No fasting is required prior to this test. The test evaluates how your body processes sugar. A high level in your blood may indicate your body is not processing sugar effectively (positive test). If the results of this screen are positive, the woman may have the Glucose Tolerance Test performed.
A valve is a mechanism that opens and closes to control the flow of fluids. In a scientific context, fluids include both liquids and gases â any substance that can flow freely â and valves may use either. Valves control fluid flow in motors, plumbing, irrigation, pneumatic and hydraulic systems.
The definition of a goad is a stick with a pointed or electrically charged end that is used to move animals, or is something that urges someone to do something. An example of a goad is a tool used to drive cattle into a special area. An example of a goad is money promised to someone if they complete a certain action.