Deletion because it worse then a substitution since your deleting something
Explanation:
Blood is a specialized body fluid. It has four main components: plasma, red blood cells, white blood cells, and platelets.
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.
The answer to the question is A
DNA testing and if they have certain strands that we dont