Which of the following describes an accident chain? a. a sequence of events that lead to an accident b. a series of accidents happening around the same time c. a safety chain you wear to prevent accidents d. a list of accidents that cannot be avoided

David, an aspiring baseball player, was struck on the left side of his face with a fastball pitch. he was not wearing a safety helmet. his zygomatic arch was crushed, as well as parts of the temporal bone. following the accident and reconstructive surgery, he noted that his left lower eyelid was still drooping and the corner of his mouth sagged. what nerve damage did he sustain?

The maximum blood pressure in the upper arm of a healthy person is about 120 mmhg. if a vertical tube open to the atmosphere is connected to the vein in the arm of the person, determine how high the blood will rise in the tube. take the density of the blood to be 1040 kg/m3.

What should you do if you have an anxiety attack when your parents aren't home?