Question 1

How does expired air compare with inspired air?

Accepted Answer

A)  Expired air contains less oxygen but more carbon dioxide. 
B)  Expired air contains less oxygen and less carbon dioxide. 
C)  Expired air contains more oxygen and more carbon dioxide. 
D)  Expired air contains more oxygen but less carbon dioxide. 
E)  Expired and inspired air contain the same amount of oxygen and carbon dioxide. 
A)  Expired air contains less oxygen but more carbon dioxide. 
B)  Expired air contains less oxygen and less carbon dioxide. 
C)  Expired air contains more oxygen and more carbon dioxide. 
D)  Expired air contains more oxygen but less carbon dioxide. 
E)  Expired and inspired air contain the same amount of oxygen and carbon dioxide.

Question 2

Most of the carbon dioxide transported in the plasma is in the form of

Accepted Answer

A)  gas bubbles. 
B)  oxyhemoglobin. 
C)  bicarbonate ions. 
D)  carbaminohemoglobin. 
E)  carbon monoxide. 
A)  gas bubbles. 
B)  oxyhemoglobin. 
C)  bicarbonate ions. 
D)  carbaminohemoglobin. 
E)  carbon monoxide.

Question 3

Oxygen is transported in blood most efficiently by

Accepted Answer

A)  being dissolved in the plasma. 
B)  chemical conversion to water. 
C)  combining with hemoglobin. 
D)  combining with carbon dioxide to form bicarbonate ions. 
E)  a free oxygen ion or radical. 
A)  being dissolved in the plasma. 
B)  chemical conversion to water. 
C)  combining with hemoglobin. 
D)  combining with carbon dioxide to form bicarbonate ions. 
E)  a free oxygen ion or radical.

Question 4

Which of the following is an upper respiratory tract disease?

Accepted Answer

A)  pharyngitis 
B)  acute bronchitis 
C)  asthma 
D)  pneumonia 
E)  cystic fibrosis 
A)  pharyngitis 
B)  acute bronchitis 
C)  asthma 
D)  pneumonia 
E)  cystic fibrosis

Question 5

Which respiratory organ normally allows both air and food passage?

Accepted Answer

A)  bronchi 
B)  trachea 
C)  larynx 
D)  pharynx 
E)  nasal cavity 
A)  bronchi 
B)  trachea 
C)  larynx 
D)  pharynx 
E)  nasal cavity

Question 6

Which of the following lung conditions is most likely to be cured?

Accepted Answer

A)  advanced lung cancer with metastases 
B)  tuberculosis 
C)  asthma 
D)  emphysema 
E)  COPD 
A)  advanced lung cancer with metastases 
B)  tuberculosis 
C)  asthma 
D)  emphysema 
E)  COPD

Question 7

Which of the following is a correct association of a lower respiratory problem and its cause or symptoms?

Accepted Answer

A)  chronic bronchitis-loss of lung elasticity due exposure to silica, dust, or asbestos 
B)  pulmonary fibrosis-ongoing inflammation and possible infection of bronchi with loss of cilia 
C)  emphysema-a bacterial infection that the body tries to isolate and seal off 
D)  pulmonary tuberculosis-reduced lung and chest volume due to collapsed alveoli 
E)  Pneumocystis carinii-pneumonia caused by a fungus in absence of a healthy immune system 
A)  chronic bronchitis-loss of lung elasticity due exposure to silica, dust, or asbestos 
B)  pulmonary fibrosis-ongoing inflammation and possible infection of bronchi with loss of cilia 
C)  emphysema-a bacterial infection that the body tries to isolate and seal off 
D)  pulmonary tuberculosis-reduced lung and chest volume due to collapsed alveoli 
E)  Pneumocystis carinii-pneumonia caused by a fungus in absence of a healthy immune system

Question 8

The vocal cords are found in the

Accepted Answer

A)  bronchi. 
B)  nose. 
C)  larynx. 
D)  lungs. 
E)  pharynx. 
A)  bronchi. 
B)  nose. 
C)  larynx. 
D)  lungs. 
E)  pharynx.

Question 9

In an average adult, only about 1/3 of the air inhaled actually reaches the alveoli.

Accepted Answer

A) True 
 B)False

Exam 15: Respiratory System

How does expired air compare with inspired air?

Most of the carbon dioxide transported in the plasma is in the form of

Oxygen is transported in blood most efficiently by

Which of the following is an upper respiratory tract disease?

Which respiratory organ normally allows both air and food passage?

Which of the following lung conditions is most likely to be cured?

Which of the following is a correct association of a lower respiratory problem and its cause or symptoms?

The vocal cords are found in the

In an average adult, only about 1/3 of the air inhaled actually reaches the alveoli.

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