Question 1

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

Accepted Answer

A)   pharynx
B)   larynx
C)   glottis
D)   trachea
E)   epiglottisF) None of the above
G) A) and B)

Question 2

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.F) A) and E)
G) A) and D)

Question 3

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 tissuesF) A) and E)
G) B) and E)

Question 4

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.F) A) and E)
G) A) and D)

Question 5

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.F) B) and E)
G) C) and E)

Question 6

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.F) A) and B)
G) C) and D)

Question 7

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)   noseF) B) and C)
G) A) and B) B

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

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

Accepted Answer

A) True 
 B)False  False

Question 10

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 sameF) A) and B)
G) C) and E)

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

Which disease is triggered by allergies?

Accepted Answer

A)   otitis media
B)   laryngitis
C)   asthma
D)   pneumonia
E)   emphysemaF) B) and C)
G) A) and E)

Question 13

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.F) B) and E)
G) A) and D)

Question 14

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

Accepted Answer

A) True 
 B)False

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.F) A) and E)
G) A) and D)

Question 16

Cystic fibrosis is caused by a defective gene.

Accepted Answer

A) True 
 B)False

Question 17

-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)   5F) A) and C)
G) A) and B)

Question 18

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 epitheliumF) B) and D)
G) A) and E) A

Question 19

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)   pneumoniaF) A) and E)
G) B) and C)

Question 20

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 wallsF) B) and C)
G) A) and B)

Exam 15: Respiratory System

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

Correct AnswerverifiedShow Answer

A voice changes from high to low pitch in speaking by

Correct AnswerverifiedShow Answer

What components does respiration include?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Aortic and carotid bodies are

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedB

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedFalse

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which disease is triggered by allergies?

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which statement correctly describes air movement along the respiratory tract?

Correct AnswerverifiedShow Answer

Cystic fibrosis is caused by a defective gene.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedA

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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B

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False

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A

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