Question 1

Humans inhale by negative pressure.

Accepted Answer

A) True 
 B)False

Question 2

Some of the inhaled air never reaches the lungs.

Accepted Answer

A) True 
 B)False

Question 3

What is missing in infant respiratory distress syndrome?

Accepted Answer

A)  bronchioles
B)  pleura
C)  one or more lobes of the lung
D)  alveoli
E)  surfactantF) B) and C)
G) A) and C)

Question 4

Which structure is the initial entry way for air to enter the respiratory system?

Accepted Answer

A)  nose
B)  trachea
C)  lungs
D)  pharynx
E)  esophagusF) A) and C)
G) A) and B)

Question 5

Explain the nervous system's control of the respiratory system.

Accepted Answer

The rhythm of ventilation is controlled ...

Question 6

Which of the following is not part of the lower respiratory tract?

Accepted Answer

A)  bronchi
B)  lungs
C)  alveoli
D)  trachea
E)  larynxF) A) and E)
G) A) and B)

Question 7

Which reaction does carbonic anhydrase catalyze?

Accepted Answer

A)  H+ + HCO3-  →\rarr→ H2CO3
B)  H2CO3  →\rarr→ H2O + CO2
C)  Hb + O2  →\rarr→ HbO2
D)  HbO2  →\rarr→  Hb + O2
E)  None of thesE. F) A) and C)
G) A) and D)

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

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

Accepted Answer

A)  laryngitis
B)  strep throat
C)  tonsilitis
D)  otitis media
E)  bronchitisF) C) and D)
G) None of the above

Question 10

The respiratory is unlike the digestive system in that air comes in and out the same opening.

Accepted Answer

A) True 
 B)False

Question 11

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

Accepted Answer

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

Question 12

If it were not for the nasal cavity,

Accepted Answer

A)  we would not be able to speak.
B)  more debris would enter the lungs.
C)  oxygen would not be exchanged in the alveoli.
D)  food would go down the wrong pipe.
E)  air would not be conducted to the lungs.F) B) and C)
G) D) and E)

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

How does the respiratory center control the diaphragm?

Accepted Answer

A)  via the blood carbon dioxide level
B)  via the blood pH
C)  via the intercostal nerves
D)  via the phrenic nerve
E)  via the vagus nerveF) B) and C)
G) C) and D)

Question 15

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) None of the above
G) All of the above

Question 16

The total cross sectional area of the alveoli is about the size of a textbook.

Accepted Answer

A) True 
 B)False

Question 17

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

Accepted Answer

A)  diaphragm
B)  lung
C)  trachea
D)  larynx
E)  glottisF) C) and D)
G) A) and E)

Question 18

The epiglottis is the slit between the vocal cords.

Accepted Answer

A) True 
 B)False

Question 19

How does breathing at a very low rate affect the reaction H+ + HCO3-  →\rarr→ H2CO3  →\rarr→  H2O + CO2 ?

Accepted Answer

A)  pushes it to the right
B)  pushes it to the left
C)  does not affect it
D)  increases the rate at which it occurs
E)  decreases the rate at which it occurs F) B) and E)
G) A) and D)

Question 20

Can you hold your breath until you die?

Accepted Answer

No.You can hold you...

Exam 10: Respiratory System

Humans inhale by negative pressure.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which reaction does carbonic anhydrase catalyze?

Correct AnswerverifiedShow Answer

How does breathing at a very low rate affect the reaction H+ + HCO3- →\rarr→ H2CO3 →\rarr→ H2O + CO2 ?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Can you hold your breath until you die?

Correct Answerverified No.You can hold you...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

If it were not for the nasal cavity,

Correct AnswerverifiedShow Answer

Some of the inhaled air never reaches the lungs.

Correct AnswerverifiedShow Answer

What is missing in infant respiratory distress syndrome?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The epiglottis is the slit between the vocal cords.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The respiratory is unlike the digestive system in that air comes in and out the same opening.

Correct AnswerverifiedShow Answer

How does the respiratory center control the diaphragm?

Correct AnswerverifiedShow Answer

Explain the nervous system's control of the respiratory system.

Correct AnswerverifiedThe rhythm of ventilation is controlled ...View AnswerShow Answer

Which of the following is not part of the lower respiratory tract?

Correct AnswerverifiedShow Answer

Which structure is the initial entry way for air to enter the respiratory system?

Correct AnswerverifiedShow Answer

The total cross sectional area of the alveoli is about the size of a textbook.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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How does breathing at a very low rate affect the reaction H⁺ + HCO₃^- $\rarr$ H₂CO₃ $\rarr$ H₂O + CO₂ ?

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No.You can hold you...
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The rhythm of ventilation is controlled ...
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