Final answer:
The percentage of patient falls in medical facilities is unknown, but it is a major cause of injury.
Step-by-step explanation:
The subject of this question is Health. The question asks about the percentage of patient falls in medical facilities that comprise all dangerous incidents. To answer the question, we need to choose the option that represents the correct percentage. Based on the information provided, we don't have specific data to determine the exact percentage. However, falls are a major cause of injury in medical facilities, especially among young children, adolescents, and the elderly, according to the Centers for Disease Control and Prevention (2010). Therefore, option c. 50% could be a reasonable estimate.