Drager BG4 Statements of Fact 4 Questions taken from 2017 Drager BG4 Statements of Fact Progress Indicator: Question 1 of 15 1.  Medium pressure in the BG-4 is between __________. Choices: 56 psi and 64 psi 57 psi and 65 psi 58 psi and 64 psi None of the above