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5 Written questions

5 Matching questions

  1. During expiration, why does gas flow out of the lungs to the atmosphere?
  2. In normal individuals, approximately what fraction of the VT is wasted ventilation (does not participate in gas exchange)?
  3. The pulmonary arterial circulation does which of the following?
  4. Which of the following is the term associated with a sound created by high-velocity air flowing through a narrowed glottis?
  5. Change in lung volume resulting from a unit of pressure change is known as which of the following?
  1. a Stridor
  2. b Lung compliance
  3. c II and IV: delivers unoxygenated blood to the lungs, originates on the right side of the heart
  4. d 1/3
  5. e Palv is greater than at the airway opening

5 Multiple choice questions

  1. Type I
  2. That systemic arterial blood can never have the same partial pressure of oxygen as the alveolar gas
  3. Parietal pleura
  4. It receives blood from right and left ventricles
  5. tidal volume VT

5 True/False questions

  1. Which of the following statements are true of the phrenic nerves?I II III IV: it is predictive of fetal lung maturation, An L/S ratio greater than 2:1 indicates fetal lung maturity in nondiabetic pregnancies, the L/S ratio is falsely high in diabetes, the L/S ratio is generally 2:1 at 35 weeks gestation


  2. Which of the following are the only accessory muscles of expiration?Abdominal muscles


  3. Which of the following pressure gradients is responsible for the actual flow of gas into and out of the lungs during breathing?I and II: Norepinephrine, Acetylcholine


  4. What type of epithelium covers the posterior two thirds of the nasal mucosa?acinus


  5. What is the name given to the action produced by the forward stroking of millions of cilia?Mucociliary escalator


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