Question 1

Surfactant is released to reduce surface tension in the alveoli.

Accepted Answer

A) True 
 B)False

Question 2

The basic pattern of inhalation and exhalation is controlled by a region at the base of the brain called the ________.

Accepted Answer

The answer of The basic pattern of inhalation and exhalation...

Question 3

The figure above shows the components of the respiratory system. Match each labeled structure (A-E) to its description.
-Site of external respiration; walls consist of one layer of squamous epithelial cells.

Accepted Answer

The answer of   The figure above shows the...

Question 4

Match each of the following disorders associated with the respiratory system with its description.
-inflammation of the epithelial membranes enclosing the lungs

Accepted Answer

A) mesothelioma 
B) congestive heart failure 
C) pneumothorax 
D) pneumonia 
E) botulism
F)pleurisy
G)emphysema 
A) mesothelioma 
B) congestive heart failure 
C) pneumothorax 
D) pneumonia 
E) botulism
F)pleurisy
G)emphysema

Question 5

Oxygen-rich blood flows through the heart

Accepted Answer

A)  by entering the right atrium and continuing through the aortic arch. 
B)  via the left atrium and ventricle before entering the systemic circuit. 
C)  on the left side of the heart following returning from the lungs via the pulmonary arteries. 
D)  right to left. 
E)  only through the coronary arteries. 
A)  by entering the right atrium and continuing through the aortic arch. 
B)  via the left atrium and ventricle before entering the systemic circuit. 
C)  on the left side of the heart following returning from the lungs via the pulmonary arteries. 
D)  right to left. 
E)  only through the coronary arteries.

Question 6

Match the following terms to their definitions.
-the air that remains in the lungs after a forceful exhalation

Accepted Answer

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

Question 7

Deoxygenated blood is transported to the pulmonary capillaries of the lungs by the pulmonary veins; oxygenated blood is transported away from the pulmonary capillaries by the pulmonary arteries.

Accepted Answer

A) True 
 B)False

Question 8

A small amount of fluid is contained in the pleural cavity to

Accepted Answer

A)  promote the exchange of nutrients with both lungs. 
B)  allow gas exchange between the lungs and the blood stream. 
C)  allow white blood cells and macrophages access to foreign antigens entering the body through air. 
D)  function as a lubricant as the lungs move during ventilation. 
E)  serve as a shock absorber for the lungs during body movement. 
A)  promote the exchange of nutrients with both lungs. 
B)  allow gas exchange between the lungs and the blood stream. 
C)  allow white blood cells and macrophages access to foreign antigens entering the body through air. 
D)  function as a lubricant as the lungs move during ventilation. 
E)  serve as a shock absorber for the lungs during body movement.

Question 9

During puberty, the increased production of testosterone in males causes the rapid enlargement of which one of the following structures of the respiratory system?

Accepted Answer

A)  pharynx 
B)  esophagus 
C)  larynx 
D)  bronchi 
E)  bronchioles 
A)  pharynx 
B)  esophagus 
C)  larynx 
D)  bronchi 
E)  bronchioles

Question 10

External respiration is the process of

Accepted Answer

A)  transporting gases in the blood stream to target cells. 
B)  exchanging air in lungs with the surrounding environment. 
C)  moving gases into or out of the blood stream within lung tissue. 
D)  gas uptake by target cells. 
E)  carbon dioxide release by cells into the bloodstream. 
A)  transporting gases in the blood stream to target cells. 
B)  exchanging air in lungs with the surrounding environment. 
C)  moving gases into or out of the blood stream within lung tissue. 
D)  gas uptake by target cells. 
E)  carbon dioxide release by cells into the bloodstream.

Question 11

The pleural cavity, which is located between the pleural membranes, contains small amounts of ________.

Accepted Answer

fluid (or

Question 12

The figure above depicts expiration.

Accepted Answer

A) True 
 B)False

Question 13

Match the following terms to their definitions.
-the amount of air entering the lungs with every breath

Accepted Answer

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

Question 14

Lung capacity is typically measured with the use of a spirometer.

Accepted Answer

A) True 
 B)False

Question 15

Longer vocal cords generate higher-pitched tones than longer ones.

Accepted Answer

A) True 
 B)False

Question 16

Bronchioles differ from bronchi in that they

Accepted Answer

A)  warm air to body temperature. 
B)  contain only smooth muscle. 
C)  filter and humidify air. 
D)  can have alveoli attached to them. 
E)  are lined by a ciliated epithelium. 
A)  warm air to body temperature. 
B)  contain only smooth muscle. 
C)  filter and humidify air. 
D)  can have alveoli attached to them. 
E)  are lined by a ciliated epithelium.

