Question 1

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 nerve 
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 nerve

Question 2

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 involved 
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 involved

Question 3

You cannot increase the amount of air you exhale.

Accepted Answer

A) True 
 B)False

Question 4

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

Accepted Answer

A)  bronchial tree 
B)  trachea 
C)  lungs 
A)  bronchial tree 
B)  trachea 
C)  lungs

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

When the glottis becomes narrower,

Accepted Answer

A)  the pitch of sound goes up. 
B)  the pitch of sound goes down. 
A)  the pitch of sound goes up. 
B)  the pitch of sound goes down.

Question 7

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

Accepted Answer

A)  oxygen 
B)  carbon dioxide 
C)  water 
A)  oxygen 
B)  carbon dioxide 
C)  water

Question 8

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

Accepted Answer

A)  pulmonary fibrosis 
B)  pulmonary tuberculosis 
C)  emphysema 
D)  asthma 
A)  pulmonary fibrosis 
B)  pulmonary tuberculosis 
C)  emphysema 
D)  asthma

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)  bronchitis 
A)  laryngitis 
B)  strep throat 
C)  tonsilitis 
D)  otitis media 
E)  bronchitis

Question 10

Humans inhale by negative pressure.

Accepted Answer

A) True 
 B)False

Question 11

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 12

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. 
A)  blood pH. 
B)  oxygen blood levels. 
C)  oxygen tissue levels. 
D)  stretching of the lungs. 
E)  the residual volume.

Question 13

The right lung is larger than the left lung.

Accepted Answer

A) True 
 B)False

Question 14

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

Accepted Answer

A)  lungs 
B)  bronchial tree 
C)  trachea 
A)  lungs 
B)  bronchial tree 
C)  trachea

Question 15

Which reaction does carbonic anhydrase catalyze?

Accepted Answer

A)  H+ + HCO3- → H2CO3 
B)  H2CO3 → H2O + CO2 
A)  H+ + HCO3- → H2CO3 
B)  H2CO3 → H2O + CO2

Question 16

Can you hold your breath until you die?

Accepted Answer

NO
Explanation: No. You can ho

Question 17

What separates the lungs from the thoracic cavity?

Accepted Answer

A)  pleura 
B)  alveoli 
C)  cartilaginous rings 
D)  bone 
E)  skeletal muscle 
A)  pleura 
B)  alveoli 
C)  cartilaginous rings 
D)  bone 
E)  skeletal muscle

Question 18

The pharynx contains the vocal cords.

Accepted Answer

A) True 
 B)False

Question 19

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. 
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.

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 left 
A)  to the right 
B)  to the left

Exam 9: Respiratory System

How does the respiratory center control the diaphragm?

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

You cannot increase the amount of air you exhale.

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

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

When the glottis becomes narrower,

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

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

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

Humans inhale by negative pressure.

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

Carotid bodies and aortic bodies detect

The right lung is larger than the left lung.

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

Which reaction does carbonic anhydrase catalyze?

Can you hold your breath until you die?

What separates the lungs from the thoracic cavity?

The pharynx contains the vocal cords.

If it were not for the nasal cavity,

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

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