When a knee is in the neutral position, it may be flexed up to how many degrees?

Which one of the following patient statements should make an EMT suspect primary hypertension?

A) "The doctor said that my blood pressure is high because my kidneys are bad." B) "I have to take two blood pressure medications at the same time to get my pressure down." C) "The doctor does not know what is causing my blood pressure to be high." D) "My high blood pressure caused my heart to go bad."

You are working the scene of a collision involving a tractor trailer that is hauling an unknown chemical. After it has been determined that no material has been spilled, the rescue chief asks you to get the truck's shipping papers. Where would these MOST likely be located?

A) Rear compartment on the tanker B) Electrical box between the tractor and trailer C) Cab of the truck D) Shipping vault on the trailer