Question 1

From the inside of the lungs, what is the first cell type the air must pass through to reach the blood?

Accepted Answer

A)  simple squamous epithelium 
B)  cartilage 
C)  muscle 
D)  red blood cells 
E)  pseudostratified ciliated columnar epithelium 
A)  simple squamous epithelium 
B)  cartilage 
C)  muscle 
D)  red blood cells 
E)  pseudostratified ciliated columnar epithelium A

Question 2

You are looking at a structure in the respiratory tract that is filled with small sacs or air pockets. What structure are you looking at?

Accepted Answer

A)  bronchi 
B)  alveoli 
C)  larynx 
D)  pharynx 
E)  nose 
A)  bronchi 
B)  alveoli 
C)  larynx 
D)  pharynx 
E)  nose B

Question 3

All of the disorders of the respiratory system are due to infectious diseases.

Accepted Answer

A) True 
 B)False  False

Question 4

Sarah comes home from school with a horrible pressure behind her eyes. Her nose is running and she has a headache. She recently had a cold. What is Sarah most likely suffering from?

Accepted Answer

A)  otitis media 
B)  sinusitis 
C)  bronchitis 
D)  asthma 
E)  pneumonia 
A)  otitis media 
B)  sinusitis 
C)  bronchitis 
D)  asthma 
E)  pneumonia

Question 5

The entrance and exit of air into and out of the lungs is called

Accepted Answer

A)  ventilation. 
B)  external respiration. 
C)  internal respiration. 
D)  cellular respiration. 
E)  inspiration. 
A)  ventilation. 
B)  external respiration. 
C)  internal respiration. 
D)  cellular respiration. 
E)  inspiration.

Question 6

A voice changes from high to low pitch in speaking by

Accepted Answer

A)  changing the volume of air that flows across the vocal cords. 
B)  controlling the growth of the tissue. 
C)  increasing the amplitude of the vocal cord vibrations. 
D)  changing the tension on the vocal cords. 
E)  changing the tension on the epiglottis. 
A)  changing the volume of air that flows across the vocal cords. 
B)  controlling the growth of the tissue. 
C)  increasing the amplitude of the vocal cord vibrations. 
D)  changing the tension on the vocal cords. 
E)  changing the tension on the epiglottis.

Question 7

Cystic fibrosis is caused by a defective gene.

Accepted Answer

A) True 
 B)False

Question 8

What components does respiration include?

Accepted Answer

A)  only the exchange of oxygen in the lungs 
B)  exchange of gases in the lungs and in the tissues 
C)  only the exchange of oxygen in the tissues 
D)  only exchange of carbon dioxide in the lungs 
E)  only the exchange of carbon dioxide in the tissues 
A)  only the exchange of oxygen in the lungs 
B)  exchange of gases in the lungs and in the tissues 
C)  only the exchange of oxygen in the tissues 
D)  only exchange of carbon dioxide in the lungs 
E)  only the exchange of carbon dioxide in the tissues

Question 9

The majority of cases of lung cancer are associated with smoking.

Accepted Answer

A) True 
 B)False

Question 10

What happens to the pH of the bloodstream if a person hypoventilates?

Accepted Answer

A)  The pH of the blood will become more acidic. 
B)  The pH of the blood will increase. 
C)  The pH of the blood will initially increase and then dramatically decrease. 
D)  The pH of the blood will initially decrease and then dramatically increase. 
E)  Nothing will happen to the pH of the blood. 
A)  The pH of the blood will become more acidic. 
B)  The pH of the blood will increase. 
C)  The pH of the blood will initially increase and then dramatically decrease. 
D)  The pH of the blood will initially decrease and then dramatically increase. 
E)  Nothing will happen to the pH of the blood.

Question 11

Compared to outside air, describe the air that reaches the lungs.

Accepted Answer

A)  warmer and with more moisture 
B)  warmer and with less moisture 
C)  cooler and with more moisture 
D)  cooler and with less moisture 
E)  exactly the same 
A)  warmer and with more moisture 
B)  warmer and with less moisture 
C)  cooler and with more moisture 
D)  cooler and with less moisture 
E)  exactly the same

Question 12

Phillip is breathing at approximately 40 ventilations per minute. What is the respiratory center indicating?

