Semester 1 Review Game

1. Semester 1 Review Game Forensic Science K. Davis

2. The first officers on a crime scene should: • Collect evidence • Exclude all unauthorized personnel • Isolate the crime scene • Both a and b • Bothe b and c

3. 2) Videography of a crime scene: • Can be used to augment photography • Can narrate events • Does not replace photos • Should never be used • a, b, and c

4. 3) Items discovered at a crime scene must be: • Initially tested for evidentiary value • Marked for identification with the collector’s initials and date of collection • Packaged in one container to keep everything together • Handled only by representatives from the crime laboratory’s evidence unit

5. Which of the following is considered to be an acceptable crime scene search pattern? • Spiral search • Quadrant search • Strip search • All of the above

6. In investigating a crime scene which skills would be more essential to the process? • Observation • Deductive reasoning • Inductive reasoning • Classifying information

7. At the crime scene there are various types of evidence (blood, hairs, a ransom note, and a shell casing) what personnel would be involved in processing this evidence? • Biology unit, document examination, firearms unit • Biology unit, toxicology unit, document examination • Physical science unit, firearms unit, document examination • Biology unit, physical science unit, firearms unit

8. What of these examples illustrates Locard’s Exchange Principle? • Blood from the victim is found on the murder weapon • Fibers from the crime scene found on the victim • Dirt from the crime scene found on the suspects shoes • All of the above

9.  Which of the following are essential to a successful court case: • Recognition of pertinent evidence • Correct packaging of evidence • Correct processing of evidence • All of the above

10. 9) The first officer arriving at a crime scene, after providing or obtaining medical assistance for the injured and effecting an arrest of suspects (if possible), should immediately: • Search for evidence • Make a rough sketch of the scene • Secure the scene • Take notes

11. 10) A rough sketch need NOT include a: • Sketch of the suspect(s) • Location of all recovered physical evidence • Date, location, and time of the incident • Compass heading designating north

12. 11) Which crime scene search pattern would absolutely require more than one investigator? • Spiral • Grid • Zone • Line

13. 12) The successful outcome of a criminal investigation is almost always directly related to: • The manner in which the evidence is collected and preserved • Whether the crime is considered high profile • The number of people employed in the crime lab • The volume of the physical evidence collected

14. 13) A properly maintained chain of custody is NOT the responsibility of the: • Forensic technician • Crime scene processor • Trial judge • Evidence clerk

15. 14) Success in the recognition and collection of physical evidence is determined primarily by the: • Skill of personnel processing the crime scene • Notoriety of the case • Type of evidence involved • Time available to the evidence collectors

16. 15) The collection of standard reference samples at the crime scene is important because they: • Prove the continuity of possession • Serve as a source of extra test material if required in the crime lab • Permit comparisons to be made with the evidence • Are obtained only from suspects in cases of violent assault

17. 16) The removal of any evidence from a person or from the scene of a crime must be done in conformity with the privileges of which amendment of the Constitution? • Fourth • Fifth • Sixth • First

18. 17) Heard in the Supreme Court, which case dealt with the impropriety of the warrantless collection of physical evidence at a homicide scene? • Mapp v. US • Frye v. US • Mincey v. Arizona • People v. Wilkens

19. 18) Which of the following can be used to identify whether a body has been moved post-death? • Livor mortis • Rigor mortis • Algor mortis • None of these

20. 19) When do the affects of rigor mortis disappear? • 6-12 hours post death • 12-24 hours post death • 24-36 hours post death • 36-48 hours post death

21. 20) Which of the following is used to determine time of death? • Algor mortis • Livor mortis • Rigor mortis • None of these

22. 21) Which of the following does not influence the rate at which insects develop on the body? • Weather • Location • Sex of the victim • Climate

23. 22) As a general rule the deceased body will lose heat at a rate of: • 1 to 1 1/2 degrees Fahrenheit per hour until the body reaches the environmental temperature • 2 to 4 degrees Fahrenheit per hour until the body reaches the environmental temperature • 1 to 1 1/2 degrees Celsius per hour until the body reaches the environmental temperature • 2 to 4 degrees Celsius per hour until the body reaches the environmental temperature

