Author Question: A blood gas analyzer measures which of the following? 1. HCO3 2. PCO2 3. PO2 4. pH a. 2 and 3 ... (Read 70 times)

berenicecastro · **on:** Jul 16, 2018

A blood gas analyzer measures which of the following? 1. HCO3 2. PCO2 3. PO2 4. pH

a. 2 and 3 only
b. 2, 3, and 4 only
c. 2 and 4 only
d. 1, 2, 3, and 4

Question 2

Before a sample of capillary blood is taken, what should you do to the site? 1. Warmed to 42 C for 10 min. 2. Squeezed lightly until blanched. 3. Cleaned with an antiseptic solution.

a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3

komodo7 · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: B
The primary parameters of pH, PCO2, and PO2 in a blood sample are measured with a blood gas analyzer.

Answer to Question 2

ANS: B
The most common site for sampling is the heel, specifically the lateral aspect of the plantar sur-face. Before any puncture is done the site should be properly warmed to arterialize the skin and clean with an antiseptic solution to prevent infections.