragm.

Question 8

Mr. Jones has a blood pH of 7.00 and a temperature of 100.5°F. His oxygen-hemoglobin dissociation curve would

Accepted Answer

A)  shift to the right, causing more O2 to be released to his cells. 
B)  shift to the left, allowing less O2 to be released to his cells. 
C)  show no change, allowing the O2 concentration to remain stable. 
A)  shift to the right, causing more O2 to be released to his cells. 
B)  shift to the left, allowing less O2 to be released to his cells. 
C)  show no change, allowing the O2 concentration to remain stable.

Question 9

Calculate the alveolar ventilation if the tidal volume is 500 ml, the respiratory rate is 12/minute, and the anatomical dead space is 100 ml.

Accepted Answer

A)  1200 ml 
B)  1800 ml 
C)  4800 ml 
D)  6000 ml 
E)  7200 ml 
A)  1200 ml 
B)  1800 ml 
C)  4800 ml 
D)  6000 ml 
E)  7200 ml

Question 10

Arrange the following in order from highest to lowest PO2.
(1) PO2 of pulmonary veins
(2) PO2 of pulmonary artery
(3) PO2 of alveolar air

Accepted Answer

A)  1, 2, 3 
B)  2, 1, 3 
C)  2, 3, 1 
D)  3, 1, 2 
E)  3, 2, 1 
A)  1, 2, 3 
B)  2, 1, 3 
C)  2, 3, 1 
D)  3, 1, 2 
E)  3, 2, 1

Question 11

During inspiration, contraction of the diaphragm causes the volume of Mr. Jones' thoracic cavity to increase and the pleural pressure to decrease. The pressure in his alveoli (Palv) will

Accepted Answer

A)  decrease below atmospheric pressure (P
B) , causing air to move out of his lungs. 
B)  become greater than atmospheric pressure (P
B) , causing air to move into his lungs. 
C)  decrease below atmospheric pressure (P
B) , causing air to move into his lungs. 
D)  become greater than atmospheric pressure (P
B) , causing air to move out of his lungs. 
E)  does not change. 
A)  decrease below atmospheric pressure (P
B) , causing air to move out of his lungs. 
B)  become greater than atmospheric pressure (P
B) , causing air to move into his lungs. 
C)  decrease below atmospheric pressure (P
B) , causing air to move into his lungs. 
D)  become greater than atmospheric pressure (P
B) , causing air to move out of his lungs. 
E)  does not change.

Question 12

Each lobe of each lung is supplied by a ________.

Accepted Answer

A)  primary bronchus 
B)  secondary bronchus 
C)  tertiary bronchus 
D)  bronchiole 
E)  segmental bronchus 
A)  primary bronchus 
B)  secondary bronchus 
C)  tertiary bronchus 
D)  bronchiole 
E)  segmental bronchus

Question 13

Hemoglobin that has oxygen attached is called ________.

Accepted Answer

A)  hemoglobin-oxygen complex 
B)  carbaminohemoglobin 
C)  oxyhemoglobin 
D)  deoxyhemoglobin 
E)  globoxygen 
A)  hemoglobin-oxygen complex 
B)  carbaminohemoglobin 
C)  oxyhemoglobin 
D)  deoxyhemoglobin 
E)  globoxygen

Question 14

The thyroid cartilage is part of the ________.

Accepted Answer

The answer of The thyroid cartilage is part of the...

Question 15

The Hering-Breuer reflex

Accepted Answer

A)  causes erratic respirations. 
B)  helps prevent overinflation of the lungs. 
C)  has its sensory components in the sympathetic nerves. 
D)  is a normal response to increased O2 content in the blood. 
E)  limits how much air a person can expire. 
A)  causes erratic respirations. 
B)  helps prevent overinflation of the lungs. 
C)  has its sensory components in the sympathetic nerves. 
D)  is a normal response to increased O2 content in the blood. 
E)  limits how much air a person can expire.

Question 16

Increasing ventilation will increase the PO2 and decrease the PCO2, which promotes gas exchange.

