Which of the following is NOT a basic mode of communicating changes in drugs to patients and healthcare providers?

Following blunt injury to the anterior torso, a patient is coughing up bright red blood. You should be MOST suspicious of:

A: severe myocardial damage. B: bleeding within the lungs. C: intraabdominal bleeding. D: gastrointestinal bleeding.

Which provides barrier protection for caregivers to prevent the spread of infectious disease?

A. Sterile gloves B. Nonsterile gloves C. Gowns D. All of these