Question 1

Cellular respiration enables cells to harness the energy from oxygen.

Accepted Answer

A) True 
 B)False  False

Question 2

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.E) All of the above
F) A) and B)

Question 3

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.E) A) and C)
F) A) and B)

Question 4

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 bloodE) A) and B)
F) A) and C)

Question 5

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.E) A) and C)
F) None of the above

Question 6

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 ionsE) A) and B)
F) A) and C)

Question 7

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.E) A) and B)
F) B) and C)

Question 8

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 volumeE) A) and B)
F) C) and D)

Question 9

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 lungsE) A) and D)
F) B) and C)

Question 10

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 11

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 chemoreceptorsE) A) and D)
F) C) and D)

Question 12

Carbon monoxide bonds to hemoglobin more effectively than does oxygen.

Accepted Answer

A) True 
 B)False

Question 13

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.E) B) and D)
F) A) and B)

Question 14

The respiratory control areas are in the

Accepted Answer

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

Question 15

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.E) B) and C)
F) A) and D)

Question 16

Pneumonia can be caused by

Accepted Answer

A)  bacteria, viruses, or fungi.
B)  viruses only.
C)  fungi only.
D)  bacteria only.E) None of the above
F) C) and D)

Question 17

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 cellsE) None of the above
F) A) and B)

Question 18

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 volumeE) B) and C)
F) A) and C) C

Question 19

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 20

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

Accepted Answer

A)  bronchoscopy.
B)  tracheostomy.
C)  tracheotomy.
D)  laryngectomy.E) B) and C)
F) A) and D)

Exam 19: Respiratory System

Cellular respiration enables cells to harness the energy from oxygen.

Correct AnswerverifiedFalse

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

Correct AnswerverifiedShow Answer

The walls of the alveoli are composed of

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Respiratory distress syndrome in newborns is caused by

Correct AnswerverifiedShow Answer

The enzyme carbonic anhydrase catalyzes what reaction?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

Which of the following describes the process of breathing?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedFalse

What is chloride shift?

Correct AnswerverifiedShow Answer

Carbon monoxide bonds to hemoglobin more effectively than does oxygen.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The respiratory control areas are in the

Correct AnswerverifiedShow Answer

Which of the following occur with emphysema?

Correct AnswerverifiedShow Answer

Pneumonia can be caused by

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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C

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