the nurse is teaching a client how to perform colostomy irrigations. when observing the client's return demonstration, which action indicated that the client understood the teaching? a. turns to left the side to instill the irrigating solution into the stoma b. keeps the irrigating container less than 18 inches above the stoma c. instills 1,200 ml of irrigating solution to stimulate bowel evacuation d. inserts irrigating catheter deeper into stoma when cramping occurs