Accepted Answer

A) True 
 B)False

Question 17

Match the term with the appropriate description. Answer with the letter preceding the description.
-Hard palate

Accepted Answer

A) The floor of the nasal cavity 
B) Superior portion of pharynx 
C) A soft process that extends inferiorly from the posterior edge of the soft palate 
D) The opening of the nasal cavity into the pharynx 
E) External openings of the nasal cavity 
A) The floor of the nasal cavity 
B) Superior portion of pharynx 
C) A soft process that extends inferiorly from the posterior edge of the soft palate 
D) The opening of the nasal cavity into the pharynx 
E) External openings of the nasal cavity

Question 18

Use the following key to determine the best answer.
-(1) PO2 of arterial blood
(2) PO2 of intracellular fluid

Accepted Answer

A) First item is greater than the second item. 
B) First item is less than the second item. 
C) First item is equal or nearly equal to the second item. 
A) First item is greater than the second item. 
B) First item is less than the second item. 
C) First item is equal or nearly equal to the second item.

Question 19

Match the disorder of the respiratory system with the best description.
-Cystic fibrosis

Accepted Answer

A) Destruction of the alveolar walls 
B) Inflammation of the bronchi 
C) Inherited disease that affects secretory cells lining the lungs 
D) Replacement of lung tissue with fibrous connective tissue 
E) Infant stops breathing during sleep 
A) Destruction of the alveolar walls 
B) Inflammation of the bronchi 
C) Inherited disease that affects secretory cells lining the lungs 
D) Replacement of lung tissue with fibrous connective tissue 
E) Infant stops breathing during sleep

Question 20

Which of the following is part of the upper respiratory tract?

Accepted Answer

A)  Lungs 
B)  Pharynx 
C)  Trachea 
D)  Bronchi 
E)  Bronchioles 
A)  Lungs 
B)  Pharynx 
C)  Trachea 
D)  Bronchi 
E)  Bronchioles

Exam 23: Respiratory System

Arrange the following structures in the order air passes through them during inhalation. (1) Alveolar ducts (2) Alveolus (3) Respiratory bronchiole (4) Terminal bronchiole

Which of the following is NOT a process of respiration?

After hyperventilating for several minutes, a person may develop short periods of apnea because

Which of the following increases the rate of gas exchange across the respiratory membrane?

Hering-Breuer reflex is important in adults to regulate the basic rhythm of breathing.

A person has severe damage or disease in the upper area of their right lung. Surgery is necessary. The doctor would need to remove

The ventral respiratory group

Mr. Jones has a blood pH of 7.00 and a temperature of 100.5°F. His oxygen-hemoglobin dissociation curve would

Calculate the alveolar ventilation if the tidal volume is 500 ml, the respiratory rate is 12/minute, and the anatomical dead space is 100 ml.

Arrange the following in order from highest to lowest PO2. (1) PO2 of pulmonary veins (2) PO2 of pulmonary artery (3) PO2 of alveolar air

During inspiration, contraction of the diaphragm causes the volume of Mr. Jones' thoracic cavity to increase and the pleural pressure to decrease. The pressure in his alveoli (Palv) will

Each lobe of each lung is supplied by a ________.

Hemoglobin that has oxygen attached is called ________.

The thyroid cartilage is part of the ________.

The Hering-Breuer reflex

Increasing ventilation will increase the PO2 and decrease the PCO2, which promotes gas exchange.

Match the term with the appropriate description. Answer with the letter preceding the description. -Hard palate

Use the following key to determine the best answer. -(1) PO2 of arterial blood (2) PO2 of intracellular fluid

Match the disorder of the respiratory system with the best description. -Cystic fibrosis

Which of the following is part of the upper respiratory tract?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joint and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive System

Development, Growth, Aging, and Genetics

Filters

Arrange the following in order from highest to lowest PO₂. (1) PO₂ of pulmonary veins (2) PO₂ of pulmonary artery (3) PO₂ of alveolar air

During inspiration, contraction of the diaphragm causes the volume of Mr. Jones' thoracic cavity to increase and the pleural pressure to decrease. The pressure in his alveoli (P_alv) will

Increasing ventilation will increase the PO₂ and decrease the PCO₂, which promotes gas exchange.

Use the following key to determine the best answer. -(1) PO₂ of arterial blood (2) PO₂ of intracellular fluid