Question 1

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

Accepted Answer

A)  < 8 º C 
B)  < 8 º F 
C)  37º C 
D)  98.6 º F 
A)  < 8 º C 
B)  < 8 º F 
C)  37º C 
D)  98.6 º F

Question 2

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 breathing 
A)  apneustic breathing 
B)  apnea 
C)  dyspnea 
D)  arrhythmic breathing

Question 3

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

Question 4

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 cortex 
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 cortex

Question 5

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)  PRG 
A)  DRG 
B)  apneustic center 
C)  hypothalamus 
D)  PRG

Question 6

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

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 nerve 
A)  X cranial nerve 
B)  IX cranial nerve 
C)  phrenic 
D)  XI cranial nerve

Question 8

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

Accepted Answer

A)  hiccup 
B)  burp 
C)  cough 
D)  sneeze 
A)  hiccup 
B)  burp 
C)  cough 
D)  sneeze

Question 9

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

Accepted Answer

A)  cerebral cortex 
B)  cerebellum 
C)  hypothalamus 
D)  pons 
A)  cerebral cortex 
B)  cerebellum 
C)  hypothalamus 
D)  pons

Question 10

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

Accepted Answer

A)  DRG 
B)  PRG 
C)  apneustic center 
D)  hypothalamus 
A)  DRG 
B)  PRG 
C)  apneustic center 
D)  hypothalamus

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

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

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

Where are the central chemoreceptors located?

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

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

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

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

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

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

The Anatomy and Physiology of the Respiratory System

Ventilation

Pulmonary Function Measurements

The Diffusion of Pulmonary Gases

The Anatomy and Physiology of the Circulatory System

Oxygen and Carbon DioxideTransport

Acid Base Balance

Ventilation Perfusion Relationships

Fetal Development and the Cardiopulmonary System

Aging and the Cardiopulmonary System

Electrophysiology of the Heart

The Standard 12 ECG System

ECG Interpretation

Hemodynamic Measurements

Renal Failure and Its Effects on the Cardiopulmonary System

Sleep Physiology and Its Relationship to the Cardiopulmonary System

Exercise and Its Effects on the Cardiopulmonary System

High Altitude and Its Effects on the Cardiopulmonary System

High Pressure Environments and Their Effects on the Cardiopulmonary System

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Exam 9: Control of Ventilation

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

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

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

Where are the central chemoreceptors located?

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

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

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

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

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

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

The Anatomy and Physiology of the Respiratory System

Ventilation

Pulmonary Function Measurements

The Diffusion of Pulmonary Gases

The Anatomy and Physiology of the Circulatory System

Oxygen and Carbon DioxideTransport

Acid Base Balance

Ventilation Perfusion Relationships

Fetal Development and the Cardiopulmonary System

Aging and the Cardiopulmonary System

Electrophysiology of the Heart

The Standard 12 ECG System

ECG Interpretation

Hemodynamic Measurements

Renal Failure and Its Effects on the Cardiopulmonary System

Sleep Physiology and Its Relationship to the Cardiopulmonary System

Exercise and Its Effects on the Cardiopulmonary System

High Altitude and Its Effects on the Cardiopulmonary System

High Pressure Environments and Their Effects on the Cardiopulmonary System

Filters