A(n) __________ contacts patients or insurance carriers to collect money owed to the facility or practice

The anticoagulant of 3.2% sodium citrate is preferred over 3.8% because:

a. It does not require an adjusted redraw on patients with high hematocrits. b. The 3.8% sodium citrate tubes are no longer manufactured. c. The 3.2% sodium citrate has more success with minimizing in vitro platelet activation. d. It is more likely to prevent clotting with difficult draws.

All of the following ratios are equivalent to the ratio of 1:2 EXCEPT ________.

A. 2:4 B. 5:10 C. 10:20 D. 15:25