Certainly no exit doors there. The exits are directly beyond the bulkhead in front - which is the bar area. You'll be first off the plane if in row 4 or 5 AC. When we arrived in LAX a while back, we were sitting in the Delta lounge no longer than 20 minutes after those doors opened.
All of the PE pax will be filing past you as they (and you) turn right upon boarding, whereas rows 1-4 turn left.
All of the PE pax will be filing past you as they (and you) turn right upon boarding, whereas rows 1-4 turn left.