Question 17

During exhalation, the pressure inside the lungs

Accepted Answer

A)  initially is higher than atmospheric pressure, but drops as air leaves the body. 
B)  must be maintained higher than atmospheric pressure. 
C)  must be maintained lower than atmospheric pressure. 
D)  gradually elevates as air enters the lungs. 
E)  rapidly elevates. 
A)  initially is higher than atmospheric pressure, but drops as air leaves the body. 
B)  must be maintained higher than atmospheric pressure. 
C)  must be maintained lower than atmospheric pressure. 
D)  gradually elevates as air enters the lungs. 
E)  rapidly elevates.

Question 18

All of the following are TRUE regarding the effect of smoking on the respiratory system EXCEPT which one?

Accepted Answer

A)  The production of mucus increases in response to the presence of smoke. 
B)  Smoking destroys cilia lining the respiratory tract. 
C)  Particles and debris from the smoke accumulate in the mucus of the airway and increase the risk for infections by pathogens. 
D)  Antimicrobial compounds found in the respiratory mucus of smokers decrease the likelihood of infection. 
E)  "Smoker's cough" results from the heavy coughing that is necessary to clear accumulated mucus or particles from the airway. 
A)  The production of mucus increases in response to the presence of smoke. 
B)  Smoking destroys cilia lining the respiratory tract. 
C)  Particles and debris from the smoke accumulate in the mucus of the airway and increase the risk for infections by pathogens. 
D)  Antimicrobial compounds found in the respiratory mucus of smokers decrease the likelihood of infection. 
E)  "Smoker's cough" results from the heavy coughing that is necessary to clear accumulated mucus or particles from the airway.

Question 19

Carbaminohemoglobin differs from hemoglobin in that carbaminohemoglobin

Accepted Answer

A)  is found in blood plasma. 
B)  binds carbon monoxide instead of carbon dioxide. 
C)  is found in red blood cells. 
D)  is bound to carbon dioxide. 
E)  transports oxygen from the lungs to the cells. 
A)  is found in blood plasma. 
B)  binds carbon monoxide instead of carbon dioxide. 
C)  is found in red blood cells. 
D)  is bound to carbon dioxide. 
E)  transports oxygen from the lungs to the cells.

Question 20

The respiratory control center is located

Accepted Answer

A)  in the pulmonary veins. 
B)  in the pulmonary arteries. 
C)  in the medulla oblongata. 
D)  in the right lung. 
E)  throughout the arteries. 
A)  in the pulmonary veins. 
B)  in the pulmonary arteries. 
C)  in the medulla oblongata. 
D)  in the right lung. 
E)  throughout the arteries.

Exam 10: The Respiratory System: Exchange of Gases

Surfactant is released to reduce surface tension in the alveoli.

The basic pattern of inhalation and exhalation is controlled by a region at the base of the brain called the ________.

The figure above shows the components of the respiratory system. Match each labeled structure (A-E) to its description. -Site of external respiration; walls consist of one layer of squamous epithelial cells.

Match each of the following disorders associated with the respiratory system with its description. -inflammation of the epithelial membranes enclosing the lungs

Oxygen-rich blood flows through the heart

Match the following terms to their definitions. -the air that remains in the lungs after a forceful exhalation

Deoxygenated blood is transported to the pulmonary capillaries of the lungs by the pulmonary veins; oxygenated blood is transported away from the pulmonary capillaries by the pulmonary arteries.

A small amount of fluid is contained in the pleural cavity to

During puberty, the increased production of testosterone in males causes the rapid enlargement of which one of the following structures of the respiratory system?

External respiration is the process of

The pleural cavity, which is located between the pleural membranes, contains small amounts of ________.

The figure above depicts expiration.

Match the following terms to their definitions. -the amount of air entering the lungs with every breath

Lung capacity is typically measured with the use of a spirometer.

Longer vocal cords generate higher-pitched tones than longer ones.

Bronchioles differ from bronchi in that they

During exhalation, the pressure inside the lungs

All of the following are TRUE regarding the effect of smoking on the respiratory system EXCEPT which one?

Carbaminohemoglobin differs from hemoglobin in that carbaminohemoglobin

The respiratory control center is located

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