What centers are located in the pons of the brainstem? 1. Apneustic center 2. Dorsal respiratory ...

What centers are located in the pons of the brainstem? 1. Apneustic center 2. Dorsal respiratory neurons 3. Pneumotaxic center
 
  a. 1, 2, and 3
  b. 2 and 3 only
  c. 1 and 3 only
  d. 1 and 2 only

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Q. 2  Failure to switch off the brainstem inspiratory neurons can result in which of the following?
 
  a. Apnea
  b. Apneustic breathing
  c. Biot's breathing
  d. Cheyne-Stokes breathing

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Q. 3  The pneumotaxic center controls which of the following?
 
  a. Response to changes in blood pH and PCO2
  b. Rhythm of the full breathing cycle
  c. When inspiration switches off (the inspir-atory time)
  d. When inspiration switches on (the expira-tory time)

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Q. 4  The medulla oblongata contains which of the following areas? 1. Apneustic center 2. Dorsal respiratory group neurons (DRGs) 3. Pneumotaxic center 4. Ventral respiratory group neurons (VRGs)
 
  a. 1, 2, and 3 only
  b. 2 and 4 only
  c. 3 only
  d. 1, 3, and 4 only

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Q. 5  Where are the inspiratory and expiratory centers in the brain found?
 
  a. Broca's area
  b. Neurons in the cerebellum
  c. Pons
  d. No such centers exist

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Q. 6  Sensory input to the dorsal respiratory neurons from the lungs, airways, and peripheral chemore-ceptors is provided via which nerves?
 
  1. Glossopharyngeal
  2. Phrenic
  3. Vagus
  4. Trigeminal
  a. 1 and 2 only
  b. 1, 2, and 4 only
  c. 1 and 3 only
  d. 2 and 3 only