A heat and moisture exchanger (HME):

A heat and moisture exchanger (HME):
 A) is placed at the outlet of the ventilator
  B) is placed proximal to the exhalation valve
  C) is placed between the patient's airway and the circuit
  D) is placed at the outlet of the humidifier

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Q. 2  Fetal lung maturity can be predicted by withdrawing a sample of amniotic fluid and comparing the level of phosphatidylglycerol (PG) to
 A) ethanolB) sphingomyelinC) lecithin
  D) serum

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Q. 3  Heat and moisture exchangers (HMEs):
  I. provide 70 to 90 relative humidity
  II. provide temperatures between 30 and 31 degrees Celsius
  III. are intended for short-term use
  IV. may be used without an artificial airway
 A) I
  B) I and II
  C) I, II, and III
  D) I, II, III, and IV

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Q. 4  Normally, fetal lung fluid moves steadily at what rate?
 A) 15 L/hourB) 1 ml/hour
  C) 15 ml/hour
  D) 100 ml/hour

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Q. 5  An advantage of the Thera-Mist P35000 humidifier is:
 A) isolation of gas and water in the heating element
  B) prevention of cross-contamination
  C) high gas flow delivery
  D) all of the above

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Q. 6  The central and peripheral nervous system arise from which germ layer?
 A) endoderm
  B) philoderm
  C) mesoderm
  D) ectoderm