During Routine Use on an Intubated Patient, a Heated Humidifier

During routine use on an intubated patient, a heated humidifier should deliver inspired gas at which of the following?

A) temperature of 33 ± 2° C, with a minimum of 30 mg/L of water vapor
B) temperature of 37 ± 2° C, with a minimum of 44 mg/L of water vapor
C) temperature of 20 ± 2° C, with a minimum of 10 mg/L of water vapor
D) temperature of 30 ± 2° C, with a minimum of 24 mg/L of water vapor