Question 1

Of the respiratory air volumes listed, which one has the largest volume?

Accepted Answer

A) Expiratory reserve volume 
B) Inspiratory reserve volume 
C) Vital capacity 
D) Tidal volume 
A) Expiratory reserve volume 
B) Inspiratory reserve volume 
C) Vital capacity 
D) Tidal volume C

Question 2

Oxygen is carried in the blood in the form of bicarbonate ions and is bound to hemoglobin.

Accepted Answer

A) True 
 B)False  False

Question 3

Cellular respiration enables cells to harness the energy from oxygen.

Accepted Answer

A) True 
 B)False  False

Question 4

Which of the following occur with emphysema?

Accepted Answer

A) The walls of the alveoli degenerate, decreasing the surface area for gas exchange. 
B) Cells in the bronchial lining divide too fast, causing increased thickness of the bronchial lining. 
C) Tar from cigarettes blackens alveoli. 
D) Membranes form within alveoli, increasing surface area. 
A) The walls of the alveoli degenerate, decreasing the surface area for gas exchange. 
B) Cells in the bronchial lining divide too fast, causing increased thickness of the bronchial lining. 
C) Tar from cigarettes blackens alveoli. 
D) Membranes form within alveoli, increasing surface area.

Question 5

The walls of the alveoli are composed of

Accepted Answer

A) ciliated columnar epithelium. 
B) simple squamous epithelium. 
C) stratified squamous epithelium. 
D) areolar connective tissue. 
A) ciliated columnar epithelium. 
B) simple squamous epithelium. 
C) stratified squamous epithelium. 
D) areolar connective tissue.

Question 6

During an asthma attack, the patient usually finds it most difficult to

Accepted Answer

A) exhale. 
B) inhale. 
C) contract the respiratory muscles. 
D) expand the lungs. 
A) exhale. 
B) inhale. 
C) contract the respiratory muscles. 
D) expand the lungs.

Question 7

The cartilaginous structure at the base of the tongue that helps to prevent food and liquid from entering the trachea during swallowing is the ________.

Accepted Answer

The answer of The cartilaginous structure at the base of...

Question 8

What would you expect to happen to blood gas content if breathing rate did not increase with physical exercise?

Accepted Answer

A) No change to blood gas content 
B) Low concentration of CO₂ in the blood 
C) High concentration of O₂ in the blood 
D) High concentration of CO₂ in the blood 
A) No change to blood gas content 
B) Low concentration of CO₂ in the blood 
C) High concentration of O₂ in the blood 
D) High concentration of CO₂ in the blood

Question 9

The procedure used to directly examine the trachea and bronchial tree is called

Accepted Answer

A) bronchoscopy. 
B) tracheostomy. 
C) tracheotomy. 
D) laryngectomy. 
A) bronchoscopy. 
B) tracheostomy. 
C) tracheotomy. 
D) laryngectomy.

Question 10

A respiratory specialist is giving a simple spirometer test to observe the different respiratory volumes of a patient. Which of the following won't be observable with this particular test?

Accepted Answer

A) Tidal volume 
B) Vital capacity 
C) Residual volume 
D) Expiratory reserve volume 
A) Tidal volume 
B) Vital capacity 
C) Residual volume 
D) Expiratory reserve volume

Question 11

Which of the following describes the process of breathing?

Accepted Answer

A) Delivery of oxygen to cells 
B) Forcible movement of oxygen molecules into the bloodstream 
C) Delivery of carbon dioxide to cells 
D) Movement of air into and out of lungs 
A) Delivery of oxygen to cells 
B) Forcible movement of oxygen molecules into the bloodstream 
C) Delivery of carbon dioxide to cells 
D) Movement of air into and out of lungs

Question 12

The enzyme carbonic anhydrase catalyzes what reaction?

Accepted Answer

A) Carbon dioxide reaction with water 
B) Carbon dioxide reaction with bicarbonate ions 
C) Water reaction with bicarbonate ions 
D) Water reaction with hydrogen ions 
A) Carbon dioxide reaction with water 
B) Carbon dioxide reaction with bicarbonate ions 
C) Water reaction with bicarbonate ions 
D) Water reaction with hydrogen ions

Question 13

Carbon monoxide bonds to hemoglobin more effectively than does oxygen.

Accepted Answer

A) True 
 B)False

Question 14

Pneumonia can be caused by

Accepted Answer

A) bacteria, viruses, or fungi. 
B) viruses only. 
C) fungi only. 
D) bacteria only. 
A) bacteria, viruses, or fungi. 
B) viruses only. 
C) fungi only. 
D) bacteria only.

