Wow. that sounds pretty shady. Nissans seem to be pretty common in the cam sensor failing department.
Did you verify that there was only 1 quart of oil in the motor? Without draining the oil and measuring it, there is NO WAY To verify there is 1 quart of oil by looking/using the dip stick.
Sounds very weird. Did the service department somehow mix work orders with another vehicle?
94 Civic Hatch
9.85 @ 155 mph