Question 1

Why is the actual flow of air into the alveoli during inspiration passive?

Accepted Answer

A)   because there is a continuous column of air from the pharynx to the alveoli
B)   because the lungs are surrounded by the thoracic wall
C)   because the alveoli have a very large surface area
D)   because the intercostal muscles are involved
E)   because the diaphragm is involvedF) A) and B)
G) C) and D)

Question 2

The vital capacity is equal to the

Accepted Answer

A)   maximum amount of air that can be moved in during a single breath.
B)   maximum amount of air that can be moved out during a single breath.
C)   maximum amount of air that can be moved in and the maximum amount that can be moved out during a single breath.
D)   amount of air left in the lungs after a single breath.
E)   amount of air that comes in during a single breath.F) C) and D)
G) A) and C)

Question 3

Which type of infecting organism causes strep throat?

Accepted Answer

A)   bacterium
B)   virus
C)   fungus
D)   parasitic worm
E)   protistF) B) and C)
G) A) and E)

Question 4

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.

Accepted Answer

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

Question 5

When the pH of the blood becomes more acidic, the respiratory center

Accepted Answer

A)   increases the rate and depth of breathing.
B)   increases the rate of breathing but decreases the depth.
C)   decreases the rate of breathing but increases the depth.
D)   decreases the rate and depth of breathing.
E)   stops breathing altogether.F) A) and D)
G) All of the above A

Question 6

Where is the respiratory control center located?

Accepted Answer

A)   in the brain
B)   in the bronchi
C)   in the lungs
D)   in the aorta
E)   in the diaphragmF) A) and D)
G) C) and D)

Question 7

One of the main symptoms of a sinus infection is hoarseness.

Accepted Answer

A) True 
 B)False

Question 8

What do inspiration and expiration have in common?

Accepted Answer

A)   They both use the same pathways.
B)   They both involve air traveling in the same direction.
C)   They both end in the lungs.
D)   They both conduct air from the outside.
E)   They both remove wastes from tissues.F) A) and B)
G) A) and C)

Question 9

Which part of the respiratory system carries out gas exchange?

Accepted Answer

A)   bronchus
B)   larynx
C)   nasal cavity
D)   lungs
E)   diaphragmF) C) and E)
G) A) and B)

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

Which of the following infections does not affect a structure in the respiratory tract?

Accepted Answer

A)   laryngitis
B)   strep throat
C)   tonsillitis
D)   otitis media
E)   bronchitisF) A) and B)
G) A) and C)

Question 12

The trachea and upper bronchial tree are similar in that both are held open by cartilaginous rings.

Accepted Answer

A) True 
 B)False

Question 13

The epiglottis is the slit between the vocal cords.

Accepted Answer

A) True 
 B)False

Question 14

An X-ray revealed that Josh's lungs were filled with fluid. What is the proper diagnosis of Josh's illness?

Accepted Answer

A)   bronchitis
B)   emphysema
C)   asthma
D)   pulmonary fibrosis
E)   pneumoniaF) A) and C)
G) D) and E) E

Question 15

What is the correct order of the steps in the progression of lung cancer in a smoker? 1. Cilia are lost
2)  There is a thickening and callusing of the cells lining the bronchi
3)  Metastasis occurs
4)  A tumor forms
5)  Cells with atypical nuclei appear

Accepted Answer

A)   1, 2, 3, 4, 5
B)   2, 1, 5, 4, 3
C)   5, 1, 2, 3, 4
D)   1, 2, 4, 3, 5
E)   2, 1, 4, 5, 3F) A) and D)
G) C) and E)

Question 16

The difference between a restrictive pulmonary disorder and an obstructive pulmonary disorder is that in
the restrictive disorder, the lungs lose their elasticity, while in an obstructive disorder, air does not flow freely in the airways.

Accepted Answer

A) True 
 B)False

Question 17

Which structure connects the larynx to the bronchial tree?

Accepted Answer

A)   trachea
B)   glottis
C)   lungs
D)   alveoli
E)   esophagusF) B) and E)
G) A) and B)

Question 18

Which of the following is not a lower respiratory infection?

Accepted Answer

A)   tuberculosis
B)   pneumonia
C)   bronchitis
D)   pulmonary fibrosis
E)   pulmonary tuberculosisF) A) and B)
G) B) and D) D

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

Even if you quit smoking, the damage to your lungs is already done and they will not return to normal.

Accepted Answer

A) True 
 B)False

Exam 10: Respiratory System

Why is the actual flow of air into the alveoli during inspiration passive?

Correct AnswerverifiedShow Answer

The vital capacity is equal to the

Correct AnswerverifiedShow Answer

Which type of infecting organism causes strep throat?

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

When the pH of the blood becomes more acidic, the respiratory center

Correct AnswerverifiedA

Where is the respiratory control center located?

Correct AnswerverifiedShow Answer

One of the main symptoms of a sinus infection is hoarseness.

Correct AnswerverifiedShow Answer

What do inspiration and expiration have in common?

Correct AnswerverifiedShow Answer

Which part of the respiratory system carries out gas exchange?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following infections does not affect a structure in the respiratory tract?

Correct AnswerverifiedShow Answer

The trachea and upper bronchial tree are similar in that both are held open by cartilaginous rings.

Correct AnswerverifiedShow Answer

The epiglottis is the slit between the vocal cords.

Correct AnswerverifiedShow Answer

An X-ray revealed that Josh's lungs were filled with fluid. What is the proper diagnosis of Josh's illness?

Correct AnswerverifiedE

What is the correct order of the steps in the progression of lung cancer in a smoker? 1. Cilia are lost 2) There is a thickening and callusing of the cells lining the bronchi 3) Metastasis occurs 4) A tumor forms 5) Cells with atypical nuclei appear

Correct AnswerverifiedShow Answer

The difference between a restrictive pulmonary disorder and an obstructive pulmonary disorder is that in the restrictive disorder, the lungs lose their elasticity, while in an obstructive disorder, air does not flow freely in the airways.

Correct AnswerverifiedShow Answer

Which structure connects the larynx to the bronchial tree?

Correct AnswerverifiedShow Answer

Which of the following is not a lower respiratory infection?

Correct AnswerverifiedD

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

Correct AnswerverifiedShow Answer

Even if you quit smoking, the damage to your lungs is already done and they will not return to normal.

Correct AnswerverifiedShow Answer

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A

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E

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D

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