Question 1

Maximum voluntary ventilation (MVV) is the greatest amount of air that can be

Accepted Answer

A)  inspired and then expelled in 1 minute.
B)  expired in 1 second.
C)  held within the lungs for over 30 seconds.
D)  inspired in one breath (regardless of dead space) .E) A) and B)
F) B) and C)

Question 2

Into what region of the pharynx do auditory tubes open

Accepted Answer

A)  Oropharynx
B)  Nasopharynx
C)  LaryngopharynxD) B) and C)
E) A) and C)

Question 3

During quiet expiration,

Accepted Answer

A)  thoracic cavity volume decreases.
B)  the diaphragm and external intercostal muscles contract.
C)  inspiratory neurons in the VRG spontaneously depolarize.
D)  air moves from the atmosphere to the alveoli.E) B) and C)
F) C) and D)

Question 4

What changes in the blood levels of respiratory gases result from hyperventilation

Accepted Answer

A)  Oxygen and carbon dioxide levels rise.
B)  Oxygen and carbon dioxide levels fall.
C)  Oxygen levels rise and carbon dioxide levels fall.
D)  Oxygen levels do not change but carbon dioxide levels fall.E) All of the above
F) A) and D)

Question 5

-In this sagittal section showing the upper respiratory tract,what number indicates a nasal concha

Accepted Answer

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

Question 6

What is the name of the column of neurons within the medulla that initiates neural impulses for inspiration and expiration

Accepted Answer

A)  Pontine respiratory center
B)  Ventral respiratory group
C)  Dorsal respiratory group
D)  Phrenic nucleusE) All of the above
F) C) and D)

Question 7

The main stimulus that drives increased breathing during exercise is a drop in blood levels of oxygen.

Accepted Answer

A) True 
 B)False

Question 8

An increase in dead space results in

Accepted Answer

A)  increases in both alveolar and pulmonary ventilation.
B)  decreases in both alveolar and pulmonary ventilation.
C)  a decrease in alveolar ventilation but no change in pulmonary ventilation.
D)  an increase in alveolar ventilation but a decrease in pulmonary ventilation.
E)  a decrease in alveolar ventilation but an increase in pulmonary ventilation.F) A) and E)
G) B) and D)

Question 9

According to Boyle's law,the pressure of a gas _________ if the volume of its container increases.

Accepted Answer

A)  increases
B)  decreases
C)  remains the sameD) B) and C)
E) A) and C)

Question 10

The left primary bronchus is shorter,wider,and more vertically oriented than the right primary bronchus.

Accepted Answer

A) True 
 B)False

Question 11

-Which sinus does the number 4 indicate

Accepted Answer

A)  Frontal sinus
B)  Maxillary sinus
C)  Ethmoidal sinus
D)  Sphenoidal sinus
E)  Sagittal sinusF) B) and C)
G) A) and E)

Question 12

These muscles extend from a superior rib inferomedially to the adjacent inferior rib.They elevate the ribs upon contraction,thereby increasing the transverse dimensions of the thoracic cavity during inhalation.

Accepted Answer

A)  External intercostals
B)  Scalenes
C)  Transversus thoracis
D)  Internal intercostals
E)  Serratus posterior inferiorF) A) and B)
G) None of the above

Question 13

-In these views of the trachea,what structure does number 2 indicate

Accepted Answer

A)  Trachealis muscle
B)  Thyroid cartilage
C)  Cricoid cartilage
D)  Anular ligament
E)  Tracheal cartilageF) C) and D)
G) None of the above

Question 14

-In this view of the larynx,what structure does number 5 indicate

Accepted Answer

A)  Tracheal cartilage
B)  Thyroid cartilage
C)  Epiglottis
D)  Cricoid cartilage
E)  Corniculate cartilageF) A) and E)
G) C) and D)

Question 15

Parasympathetic innervation to the lungs is from the ________ nerves.or
or
or

Accepted Answer

vagus10th ...

Question 16

The larynx is supported by nine pieces of cartilage.Which cartilages occur in pairs

Accepted Answer

A)  Thyroid and corniculate
B)  Corniculate and cricoid
C)  Cricoid,corniculate,and arytenoid
D)  Corniculate,cuneiform,and arytenoid
E)  Arytenoid and epiglottisF) B) and E)
G) A) and B)

Question 17

The phrenic and intercostal nerves are made up primarily of autonomic nerves for smooth muscle control.