Accepted Answer

A)  low oxygen concentration in the lungs 
B)  high carbon dioxide concentration in the blood 
C)  low oxygen concentration in the blood 
D)  the firing of the intercostal nerves 
E)  stretch receptors in the alveolar walls 
A)  low oxygen concentration in the lungs 
B)  high carbon dioxide concentration in the blood 
C)  low oxygen concentration in the blood 
D)  the firing of the intercostal nerves 
E)  stretch receptors in the alveolar walls

Question 13

Aortic and carotid bodies are

Accepted Answer

A)  the same as the SA and AV nodes. 
B)  types of valves in the heart. 
C)  present in the lungs. 
D)  sensitive to changes in CO2 and H+ in the blood. 
E)  sensitive to oxygen changes. 
A)  the same as the SA and AV nodes. 
B)  types of valves in the heart. 
C)  present in the lungs. 
D)  sensitive to changes in CO2 and H+ in the blood. 
E)  sensitive to oxygen changes.

Question 14

If a lung is punctured in a car accident, that lobe fails to inflate even though there is no obstruction of the air passageway to that lobe. Why?

Accepted Answer

A)  The trauma must have damaged the nerve path controlling ribs on that side of the lung. 
B)  Negative feedback prevents the ribs and diaphragm on that side from causing pain. 
C)  When the chest volume expands, air can now rush in through the puncture without filling the alveoli. 
D)  Mucus or blood must be filling the lobe. 
E)  Stimulation of stretch receptors in the alveolar walls initiate inhibitory nerve impulses. 
A)  The trauma must have damaged the nerve path controlling ribs on that side of the lung. 
B)  Negative feedback prevents the ribs and diaphragm on that side from causing pain. 
C)  When the chest volume expands, air can now rush in through the puncture without filling the alveoli. 
D)  Mucus or blood must be filling the lobe. 
E)  Stimulation of stretch receptors in the alveolar walls initiate inhibitory nerve impulses.

Question 15

Which statement correctly describes air movement along the respiratory tract?

Accepted Answer

A)  Cilia and hairs in the bronchi help to screen out foreign particles in the air. 
B)  Food and air both enter through the larynx, presenting a potential danger to respiration. 
C)  Air reaching the lungs has been warmed to body temperature by passage through the nose and upper respiratory system. 
D)  The epiglottis is the passageway through the larynx by which air enters the trachea. 
E)  The bronchi serve as passageways into the trachea. 
A)  Cilia and hairs in the bronchi help to screen out foreign particles in the air. 
B)  Food and air both enter through the larynx, presenting a potential danger to respiration. 
C)  Air reaching the lungs has been warmed to body temperature by passage through the nose and upper respiratory system. 
D)  The epiglottis is the passageway through the larynx by which air enters the trachea. 
E)  The bronchi serve as passageways into the trachea.

Question 16

Which disease is triggered by allergies?

Accepted Answer

A)  otitis media 
B)  laryngitis 
C)  asthma 
D)  pneumonia 
E)  emphysema 
A)  otitis media 
B)  laryngitis 
C)  asthma 
D)  pneumonia 
E)  emphysema

Question 17

You should treat the common cold with antibiotics to shorten the duration of symptoms.

Accepted Answer

A) True 
 B)False

Question 18

Which portion of the respiratory tract is commonly referred to as the "throat"?

Accepted Answer

A)  pharynx 
B)  larynx 
C)  glottis 
D)  trachea 
E)  epiglottis 
A)  pharynx 
B)  larynx 
C)  glottis 
D)  trachea 
E)  epiglottis

Question 19

Most respiratory infections are caused by viruses and can successfully be treated with antibiotics.

Accepted Answer

A) True 
 B)False

Question 20

-The exchange of oxygen and carbon dioxide occurs at which location in Figure 15.1?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Exam 15: Respiratory System

From the inside of the lungs, what is the first cell type the air must pass through to reach the blood?

You are looking at a structure in the respiratory tract that is filled with small sacs or air pockets. What structure are you looking at?

All of the disorders of the respiratory system are due to infectious diseases.

Sarah comes home from school with a horrible pressure behind her eyes. Her nose is running and she has a headache. She recently had a cold. What is Sarah most likely suffering from?

The entrance and exit of air into and out of the lungs is called

A voice changes from high to low pitch in speaking by

Cystic fibrosis is caused by a defective gene.

What components does respiration include?

The majority of cases of lung cancer are associated with smoking.

What happens to the pH of the bloodstream if a person hypoventilates?

Compared to outside air, describe the air that reaches the lungs.

Phillip is breathing at approximately 40 ventilations per minute. What is the respiratory center indicating?

Aortic and carotid bodies are

If a lung is punctured in a car accident, that lobe fails to inflate even though there is no obstruction of the air passageway to that lobe. Why?

Which statement correctly describes air movement along the respiratory tract?

Which disease is triggered by allergies?

You should treat the common cold with antibiotics to shorten the duration of symptoms.

Which portion of the respiratory tract is commonly referred to as the "throat"?

Most respiratory infections are caused by viruses and can successfully be treated with antibiotics.

-The exchange of oxygen and carbon dioxide occurs at which location in Figure 15.1?

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