Which of the following is the liquid or fluid portion of the blood?

You are at the scene of a vehicle collision on an interstate highway. There are two cars involved and both are out of the lanes against the median wall. As an EMS provider, what is your primary safety concern?

A) Watching for distracted drivers who are driving past the scene B) Evaluating the risk of fire caused by ruptured fuel lines C) Searching for sharp edges of broken glass and torn metal D) Ensuring the patient is properly packaged for transport

Pressure tanks are usually kept approximately ______ full of water and ______ full of pressurized air

a. one-half; one-half b. one-third; two-thirds c. two-thirds; one-third d. three-quarters; one-quarter