Question 1

Which reflex or center allows conscious, voluntary control over breathing?

Accepted Answer

A)   hypothalamus
B)   pons
C)   cerebellum
D)   cerebral cortexE) B) and C)
F) None of the above

Question 2

What is the term for the C-fibers located near the alveolar capillaries?

Accepted Answer

A)   A-receptors
B)   L receptors
C)   J-receptors
D)   D-receptorsE) B) and C)
F) C) and D)

Question 3

What are the divisions of the pontine respiratory centers?

Accepted Answer

A)   VRG and apneustic center
B)   DRG and apneustic center
C)   PRG and apneustic center
D)   PRG and proprioceptor centerE) A) and B)
F) B) and C)

Question 4

Which of the following can stimulate the J-receptors?
I. Alveolar inflammation
II. Pulmonary capillary edema
III. Pulmonary emboli
IV. Hypercapnia

Accepted Answer

A)   I and III only
B)   I, II, and III only
C)   I, II, II, and IV only
D)   II and III onlyE) B) and C)
F) None of the above

Question 5

What effect will a complete injury above C3-C5 have on a patient's spontaneous ventilation?

Accepted Answer

A)   complete diaphragmatic paralysis would result, and the patient would require mechanical ventilation
B)   patient would require supplemental oxygen but would still be able to breathe spontaneously
C)   ventilation would be unaffected since the respiratory centers are safely located in the brain
D)   partial diaphragmatic paralysis would result and the patient would initially require mechanical ventilationE) B) and C)
F) A) and D)

Question 6

Where are the central chemoreceptors located?

Accepted Answer

A)   lateral and ventral portion of the pons
B)   aortic arch and carotid bodies
C)   lateral and ventral portion of the medulla oblongata.
D)   lateral walls of cerebral cortexE) A) and B)
F) B) and D)

Question 7

Which of the following can stimulate the peripheral chemoreceptors?
I. Hypoperfusion
II. Increased temperature
III. Nicotine

Accepted Answer

A)   I only
B)   I, II, and III
C)   II only
D)   I and III onlyE) B) and C)
F) All of the above

Question 8

Which portion of the brain controls the rhythmicity of respiration?

Accepted Answer

A)   cerebral cortex
B)   medulla oblongata
C)   cerebellum
D)   ponsE) B) and C)
F) B) and D)

Question 9

Where are the peripheral chemoreceptors located?

Accepted Answer

A)   lateral walls of pons
B)   lateral walls of medulla oblongata
C)   femoral arteries and aortic arch
D)   aortic arch and carotid arteriesE) A) and B)
F) None of the above

Question 10

Which nerve transmits afferent signals from the aortic bodies to the medulla?

Accepted Answer

A)   XI cranial nerve
B)   phrenic
C)   IX cranial nerve
D)   X cranial nerveE) A) and C)
F) None of the above

Exam 9: Control of Ventilation

Which portion of the brain controls the rhythmicity of respiration?

Correct Answer
verified

Where are the central chemoreceptors located?

Correct Answer
verified

Which reflex or center allows conscious, voluntary control over breathing?

Correct Answer
verified

Which of the following can stimulate the peripheral chemoreceptors? I. Hypoperfusion II. Increased temperature III. Nicotine

Correct Answer
verified

What is the term for the C-fibers located near the alveolar capillaries?

Correct Answer
verified

What effect will a complete injury above C3-C5 have on a patient's spontaneous ventilation?

Correct Answer
verified

Which of the following can stimulate the J-receptors? I. Alveolar inflammation II. Pulmonary capillary edema III. Pulmonary emboli IV. Hypercapnia

Correct Answer
verified

What are the divisions of the pontine respiratory centers?

Correct Answer
verified

Which nerve transmits afferent signals from the aortic bodies to the medulla?

Correct Answer
verified

Where are the peripheral chemoreceptors located?

Correct Answer
verified

Exam 9: Control of Ventilation

Which portion of the brain controls the rhythmicity of respiration?

Correct AnswerverifiedShow Answer

Where are the central chemoreceptors located?

Correct AnswerverifiedShow Answer

Which reflex or center allows conscious, voluntary control over breathing?

Correct AnswerverifiedShow Answer

Which of the following can stimulate the peripheral chemoreceptors? I. Hypoperfusion II. Increased temperature III. Nicotine

Correct AnswerverifiedShow Answer

What is the term for the C-fibers located near the alveolar capillaries?

Correct AnswerverifiedShow Answer

What effect will a complete injury above C3-C5 have on a patient's spontaneous ventilation?

Correct AnswerverifiedShow Answer

Which of the following can stimulate the J-receptors? I. Alveolar inflammation II. Pulmonary capillary edema III. Pulmonary emboli IV. Hypercapnia

Correct AnswerverifiedShow Answer

What are the divisions of the pontine respiratory centers?

Correct AnswerverifiedShow Answer

Which nerve transmits afferent signals from the aortic bodies to the medulla?

Correct AnswerverifiedShow Answer

Where are the peripheral chemoreceptors located?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
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