Accepted Answer

A) True 
 B)False

Question 18

On each side of the chest,the _________ pleura lines the internal thoracic wall and the __________ pleura tightly covers the lung.

Accepted Answer

A)  thoracic;pulmonary
B)  parietal;visceral
C)  visceral;parietal
D)  fibrous;serous
E)  respiratory;pleuralF) B) and E)
G) B) and D)

Question 19

-In this closeup image of a lung,what structures are indicated by number 4

Accepted Answer

A)  Respiratory bronchioles
B)  Alveolar ducts
C)  Alveoli
D)  Terminal bronchioles
E)  BronchiolesF) B) and D)
G) A) and C)

Question 20

Organize the items listed into the proper sequence of events for gas exchange.
A: O2is transported to cells by circulatory system.
B: O2is drawn into the lungs during inhalation.
C: Cells use O2and generate CO2.d: CO2is exhaled.
E: The circulatory system transports CO2to the lungs.

Accepted Answer

A)  a,b,c,d,e
B)  b,a,c,d,e
C)  b,a,c,e,d
D)  c,e,d,a,b
E)  e,d,c,b,aF) C) and E)
G) A) and D)

Exam 23: Respiratory System

What is the name of the column of neurons within the medulla that initiates neural impulses for inspiration and expiration

Correct AnswerverifiedShow Answer

Organize the items listed into the proper sequence of events for gas exchange. A: O2is transported to cells by circulatory system. B: O2is drawn into the lungs during inhalation. C: Cells use O2and generate CO2.d: CO2is exhaled. E: The circulatory system transports CO2to the lungs.

Correct AnswerverifiedShow Answer

During quiet expiration,

Correct AnswerverifiedShow Answer

The phrenic and intercostal nerves are made up primarily of autonomic nerves for smooth muscle control.

Correct AnswerverifiedShow Answer

An increase in dead space results in

Correct AnswerverifiedShow Answer

-In this closeup image of a lung,what structures are indicated by number 4

Correct AnswerverifiedShow Answer

According to Boyle's law,the pressure of a gas _________ if the volume of its container increases.

Correct AnswerverifiedShow Answer

-In this view of the larynx,what structure does number 5 indicate

Correct AnswerverifiedShow Answer

-Which sinus does the number 4 indicate

Correct AnswerverifiedShow Answer

The larynx is supported by nine pieces of cartilage.Which cartilages occur in pairs

Correct AnswerverifiedShow Answer

These muscles extend from a superior rib inferomedially to the adjacent inferior rib.They elevate the ribs upon contraction,thereby increasing the transverse dimensions of the thoracic cavity during inhalation.

Correct AnswerverifiedShow Answer

What changes in the blood levels of respiratory gases result from hyperventilation

Correct AnswerverifiedShow Answer

Into what region of the pharynx do auditory tubes open

Correct AnswerverifiedShow Answer

The main stimulus that drives increased breathing during exercise is a drop in blood levels of oxygen.

Correct AnswerverifiedShow Answer

-In this sagittal section showing the upper respiratory tract,what number indicates a nasal concha

Correct AnswerverifiedShow Answer

Maximum voluntary ventilation (MVV) is the greatest amount of air that can be

Correct AnswerverifiedShow Answer

On each side of the chest,the _________ pleura lines the internal thoracic wall and the __________ pleura tightly covers the lung.

Correct AnswerverifiedShow Answer

-In these views of the trachea,what structure does number 2 indicate

Correct AnswerverifiedShow Answer

Parasympathetic innervation to the lungs is from the ________ nerves.or or or

Correct Answerverifiedvagus10th ...View AnswerShow Answer

The left primary bronchus is shorter,wider,and more vertically oriented than the right primary bronchus.

Correct AnswerverifiedShow Answer

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Organize the items listed into the proper sequence of events for gas exchange. A: O₂is transported to cells by circulatory system. B: O₂is drawn into the lungs during inhalation. C: Cells use O₂and generate CO_2.d: CO₂is exhaled. E: The circulatory system transports CO₂to the lungs.

Correct Answer
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On each side of the chest,the _ pleura lines the internal thoracic wall and the __ pleura tightly covers the lung.

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Correct Answer
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vagus10th ...
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