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Author Question: What is the point in the respiratory track where inspired gas reaches body temperature, ambient ... (Read 44 times)

gonzo233

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on: Jul 16, 2018
What is the point in the respiratory track where inspired gas reaches body temperature, ambient pressure, saturated (BTPS) conditions?
 
  a. Point of thermal equilibrium
  b. Hygroscopic saturation boundary
  c. Thermal inversion boundary
  d. Isothermic saturation boundary

Question 2

What is the initial energy level for a biphasic defibrillation of an adult patient?
 
  a. 120 to 200 J
  b. 200 to 300 J
  c. 300 to 360 J
  d. 400 J


tdewitt

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: D
As inspired gas moves into the lungs, it achieves BTPS conditions (body temperature, 37 C; barometric pressure; saturated with water vapor 100 relative humidity at 37 C). This point, normally approximately 5 cm below the carina, is called the isothermic saturation boundary.

Answer to Question 2

ANS: A
Currently, the American Heart Association recommends an initial energy level, if a biphasic de-fibrillator is available, of 120 to 200 J for defibrillation of adults and 2 to 4 J/kg for children and infants.


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