A 46 y/o male is post-op day 1 from an appendicitis. All of the following will be the bestway to help manage his acute pain needs except? 

a. encourage early mobility and fubction

b. use iv narcotics as first line medication for pain

d. if not contraindicated, use adjuct medications such as acetaminophen and iburpfen

d. use po medications as first line