A nurse is planning care for a group of clients. When planning the assignment for an assistive personnel (AP), which of the following activities should the nurse consider unsafe for the AP to perform?

Administering a cleansing enema to a client who is preoperative.

Assisting an older adult client to take acetaminophen the AP crushed in applesauce.

Obtaining a urine specimen for a urinalysis from a client on admission.

Measuring the vital signs of a client who has a history of angina.