How does the preexcitation of the ventricles in reentry dysrhythmias appear on an ECG tracing?

A male soccer player was struck in the head with a soccer ball. Players state that he was dazed for several seconds following the impact and then asked the same questions over and over. Presently, he is conscious and oriented to person, but confused to place and time. He also has a reddened area to the side of his head and face. As you proceed with your assessment, his memory continues to

improve. Based on these findings, the EMT should suspect which of the following injuries? A) Concussion B) Open head injury C) Epidural hematoma D) Cerebral contusion

Injuries are reduced when health care providers use _____________

A. proper body mechanics B. restraints C. lower back muscles when lifting patients D. the stretcher to open a door