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Upon X-ray, it could be seen that Josh's lungs were filled with fluid. What is the proper diagnosis for Josh's illness?


A) bronchitis
B) emphysema
C) asthma
D) pulmonary fibrosis
E) pneumonia

F) B) and E)
G) A) and D)

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Humans inhale by negative pressure.

A) True
B) False

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Which of the following is not part of the respiratory system?


A) trachea
B) pharynx
C) esophagus
D) bronchus
E) nasal cavity

F) A) and B)
G) C) and D)

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Which part of the respiratory system is composed of skeletal muscle?


A) diaphragm
B) lung
C) trachea
D) larynx
E) glottis

F) A) and D)
G) B) and D)

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Which part of the lower respiratory tract is intimately in contact with the cardiovascular system?


A) lungs
B) bronchial tree
C) trachea
D) esophagus
E) sinus cavity

F) B) and E)
G) C) and D)

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If you force inspiration, how much more air can you breathe in than the tidal volume?


A) two times
B) three times
C) four times
D) five times
E) six times

F) B) and C)
G) B) and D)

Correct Answer

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During respiration, what is the additional amount of air that can be exhaled from the lungs during an extra deep exhalation called? This volume is usually around 1,400 ml.


A) expiratory reserve volume
B) inspiratory reserve volume
C) residual volume
D) vital capacity
E) tidal volume

F) B) and D)
G) D) and E)

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Chemoreceptors for blood pH are located in the brain stem and the lungs.

A) True
B) False

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The role of the respiratory system is to ensure that oxygen leaves the body and carbon dioxide enters the body.

A) True
B) False

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