What is the most questionable source of health information

What would be good in a cpr and first aid video

Which materials are part of a person’s body composition? select three options.1. fat2. supplements3. water4. protein5. medication

The physician ordered velosef (cephradine) im 50 mg/kg/day in equally divided doses four times a day for a child who weighs 40 pounds. convert pounds to kilograms and then calculate the prescribed dosage. mg every hours