Study Questions for NOCTI 2017
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| show | Edmond Locard
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| The judicial case that set forth the current guidelines for determining the admissibility of scientific examinations in the federal courts is: | show 🗑
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| show | General acceptance of scientific principles
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| The following service does not normally lie within the expertise of the forensic scientist: | show 🗑
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| The effectiveness of an expert’s testimony is almost always dependent on: | show 🗑
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| show | The evidence clerk
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| The relative evidential value of laboratory test results is almost always dependent on: | show 🗑
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| The manner of collecting and preserving physical evidence at a crime scene is determined by: | show 🗑
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| show | - The crime scene
- The victim
- The suspect
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| show | Bloodstained clothing
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| The evidence collector is not concerned with: | show 🗑
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| Evidence having class characteristics can: | show 🗑
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| show | Individual
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| The “jigsaw fit” of known and questioned fragments is important for court presentation primarily because: | show 🗑
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| The computerized database used to store DNA information is: | show 🗑
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| A comparison analysis subjects a suspect specimen and a control specimen to the same tests and examinations for the ultimate purpose of determining: | show 🗑
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| The basic metric unit of volume is the: | show 🗑
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| Physical evidence that can be used to aid in a crime scene reconstruction includes: | show 🗑
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| show | Aluminum
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| One inch is equivalent to how many centimeters? | show 🗑
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| Which of the following has higher frequencies and higher energy values in the electromagnetic spectrum? | show 🗑
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| show | 100° Celsius
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| The physical state that has both shape and volume is a: | show 🗑
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| show | Weight per unit volume
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| The larger opening of a crater-shaped hole in glass made by the penetration of a projectile indicates: | show 🗑
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| A piece of glass is immersed in a liquid. It proceeds to float on the liquid’s surface. This shows that the density of the glass is ___________ the density of the liquid. | show 🗑
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| show | Refractive index and density
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| show | Refractive index and density
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| The reagent used for the field test of heroin is: | show 🗑
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| The most satisfactory way of simultaneously separating and tentatively identifying drugs is by: | show 🗑
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| show | Radial and concentric lines
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| show | Hallucinogen
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| Stress marks on the edge of a radial crack near the point of impact are: | show 🗑
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| A police officer performs a field test on a white powder, obtaining a purple color. The most likely drug present is: | show 🗑
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| Drugs deemed to have the highest potential for abuse and also having a current medical use are listed in which schedule of the Controlled Substances Act? | show 🗑
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| There is a significant likelihood that continued use of ___________ will result in a low degree of psychological dependence. | show 🗑
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| show | Quinine
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| show | Ethyl alcohol
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| Heroin is a chemical derivative of: | show 🗑
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| show | Ethyl alcohol
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| show | a. Librium
b. Valium
c. Methaqualone
d. Ethyl alcohol
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| The following analytical technique is considered to be a specific test in a drug identification scheme: | show 🗑
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| Which of the following is synthetically produced and does NOT occur naturally? | show 🗑
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| Which of the following is considered to be a hallucinogen? | show 🗑
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| show | IV
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| A technique for separating and tentatively identifying the components of a mixture is: | show 🗑
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| show | All these are :
a. Ketamine
b. MDMA
c. Rohypnol
d. GHB
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| Alcohol is eliminated from the body chemically unchanged in: | show 🗑
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| Which of the following is NOT part of the gas chromatograph? | show 🗑
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| show | The lungs
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| Which of the following is NOT part of the absorption spectrophotometer? | show 🗑
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| A breath test may be used to analyze: | show 🗑
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| The blood alcohol concentration level for being presumed to be legally “Under the Influence” in most states is: | show 🗑
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| Which of the following statements is FALSE? | show 🗑
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| Blood is drawn from a living suspect involved in an automobile accident. If the specimen is kept unrefrigerated and at a moderately warm temperature the alcohol concentration can be expected to: | show 🗑
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| show | Gas chromatography
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| show | 0.015
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| show | Gas chromatography
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| show | 2100 to one
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| show | Heroin
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| show | 7
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| show | Basic drug
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| Carbon monoxide combines with what component of blood? | show 🗑
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| show | Potassium dichromate
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| In the case of Schmerber v. California blood was categorized as being: | show 🗑
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| show | The objective lens multiplied by the eyepiece lens
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| show | Infrared
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| show | Reflected light
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| show | Gas chromatography-mass spectrometry
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| show | Comparison microscope
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| Which of these is NOT part of the optical system of a compound ¬microscope? | show 🗑
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| The presence or absence of how many antigens ¬determines an individual’s blood type in the A-B-O system? | show 🗑
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| What approximate percentage of the population is type B? | show 🗑
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| A precipitin test can be used to identify: | show 🗑
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| show | Both A and B antibodies
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| show | AB
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| Antibodies are found: | show 🗑
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| show | a. Inject an animal with the antigen of interest.
b. Remove the animal’s spleen cells.
c. Fuse the spleen cells to malignant blood cells.
d. Hydridoma bearing the antibody activity of interest are selected and cultured.
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| show | AO
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| Acid-phosphatase is a major constituent of: | show 🗑
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| show | Polyclonal antibodies
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| The presence of ___________ proves that a stain is seminal in nature. | show 🗑
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| show | a. The benzidine test
b. The luminol test
c. The phenolphthalein test
d. The Takayama test
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| How many different bases are associated with the makeup of DNA? | show 🗑
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| Assume that two strands of DNA have been separated and that the base sequence on one strand is ATGC. State the sequence of bases on the second strand. | show 🗑
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| Portions of the DNA molecule useful for DNA typing: | show 🗑
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| show | DNA
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| show | 3
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| The following steps comprise the DNA typing process: (l) electrophoresis, (2) Southern blotting, (3) hybridization with a radioactive probe, (4) digestion with restriction enzyme, (5) process with X-ray film. List these steps in their proper sequence. | show 🗑
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| The concept of simultaneously extracting, amplifying, and detecting a combination of STRs is known as: | show 🗑
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| Which statement is NOT correct for Y-STRs? | show 🗑
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