This is a negative feedback. A negative feedback is where the body detects a change in the body's internal environment and crafts a mechanism to correct it
B. the amount of wind or C. the weight of the air
The nursing action should be checking of residual every four to six hours, follow protocol for slowing or withholding feedings for excess residual volumes in which some facilities hold for residual volumes of 100 or 200 ml then restart at the lower rate after a period of rest, check pump for proper operation and ensure feeding infused at correct rate.
I think the answer would be A