Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Forensics-Crump2
Chapters 10&11
| Question | Answer |
|---|---|
| A neutral substance will have a pH closest to | 7 |
| In forensic toxicology, all positive drug findings must be confirmed by a specific chemical test which is called: | gas chromatography-mass spectrometry |
| The presence of high levels of carbon monoxide in the bolood of a victiim found at the scene of a suspicious fire is proof that the victim | perished after the fire started |
| The rate of alcohol absorption on a full stomach is_____the rate of absorption on an empty stomach | less than |
| Carbon monoxide combines with what component of blood? | hemoglobin |
| The concentration of alcohol in an exhaled breath is in direct proportion to that of the blood of the same individual which is_____. | 1:2,000 |
| Alcohol is oxidized in the body primarily in the: | liver |
| The blood alcohol concentration level for being presumed to legally "under the influence" in most states is: | 0.08 percent |
| If a specimen is kept unrefrigerated and at a moderately warm temp the alcohol concentration can be expected to: | decrease with time |
| The analytical tech widely used for directly measuring the amount of alcohol present in the blood is: | gas chromatography |
| The following drug is not typicaly found in blood or urine: | heroin |
| The Reinsch test would NOT be used to detect: | copper |
| Upon entering the bloodstream, heroin is almost immediately metabolized into: | morphine |
| Analyzing segments of hair for drug content may define the timeline for drug use, dating it back over a period of: | weeks, days & months |
| What is the percentage of evidence evaluated in the crime lab that is drug-related? | 75 |
| The pattern and intensity of dependency on a drug does not depend on the: | cost of the drug |
| The last step in a thin-layer chromatographic analysis is: | visualization |
| A police officer performs a field test on a white powder, otaining a purple color, what is the drug: | heroin |
| The most common diluent of heroin is: | Quinine |
| The reagent used for the field test of heroin is: | Marquis |
| Which of the following statements is false | Marijuana is synthesized from the Cannabis Sinsemilla plant |
| Which of the following is false | many chemical substances have similar mass spectra fragmentation patterns. |
| A compound can tentatively be identified by gas hromatography from its: | retention time |
| Which of the following is sunthetically produced and does not occur naturally? | amphetamine |
| Heroin is a chemical derivative of: | morphine |
| Drugs deemed to have the highest potential for abuse and having a current medical use are listed in which schedule of the Controlled Substances Act? | II |
| Regular use of the following drug may lead to physical dependendcy: | ethyl alcohol |
| Marijuana is considered to be a: | hallucinogen |
| Gas chromatographys drawback can be overcome by connecting to GC to? | MS |
| TLC uses_____as its moving phase. | liquid |
| Duquenois-Levine solutions were used on a sample and the chloroform layer turned purple. This suggests that the tested substance is: | marijuana |
| "Designer" drugs are: | chemically related to controlled substances |
Created by:
BallisticsGal