Which of the following signal words is used to indicate the highest degree of hazard?

Which of the following serves as a guideline for determining the threshold for classifying a situation as a multiple-casualty incident?

A) A motor vehicle collision involving more than two vehicles B) More than 10 patients C) Two or more units respond or there are two or more patients D) An incident commander classifies an incident as an MCI

With age, the spine stiffens as a result of shrinkage of the intervertebral disc spaces, and the vertebrae become brittle. This increases the risk of:

A. severe kyphosis. B. distracting injuries. C. spinal cord tearing. D. compression fractures.