Long term care uses adl and iadl scales to measure physical functions. what are these two measures and what purpose do they serve in an ltc.

If the skin preparation site contains a colostomy or draining sinus that cannot be sealed off, how should that area be prepped? a. last, with sponges to be used once and discarded b. first, with the same preparation tray c. simultaneously, with the same preparation tray d. first, with a separate preparation tray