Question 15

The respiratory control areas are in the

Accepted Answer

A) cerebral cortex. 
B) pons and medulla oblongata. 
C) alveoli. 
D) hypothalamus and hippocampus. 
A) cerebral cortex. 
B) pons and medulla oblongata. 
C) alveoli. 
D) hypothalamus and hippocampus.

Question 16

A mother and two young children are found passed out in their apartment, where a space heater is on. Emergency medical technicians suspect carbon monoxide poisoning, so they give the patients

Accepted Answer

A) nitrogen and carbon dioxide. 
B) highly concentrated oxygen and some carbon dioxide. 
C) surfactant. 
D) blood transfusions. 
A) nitrogen and carbon dioxide. 
B) highly concentrated oxygen and some carbon dioxide. 
C) surfactant. 
D) blood transfusions.

Question 17

The chemoreceptors in the carotid and aortic bodies are most sensitive to changes in blood concentration of

Accepted Answer

A) carbon dioxide. 
B) hydrogen ions. 
C) oxygen. 
D) bicarbonate ions. 
A) carbon dioxide. 
B) hydrogen ions. 
C) oxygen. 
D) bicarbonate ions.

Question 18

Respiratory distress syndrome in newborns is caused by

Accepted Answer

A) lack of surfactant. 
B) lack of a respiratory membrane. 
C) low oxygen concentration. 
D) high oxygen concentration. 
A) lack of surfactant. 
B) lack of a respiratory membrane. 
C) low oxygen concentration. 
D) high oxygen concentration.

Question 19

What is chloride shift?

Accepted Answer

A) An exchange that maintains the ionic balance between the red blood cells and the plasma 
B) Movement of chloride across the respiratory membranes, decreasing oxygen delivery to tissues 
C) The type of reaction catalyzed by carbonic anhydrase 
D) Movement of chloride into cerebrospinal fluid, allowing its interaction with peripheral chemoreceptors 
A) An exchange that maintains the ionic balance between the red blood cells and the plasma 
B) Movement of chloride across the respiratory membranes, decreasing oxygen delivery to tissues 
C) The type of reaction catalyzed by carbonic anhydrase 
D) Movement of chloride into cerebrospinal fluid, allowing its interaction with peripheral chemoreceptors

Question 20

Which of the following lists all of the events that occur with respiration?

Accepted Answer

A) Inhaling and exhaling 
B) Ventilation, external and internal respiration, and cellular respiration 
C) Inflating and deflating alveoli 
D) Delivering carbon dioxide to cells and removing oxygen from cells 
A) Inhaling and exhaling 
B) Ventilation, external and internal respiration, and cellular respiration 
C) Inflating and deflating alveoli 
D) Delivering carbon dioxide to cells and removing oxygen from cells

Exam 19: Respiratory System

Of the respiratory air volumes listed, which one has the largest volume?

Oxygen is carried in the blood in the form of bicarbonate ions and is bound to hemoglobin.

Cellular respiration enables cells to harness the energy from oxygen.

Which of the following occur with emphysema?

The walls of the alveoli are composed of

During an asthma attack, the patient usually finds it most difficult to

The cartilaginous structure at the base of the tongue that helps to prevent food and liquid from entering the trachea during swallowing is the ________.

What would you expect to happen to blood gas content if breathing rate did not increase with physical exercise?

The procedure used to directly examine the trachea and bronchial tree is called

A respiratory specialist is giving a simple spirometer test to observe the different respiratory volumes of a patient. Which of the following won't be observable with this particular test?

Which of the following describes the process of breathing?

The enzyme carbonic anhydrase catalyzes what reaction?

Carbon monoxide bonds to hemoglobin more effectively than does oxygen.

Pneumonia can be caused by

The respiratory control areas are in the

A mother and two young children are found passed out in their apartment, where a space heater is on. Emergency medical technicians suspect carbon monoxide poisoning, so they give the patients

The chemoreceptors in the carotid and aortic bodies are most sensitive to changes in blood concentration of

Respiratory distress syndrome in newborns is caused by

What is chloride shift?

Which of the following lists all of the events that occur with respiration?

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I: Basic Structure and Function

Nervous System II: Divisions of the Nervous System

Nervous System III: Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System

Nutrition and Metabolism

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Pregnancy, Growth, and Development

Genetics and Genomics

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