Question 1

Where are the central chemoreceptors located?

Accepted Answer

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

Question 2

Which receptors initiate reflexes in heart rate and breathing in response to changes in systemic blood pressure?

Accepted Answer

A)   carotid sinus and aortic baroreceptors
B)   aortic bodies and carotid bodies
C)   peripheral proprioceptors
D)   J-receptorsE) A) and B)
F) A) and C)

Question 3

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

Accepted Answer

A)   cerebral cortex
B)   cerebellum
C)   hypothalamus
D)   ponsE) None of the above
F) B) and C)

Question 4

What is the term for prolonged breathing in the inspiratory phase which can result from a pontine lesion?

Accepted Answer

A)   apneustic breathing
B)   apnea
C)   dyspnea
D)   arrhythmic breathingE) A) and D)
F) All of the above

Question 5

When J-receptors are stilulated,what response is triggered?

Accepted Answer

A)   rapid, shallow breathing pattern
B)   slow, deep breathing pattern
C)   slow inspiration with breath hold
D)   rapid, deep breathing patternE) A) and D)
F) B) and C)

Question 6

What is the term for an involuntary diaphragmatic spasm followed by sudden glottic closure?

Accepted Answer

A)   hiccup
B)   burp
C)   cough
D)   sneezeE) A) and C)
F) C) and D)

Question 7

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

Accepted Answer

A)   X cranial nerve
B)   IX cranial nerve
C)   phrenic
D)   XI cranial nerveE) B) and C)
F) A) and D)

Question 8

Which portion of the brain relays information from the chemoreceptors to the VRG?

Accepted Answer

A)   DRG
B)   PRG
C)   apneustic center
D)   hypothalamusE) All of the above
F) None of the above

Question 9

Below what temperature in the bronchi and bronchioles is the Hering-Breuer reflex inactive?

Accepted Answer

A)   
B)   
C)   37º C
D)   98.6 º FE) None of the above
F) A) and B)

Question 10

Which portion of the brain gathers information from the peripheral stretch receptors and relays it to the VRG?

Accepted Answer

A)   DRG
B)   apneustic center
C)   hypothalamus
D)   PRGE) All of the above
F) C) and D)

Exam 9: Control of Ventilation

What is the term for an involuntary diaphragmatic spasm followed by sudden glottic closure?

Correct Answer
verified

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

Correct Answer
verified

Where are the central chemoreceptors located?

Correct Answer
verified

Which portion of the brain relays information from the chemoreceptors to the VRG?

Correct Answer
verified

Which receptors initiate reflexes in heart rate and breathing in response to changes in systemic blood pressure?

Correct Answer
verified

What is the term for prolonged breathing in the inspiratory phase which can result from a pontine lesion?

Correct Answer
verified

Which portion of the brain gathers information from the peripheral stretch receptors and relays it to the VRG?

Correct Answer
verified

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

Correct Answer
verified

Below what temperature in the bronchi and bronchioles is the Hering-Breuer reflex inactive?

Correct Answer
verified

When J-receptors are stilulated,what response is triggered?

Correct Answer
verified

Exam 9: Control of Ventilation

What is the term for an involuntary diaphragmatic spasm followed by sudden glottic closure?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Where are the central chemoreceptors located?

Correct AnswerverifiedShow Answer

Which portion of the brain relays information from the chemoreceptors to the VRG?

Correct AnswerverifiedShow Answer

Which receptors initiate reflexes in heart rate and breathing in response to changes in systemic blood pressure?

Correct AnswerverifiedShow Answer

What is the term for prolonged breathing in the inspiratory phase which can result from a pontine lesion?

Correct AnswerverifiedShow Answer

Which portion of the brain gathers information from the peripheral stretch receptors and relays it to the VRG?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Below what temperature in the bronchi and bronchioles is the Hering-Breuer reflex inactive?

Correct AnswerverifiedShow Answer

When J-receptors are stilulated,what response is triggered?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
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