RT Pulmonary A&P Chapt 1-4

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Author:
tswhite
ID:
35278
Filename:
RT Pulmonary A&P Chapt 1-4
Updated:
2010-09-16 23:19:51
Tags:
Cardiopulmonary
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Description:
Dr. Gulliford's Exam One Review Sheet (Second Half)
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  1. Innervation of the diaphragm is by the ________ and _________ nerves.
    • phrenic
    • lower thoracic
  2. The external intercostal muscles are engaged during _________.
    inspiration
  3. The internal intercostal muscles are engaged during _________.
    expiration
  4. When a patient has "stiff lungs" with limited expansion, the patient has ________ lung compliance.
    decreased
  5. Normal PO2 levels for 1room air, 2alveoli, 3arteries, 4venous blood.
    • room air 159.0
    • alveoli 100.0
    • arteries 95.0
    • venous blood 40.0
  6. Normal PCO2 levels for 1room air, 2alveoli, 3arteries, 4venous blood.
    • room air 0.2
    • alveoli 40.0
    • arteries 40.0
    • venous blood 46.0
  7. List conditions that interfere with diffusion of gases.
    emphysema, pulmonary edema, interstitial edema, alveolar fibrosis, atelectasis, pneumonia
  8. Things to know about surfactant...
    • reduces surface tension
    • improves lung compliance
    • decreases energy used to keep lungs inflated
    • keeps lungs from collapsing
  9. Normal adult PaO2 ________
    Mild Hypoxia _______
    • 80 & up
    • 60 - 80
  10. Moderate hypoxia ____
    Severe Hypoxia ____
    • 40 - 60
    • 40 & below
  11. Normal range for adult arterial pH
    7.35 - 7.45
  12. The primary stimulus for breathing is _________.
    CO2
  13. Which of the following adrenergic receptors is responsible for dilating the airways?
    Beta 2 receptors
  14. Normal V/Q (ventilation to perfusion) ratio is ________.
    .8

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