Final study guide pt. 5.txt

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Author:
coreygloudeman
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122814
Filename:
Final study guide pt. 5.txt
Updated:
2011-12-11 18:30:53
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Crafton Hills College RESP 130 Final pt
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Crafton Hills College RESP 130 Final pt. 1
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  1. which reflex is generated by stretch receptors located in the smooth muscle of both large and small airways. In adult, this reflex is activated only by large VT (.800 ml-1.0 L or more).
    Hering-Breuer Inflation Reflex
  2. What does the following describe: Sudden collapse of the lung stimulates strong inspiratory efforts via the vagus nerve. It causes hyperpnea (e.g., pneumothorax)
    Deflation Reflex
  3. What does the following describe: helps with deep breaths during exercise, periodic deep sighs during quiet breathing, and baby�s first breath. The receptors for this reflex stop firing promptly after the volume change occurs so they are called �rapidly adapting receptors�.
    Head's Paradoxical Reflex
  4. What does the following describe: Stimulation can be by inhaled irritants or mechanical factors causing bronchoconstriction, coughing, sneezing, tachypnea, and narrowing of the glottis. They are called vagovagal reflexes which are responsible for laryngospasm, coughing, and slowing of the heart rate. (e.g., airway suctioning, ET intubation, bronchoscopy)
    Irritant Receptors
  5. What does the following describe: found in the lung parenchyma near the pulmonary capillaries. They are stimulated by alveolar inflammation, pulmonary vascular congestion, and edema. When stimulated cause rapid, shallow breathing; a sensation of dyspnea; and expiratory narrowing of the glottis.
    J Receptors
  6. What does the following describe: are in the muscles, tendons, and joints, as well as pain receptors in muscles and skin. They send impulses to the medullary respiratory center to increase inspiratory activity causing hyperpnea. Moving the limbs, slapping or splashing cold water on the skin, and other painful stimuli increase ventilation. May be important in starting and maintaining increased ventilation at the start of exercise.
    Peripheral proprioceptors
  7. What is contained bilaterally in the medulla and how does it regulate breathing?
    Central Chemoreceptors, and they regulate breathing by sensing H+. More H+, increased breathing rates.
  8. Apneustic breathing indicates damage to the _____.
    pons
  9. The rhythmic cycle of breathing originates mainly from neurons in the
    Medulla Oblongota
  10. During quiet breathing the inspiratory neurons from the ___ and ___ fire with increasing frequency for approximately _ seconds then they switch off allowing expiration for _ seconds
    DRG; VRG; 2; 3
  11. What is this indicative of: the respiratory rate and tidal volume gradually increase, then gradually decrease to complete apnea which may last several seconds.
    Cheyne-Stokes respiration
  12. What is this indicative of: similar to Cheyne-Stokes except that tidal volumes are of identical depth. It occurs in patients with increased intracranial pressure
    Biot's Respiration
  13. What indicates damage to the pons. It is related to midbrain and upper pons damage associated with head trauma, severe brain hypoxia, or lack of blood flow to the brain. This is gasping inspirations.?
    Apneustic Breathing

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