You are using a computer system that asks you questions rega…

You are using a computer system that asks you questions regarding dogs and your preferred characteristics. When you have answered a sufficient number of questions, the system makes a recommendation regarding the type of dog that you should purchase. This system is a:

A 22-year-old male is brought to the emergency department af…

A 22-year-old male is brought to the emergency department after a motor vehicle collision. The paramedics report that he hit his head directly on the windshield and then his brain rebounded against the skull. CT scan shows contusions at both the impact site and the opposite side of the brain. Which type of brain injury mechanism is demonstrated in this scenario?