Pre-Test Instructions. Before the glucose challenge screening, you can eat normally, so you may eat bread if you like. However, before the glucose tolerance test, you have to fast for eight to 14 hours. All you can have is a few sips of water during this time, so most women schedule the test early in the morning. You should follow these instructions since eating anything -- including bread -- could skew the results.
Van Allen belt. n. (Physical Geography) either of two regions of charged particles above the earth, the inner one extending from 2400 to 5600 kilometres above the earth and the outer one from 13 000 to 19 000 kilometres. The charged particles result from cosmic rays and are trapped by the earth's magnetic field.
The serpentine belt and v-belt are also known as drive belts.. Because of the high amount of heat in the engine, the belt can develop cracks over time and eventually break. If the belt breaks, the steering wheel will be difficult to turn and driving will be hazardous. In some cars, water pumps are driven by the drive belts. If the belt breaks, water and coolant needed to keep the engine cool will not properly flow to the engine. The engine will overheat, potentially causing severe damage.