Question 1

What separates the lungs from the thoracic cavity?

Accepted Answer

A)   pleura
B)   alveoli
C)   cartilaginous rings
D)   bone
E)   skeletal muscleF) D) and E)
G) A) and E)

Question 2

Which reaction does carbonic anhydrase catalyze?

Accepted Answer

A)   H+ + HCO3- → H2CO3
B)   H2CO3 → H2O + CO2C) A) and B)
D) undefined

Question 3

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 4

The pharynx contains the vocal cords.

Accepted Answer

A) True 
 B)False

Question 5

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) A) and E)
G) None of the above

Question 6

When the glottis becomes narrower,

Accepted Answer

A)   the pitch of sound goes up.
B)   the pitch of sound goes down.C) A) and B)
D) undefined

Question 7

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) D) and E)
G) A) and E)

Question 8

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) C) and E)
G) B) and C)

Question 9

Carbonic anhydrase and carbaminohemoglobin are similar in that they are both enzymes involved in respiration.

Accepted Answer

A) True 
 B)False

Question 10

Carotid bodies and aortic bodies detect

Accepted Answer

A)   blood pH.
B)   oxygen blood levels.
C)   oxygen tissue levels.
D)   stretching of the lungs.
E)   the residual volume.F) A) and D)
G) None of the above

Question 11

Where in the lower respiratory tract would you find goblet cells?

Accepted Answer

A)   bronchial tree
B)   trachea
C)   lungsD) A) and B)
E) A) and C)

Question 12

Which of these lower respiratory diseases should be treated with antibiotics?

Accepted Answer

A)   pulmonary fibrosis
B)   pulmonary tuberculosis
C)   emphysema
D)   asthmaE) A) and B)
F) A) and C)

Question 13

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

Accepted Answer

A)   lungs
B)   bronchial tree
C)   tracheaD) A) and B)
E) All of the above

Question 14

Humans inhale by negative pressure.

Accepted Answer

A) True 
 B)False

Question 15

What diffuses from the air in the alveoli into the blood?

Accepted Answer

A)   oxygen
B)   carbon dioxide
C)   waterD) B) and C)
E) A) and C)

Question 16

Can you hold your breath until you die?

Accepted Answer

NO
Explanation: No. You can ho...

Question 17

The right lung is larger than the left lung.

Accepted Answer

A) True 
 B)False

Question 18

You cannot increase the amount of air you exhale.

Accepted Answer

A) True 
 B)False

Question 19

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) B) and E)
G) B) and C)

Question 20

Which way does the reaction H+ + HCO3- → H2CO3 → H2O + CO2 proceed in the lungs?

Accepted Answer

A)   to the right
B)   to the leftC) A) and B)
D) undefined

Exam 9: Respiratory System

Humans inhale by negative pressure.

Correct AnswerverifiedShow Answer

Carbonic anhydrase and carbaminohemoglobin are similar in that they are both enzymes involved in respiration.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What diffuses from the air in the alveoli into the blood?

Correct AnswerverifiedShow Answer

Carotid bodies and aortic bodies detect

Correct AnswerverifiedShow Answer

Can you hold your breath until you die?

Correct AnswerverifiedNOExplanation: No. You can ho...View AnswerShow Answer

Where in the lower respiratory tract would you find goblet cells?

Correct AnswerverifiedShow Answer

Which way does the reaction H+ + HCO3- → H2CO3 → H2O + CO2 proceed in the lungs?

Correct AnswerverifiedShow Answer

What separates the lungs from the thoracic cavity?

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 reaction does carbonic anhydrase catalyze?

Correct AnswerverifiedShow Answer

When the glottis becomes narrower,

Correct AnswerverifiedShow Answer

The right lung is larger than the left lung.

Correct AnswerverifiedShow Answer

If it were not for the nasal cavity,

Correct AnswerverifiedShow Answer

You cannot increase the amount of air you exhale.

Correct AnswerverifiedShow Answer

The pharynx contains the vocal cords.

Correct AnswerverifiedShow Answer

Which of these lower respiratory diseases should be treated with antibiotics?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

How does the respiratory center control the diaphragm?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
NO
Explanation: No. You can ho...
View Answer

Correct Answer
verified

Which way does the reaction H⁺ + HCO₃^- → H₂CO₃ → H₂O + CO₂ proceed in the lungs?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified