Forensic Science- Drugs Exam Questions with Verified Answers Latest Update 2024

Forensic Science- Drugs Exam Questions with Verified Answers Latest Update 2024 MC: Which of the following drugs is not a depressant? - Answers cocaine MC:The drugs morphine, heroin, methadone, and codeine belong to which category of drugs? - Answers narcotics MC:The schedule of drugs that have a high potential for abuse, a currently accepted medical use or a medical use with severe restrictions and a potential for severe psychological or physical dependence are: - Answers Schedule II MC:This color reagent test is for cocaine where a powder containing cocaine will turn Solution A blue and upon addition of Solution B, the blue color is transformed to a clear pink color. - Answers Scott Test MC: Which of the following drugs is not often used as a club drug? - Answers Marijuana MC: When a volatile chemical compound is dissolved in a liquid and is brought to equilibrium with air, there is a fixed ratio between the concentration of the volatile compound in air and its concentration in the liquid, this ratio remains constant for a given temperature. This phenomenon is known as: - Answers Henry's Law MC: The higher the solubility of a gas in a liquid, the greater the tendency of the gas molecules to: - Answers remain in liquid phase MC: All of the following are chromatographic processes found to be applicable for solving analytical problems encountered in the crime laboratory except: - Answers solid-state chromatography. MC: Which of the following tests can be considered specific in itself for identification purposes? - Answers mass spectrometry MC: The observation that no two substances produce the same fragmentation patterns under carefully controlled conditions is a unique feature of: - Answers mass spectrometry. T/F: Although cocaine is classified as a narcotic, pharmacologically, it is actually a powerful central nervous system stimulant. - Answers True T/F: An individual who uses LSD may be prone to flashbacks and psychotic reactions even after use is discontinued. - Answers True T/F: The most severe criminal penalties for the unauthorized manufacture, sale, or possession of controlled dangerous substances are related to Schedules IV and V and the least severe penalties for Schedules I and II. - Answers False T/F: Color tests, used to indicate the presence of a drug, are routinely used to confirm the conclusive identification of a particular drug. - Answers False T/F: Thin-layer and gas chromatography are well suited for drug analysis because they separate drugs from their diluents while providing for their tentative identification. - Answers True T/F: Infrared spectrophotometry is the only technique available to the chemist that can specifically identify a substance. - Answers False T/F: The gas chromatography/mass spectrometry (GC/MS) combination produces a fragmentation pattern that serves as a virtual "fingerprint" of a chemical substance since, with few exceptions, no two substances fragment in the same fashion. - Answers True T/F: Chromatography is a means of separating and tentatively identifying the components of a mixture. - Answers True T/F: The technique of thin-layer chromatography incorporates a liquid stationary phase and a moving gas phase to effect the separation of the constituents in a mixture - Answers False T/F: Infrared spectrophotometry allows for the identification of different materials because different organic substances always produce distinctive infrared spectra. - Answers True Definition: Light having a single wavelength or frequency. - Answers Monochromatic Light Definition: A device for isolating individual wavelengths or frequencies of light. - Answers Monochromator