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Author Question: What is the approximate normal CaO2 CO2 in a healthy adult at rest? a. 5 ml/dl b. 15 ml/dl c. ... (Read 53 times)

vicky

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What is the approximate normal CaO2  CO2 in a healthy adult at rest?
 
  a. 5 ml/dl
  b. 15 ml/dl
  c. 20 ml/dl
  d. 250 ml/dl

Question 2

Given the following blood parameters, compute the total O2 content (dissolved + HbO2) of the blood in ml/dl: Hb = 16; PO2 = 625 Hg; SO2 = 100.
 
  a. 17.8 ml/dl
  b. 19.4 ml/dl
  c. 21.4 ml/dl
  d. 23.3 ml/dl



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yotaSR5

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Answer to Question 1

ANS: A
As indicated in Table 12-2, the difference between the normal arterial and venous O2 contents is approximately 5 ml/dl.

Answer to Question 2

ANS: D
The respiratory therapist obtains a sample of arterial blood from a patient breathing 100 O2. The PO2 is 625 mm Hg, Hb is 16 g/dl, and the O2 saturation is 100. To compute the total O2 con-tent, the respiratory therapist should apply the aforementioned equation as follows:
CaO2 = (0.003  PaO2) + (Hbtot  1.34  SaO2)
CaO2 = (0.003 ml  625 mm Hg) + (16 g/dl  1.34  1.0)
CaO2 = (1.875 ml) + (21.44 g/dl)
CaO2 = 23.3 ml/dl




vicky

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Reply 2 on: Jul 16, 2018
Wow, this really help


ricroger

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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