________ It is difficult for a medical office using EHRs to determine who has had access to its patients' charts

________ must never be shaved because of the failure to regrow or abnormal regrowth

A. Eyebrows B. Facial hair

Patients receiving mechanical ventilation are usually turned every 2 hr to prevent which of the following? 1. Atelectasis 2. Secretion retention 3. Pressure sores 4. Hyperoxemia

a. 1 and 2 only b. 2 and 3 only c. 1, 2 and 3 only d. 1, 2, 3, and 4