24. 23)  Rigor Mortis manifests itself: • Within the first 24 hours and disappearing within 36 hours • Within the first 24 hours and continuing for the following 12 hours • Within the first 12 hours and continuing for the following 24 hours • Within the first 12 hours and disappearing within 48 hours

25. 24) Which bones are most useful in determining the sex of the victim? • Skull • Pelvic • Femur • Mandible

26. 25) What can cranial sutures be used to indicate? • Sex of the victim • Cause of death • Age of victim • Race of victim

27. 26) Which of the following factors does not have to be considered when using a bone to estimate height? • Sex of the victim • Age of victim • Race of victim • None of these

28. 27) Which of these is NOT an example of how skeletal remains may indicate cause of death? • Bullet holes or indentations • Indentions or fractures showing blunt force trauma • Stab wounds that reach the bone • Soft tissue markers on the skull

29. 28) In order to determine whether a skeleton belonged to a male or a female, a forensic anthropologist may examine the: • Pelvis • Base of skull • Forehead • Jaw • All of the above

30. 29) Which of the following is NOT generally used to determine height of a decedent? • Femur • Tibia • Humerus • Sternum

31. 30) The examination of bite mark evidence and its relation to a criminal investigation is known as: • Forensic Biology • Forensic Odontology • Forensic Anthropology • Forensic Entomology

32. 31) Rigor mortis may occur very quickly if the victim was: • Running before death • Stabbed repeatedly • Extremely cold • Beat around the head repeatedly

33. 32) Which of the following is the first stage in decomposition of the body in putrefication? • Skin begins to marble • Skin develops blisters • Abdomen takes on greenish color • Bloating

34. 33) A corpse was discovered in an apartment last November. It was that of a 50-year-old male who died of a heart attack. At the time of discovery, the body temperature was determined to be 890F. What is the most probable post mortem interval? • 1 hour • 7 hours • 2 hours • 4 hours

35. 34) The rate of cooling of a dead body can be influenced by all BUT the: • Size of body • Gender of victim • Weather conditions • Location

36. 35) As the post mortem interval increases, the concentration of potassium in the vitreous humor of the eye: • Decreases • Increases • Remains the same

37. 36) Rigor mortis refers to the: • Temperature of death • Stiffness of death • Time of death • Color of death

38. 37) Which of the following is an element? • Wood • Water • Aluminum • Air • Fire

39. 38) The physical state that has both shape and volume is a: • Solid • Liquid • Gas • Vapor • All of these

40. 39) Which of the following is false? • The basic building blocks of all substances are elements. • Elements are composed of atoms. • Two or more elements combine to form compounds. • Compounds are composed of molecules. • At present, 96 compounds have been identified.

41. 40) Organic chemistry is the study of substances containing the element: • Hydrogen • Oxygen • Nitrogen • Carbon • Silicon

42. 41) A technique for separating and tentatively identifying the components of a mixture is: • Spectrophotometry • Infrared • Chromatography • Mass spectrometry • Ultraviolet

43. 42) The distribution of a substance between a mobile and stationary phase describes: • Spectrophotometry • Dispersion • Density-gradient tubes • Chromatography • Mass spectrometry

44. 43) The recorder of a spectrophotometer measures the: • Rf value of light • Retention time of light • Absorption of light at specific frequencies • Refractive index of light • Speed of light

45. 44) The most abundant element of the earth’s crust is: • Oxygen • Hydrogen • Carbon • Aluminium • Silicon

46. 45) A “fingerprint” of an element is obtained by the technique of: • Infrared spectrophotometry • Ultraviolet spectrophotometry • Gas chromatography • Emission spectroscopy • Thin-layer chromatography

47. 46) Which of the following statements is false? • Protons and neutrons comprise the nucleus of an atom. • The proton has a charge of +1. • The neutron has no electrical charge. • The electron and proton have the same mass. • An atom has an equal number of protons and electrons.

48. 47) The atoms of hydrogen, deuterium, and tritium all have the same number of protons, but differ in the number of neutrons they possess. These substances are: • Elements • Compounds • Molecules • Radioactive • Isotopes

49. 48) In neutron activation analysis, an element is identified by measuring the energy of emitting: • Protons • Electrons • Neutrons • Gamma rays • Alpha rays

50. 49) Gamma rays are: • Electrons • Protons • Neutrons • Alpha particles • Electromagnetic radiation