You are assisting your partner who is preparing to intubate a 79 year old woman. You are managing the BVM and begin ventilating and preoxygenating the patient at what rate?
a. 12-20 breaths a minute for 1-2 minutes
b. 12-20 breaths a minute for 6-9 minutes
c. 15 breaths a minute for 4 minutes
d. 12-18 breaths a minute for 2-3 minutes