Question 1

Identify the structures and disorders associated with the upper respiratory system.

Accepted Answer

The structures of the upper respiratory ...

Question 2

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

Question 3

Trace the path of an inhaled air molecule.

Accepted Answer

A)  nasal cavity  →\rightarrow→   glottis →\rightarrow→  larynx  →\rightarrow→   trachea  →\rightarrow→   pharynx  →\rightarrow→   bronchi  →\rightarrow→   bronchioles  →\rightarrow→   alveoli
B)  nasal cavity  →\rightarrow→    pharynx  →\rightarrow→   larynx  →\rightarrow→   glottis  →\rightarrow→   trachea  →\rightarrow→   bronchi →\rightarrow→   bronchioles  →\rightarrow→   alveoli
C)  nasal cavity →\rightarrow→   pharynx  →\rightarrow→  glottis  →\rightarrow→   larynx  →\rightarrow→   trachea  →\rightarrow→   bronchi  →\rightarrow→  bronchioles  →\rightarrow→   alveoli
D)  nasal cavity →\rightarrow→   pharynx  →\rightarrow→   glottis  →\rightarrow→  larynx →\rightarrow→  trachea  →\rightarrow→   bronchioles  →\rightarrow→   bronchi  →\rightarrow→   alveoli
E)  nasal cavity  →\rightarrow→   pharynx  →\rightarrow→   glottis  →\rightarrow→  trachea  →\rightarrow→  larynx  →\rightarrow→   bronchi  →\rightarrow→   bronchioles  →\rightarrow→   alveoli F) A) and B)
G) C) and E)

Question 4

Scientific studies have shown that which of the following is NOT associated with smoking?

Accepted Answer

A)  increased risk of lung cancer
B)  increased severity of allergies
C)  increased risk of ulcers
D)  increased risk of stroke
E)  increased risk of diabetesF) A) and B)
G) B) and E)

Question 5

In humans,the lungs inflate when the

Accepted Answer

A)  rib muscles contract.
B)  diaphragm muscle contracts.
C)  external intercostal rib muscles and diaphragm contract.
D)  diaphragm relaxes.
E)  rib muscles and diaphragm relax.F) B) and E)
G) A) and B)

Question 6

Which point in Figure 15.1 produces vocal sounds when air passes through it?

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  5F) C) and D)
G) D) and E)

Question 7

Which of the following diseases is caused by exposure to particles inhaled primarily in the workplace (silica,coal dust,etc.) ?

Accepted Answer

A)  emphysema
B)  pneumonia
C)  rheumatic fever
D)  tuberculosis
E)  pulmonary fibrosisF) C) and D)
G) B) and E)

Question 8

What keeps the alveoli open so that gas exchange can take place?

Accepted Answer

A)  rings of cartilage
B)  surfactant
C)  smooth muscle
D)  mucus
E)  airF) A) and E)
G) A) and D)

Question 9

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

Question 10

Which is NOT a major function of the respiratory tract?

Accepted Answer

A)  warming incoming air before it reaches the lungs
B)  moistening incoming air
C)  filtering out dust and water particles
D)  conducting air with higher O2 to lungs and conducting air with higher CO2 back out
E)  transferring and extracting nutrientsF) A) and E)
G) A) and D)

Question 11

The vocal cords are found in the

Accepted Answer

A)  bronchi.
B)  nose.
C)  larynx.
D)  lungs.
E)  pharynx.F) All of the above
G) B) and C) C

Question 12

The Adam's apple is actually a part of the

Accepted Answer

A)  pharynx.
B)  larynx.
C)  glottis.
D)  vocal cords.
E)  trachea.F) All of the above
G) C) and D)

Question 13

Blood in the pulmonary capillaries has a higher partial pressure of carbon dioxide than atmospheric air.

Accepted Answer

A) True 
 B)False  True

Question 14

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) D) and E)
G) B) and E)

Question 15

Which association is NOT correct?

Accepted Answer

A)  larynx-voice box
B)  trachea-windpipe
C)  alveoli-gas exchange
D)  pharynx-vocal cords
E)  hair and mucus-nasal passagesF) All of the above
G) C) and E)

Question 16

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) A) and D)
G) A) and C) C

Question 17

What happens to the blood pH if a person hyperventilates?

Accepted Answer

A)  The pH will increase.
B)  The pH will remain the same.
C)  The pH will decrease.
D)  The pH will initially increase but then dramatically decrease.
E)  The pH will initially decrease but then dramatically increase.F) B) and E)
G) A) and B)

Question 18

The breathing rate is controlled by chemoreceptors that detect

Accepted Answer

A)  levels of oxygen in the alveolar air space.
B)  levels of oxygen in the blood.
C)  levels of carbon dioxide in the alveolar air space.
D)  levels of carbon dioxide in the blood.
E)  level of stretching of the rib muscles and diaphragm.F) A) and E)
G) A) and C)

Question 19

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

Question 20

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

Exam 15: Respiratory System

Identify the structures and disorders associated with the upper respiratory system.

Correct AnswerverifiedThe structures of the upper respiratory ...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

Trace the path of an inhaled air molecule.

Correct AnswerverifiedShow Answer

Scientific studies have shown that which of the following is NOT associated with smoking?

Correct AnswerverifiedShow Answer

In humans,the lungs inflate when the

Correct AnswerverifiedShow Answer

Which point in Figure 15.1 produces vocal sounds when air passes through it?

Correct AnswerverifiedShow Answer

Which of the following diseases is caused by exposure to particles inhaled primarily in the workplace (silica,coal dust,etc.) ?

Correct AnswerverifiedShow Answer

What keeps the alveoli open so that gas exchange can take place?

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 AnswerverifiedShow Answer

Which is NOT a major function of the respiratory tract?

Correct AnswerverifiedShow Answer

The vocal cords are found in the

Correct AnswerverifiedC

The Adam's apple is actually a part of the

Correct AnswerverifiedShow Answer

Blood in the pulmonary capillaries has a higher partial pressure of carbon dioxide than atmospheric air.

Correct AnswerverifiedTrue

Aortic and carotid bodies are

Correct AnswerverifiedShow Answer

Which association is NOT correct?

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 AnswerverifiedC

What happens to the blood pH if a person hyperventilates?

Correct AnswerverifiedShow Answer

The breathing rate is controlled by chemoreceptors that detect

Correct AnswerverifiedShow Answer

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

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 AnswerverifiedShow Answer

Correct Answer
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C

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True

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C

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