You are first on the scene of a 61-year-old female in need of assistance with her respirations. you have a pocket mask with supplemental oxygen. how can you determine that your artificial ventilation is effective?
a. patient's skin color remains the same.
b. patient's pulse returns to normal.
c. you are assisting respirations at 10 breaths per minute.
d. you assure oxygen is being delivered at 15 liters per minute.