Which Nursing Intervention Is Most Effective in Promoting Normal Defecation

Which nursing intervention is most effective in promoting normal defecation for a patient who has muscle weakness in the legs that prevents ambulation?

A) Elevate the head of the bed 45 degrees 60 minutes after breakfast.
B) Use a mobility device to place the patient on a bedside commode.
C) Give the patient a pillow to brace against the abdomen while bearing down.
D) Administer a soap suds enema every 2 hours.