Engines need fuel, but also need proper amounts of oxygen to burn the fuel. Carburetors mix air and fuel in the proper amounts to ensure efficient combustion in the engine.ngines need fuel, but also need proper amounts of oxygen to burn the fuel. Carburetors mix air and fuel in the proper amounts to ensure efficient combustion in the engine.
The Northwest HIDTA's initiatives blend a variety of law enforcement and demand reduction initiatives into a unitized approach to countering the drug threat in Pacific Northwest. The focus is upon five mutually supportive disciplines, which are Intelligence, Investigations, Interdiction, Education and Prevention.
About Hepatobiliary (HIDA) Scans. A hepatobiliary (HIDA) scan is a nuclear medicine exam in which the patient receives an injection of a radioactive tracer that is taken up by bile-producing cells. The injection is followed by a scan of the gallbladder, liver, and bile ducts. Often a drug (Kinevac) will be given as part of the scan to see how strongly the gallbladder contracts. Alternatively if the gallbladder cannot be seen, then another drug (morphine) may be given to attempt to see the gallbladder. HIDA scans are most commonly used to identify the following: 1  Closed bile ducts.