The nurse leading a care team on a medical surgical unit is assigning client care to a practical nurse (PN) and an unlicensed assistive personnel (UAP). Which activity should the nurse assign to the UAP?

Determine the diameter and depth of a client's dermal ulcer.

Evaluate a client's mobility progress toward the plan of care.

Titrate oxygen to the prescribed parameters.

Procure platelet products from the blood bank.