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Author Question: A patient is receiving 0.60 FIO2 with a barometric pressure of 755 mm Hg. PCO2 is 56 mm Hg and PaO2 ... (Read 53 times)

ss2343

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on: Jul 16, 2018
A patient is receiving 0.60 FIO2 with a barometric pressure of 755 mm Hg. PCO2 is 56 mm Hg and PaO2 65 mm Hg. The PAO2 for this patient is _____ mm Hg.
 
  a. 265.6 c. 354.8
  b. 300.9 d. 404.0

Question 2

______ law states that if the temperature of a gas remains constant, the volume of a gas is in-versely related to its pressure.
 
  a. Henry's c. Dalton's
  b. Boyle's d. Laplace's


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Koolkid240

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

ANS: C
Formula: PAO2 = (PB  PH2O) FIO2  PaCO2 (1.25).
PAO2 = (755  47) 0.60  56 (1.25).
PAO2 = 424.8  70.
PAO2 = 354.8 mm Hg.

Answer to Question 2

ANS: B
Boyle's law states that if the temperature of a gas remains constant, the volume of a gas is in-versely related to its pressure. Therefore, as pressure is exerted on a container, the gas volume within the container decreases.


ss2343

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Reply 2 on: Jul 16, 2018
Excellent

samiel-sayed

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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