-forensic-chemistry.docx

GEMINI CRIMINOLOGY ONLINE REVIEW AND TRAINING CENTER P E N E T E E A P Dr. MANUEL V JAUDIAN, LLB. PhD Forensic chemistry- Criminalistics ETEEAP SECOND SEMESTER: S.Y 2015-2016 INSTRUCTION: Select the correct answer for each of the following question. 1. Small diameter of blood stain spatter is based o 1mm. But if a blood stains measures smaller than 1mm, it is an indication that the source of blood occur at a velocity of; A. 5 ft/sec c. 25 ft/sec b. 75 ft/sec D. 100 ft/sec 2. The diameter of blood stains when dropped between 6 inches to 7 inches measures; A. 10 ml c. 11 ml b. 12 ml D. 13 ml 3. When blood strikes to the target from its flow at 90 degrees angle, the shape of the resulting bloodstain is; A. oval c. elongated b. circular D. elliptical 4. What is not included among the factors involved of the presence of gunpowder residue in the hands of a firer? A. Wearing of gloves C. Wash hands with vinegar B. Wind velocity and wind direction D. more than 72 hours 5. Possible presence of semen can be detected through these factors except; A. Spermatozoa c. Spermine b. Choline D. spermatozoon 6. Below are preliminary test for presence of blood. Which one is not included? A. Acetone C. Benzidine test B. Phenomenon D. Leucomalachite 7. A suspected crime scene can be established by determining the presence of blood using; A. Takayama Test C. Luminol test B. Teichmann test D. Guiacum test 8. One of the precautionary measures in preservation of evidence suspected to contain blood is; A. Dry fist using electric fan C. Dry it room temperature B. Place inside paper bag D. Wrap using newspaper 9. The preliminary test for the presence of blood on evidence producing deep blue when positive? A. Phenolphthalein test C. Takayama Test B. Benzidine D. Teichmann Test 10. A discoloration of the body after death when the blood tends to pool in the blood vessels of the most dependent portions of the body and starts 20 to 30 minutes after death and is completed by 12 hours. A. livor mortis c. primary flaccidity d. Maceration D. rigor mortis 11. A wound which if inflicted in the body so serious that it will endanger one’s life. A. mortal wound c. trauma b. coup injury D. superficial wound 12. A wound produced by a blunt instrument such as club and stone. A. incised wound c. hack wound b. lacerated wound D. punctured wound

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13. A displacement of the articular surface of the bone without external wounds. A. Hematoma c. Fracture b. Sprain D. Dislocation 14. A condition of exposure to cold temperature of certain parts of the body which produces mechanical disruption of cell structure characterized by cold stiffening and diminished body. A. immersion foot c. trench foot b. Frostbite D. gangrene 15. A condition of women who have had one or more sexual experience but not had conceived a child. A. virgo-intacts c. demi-virginity b. moral virginity D. physical virginity 16. Fixed discoloration of the blood clothed inside the blood vessels or has diffused to different parts of the body. A. hypostatic lividity c. diffusion lividity b. hyper lividity D. rigor mortis 17. Things used by a person in the commission of a crime, or objects left in a crime scene which are the subjects of criminalistics. A. testimonial evidence c. hearsay evidence b. circumstantial evidence D. physical evidence 18. This test can determine whether blood comes from human or animal. A. Benzidine c. Precipitin b. Phenolphthalein D. DNA 19. What is “Paraffin Casting” for? A. Preservation of nitrates of GPR C. Preservation of GPR B. Test for presence of GPR D. Can be any of the above 20. The technique of “Casting Shoeprint” is intended for; A. Preservation of Nitrates C. Preservation of Footprints/Shoeprint B. Test for Footprints/Shoeprint D. Microscope 21. At the crime scene, when looking for semen as evidence, which below is needed to detect its presence? A. Infrared Camera c. Ultra-Violet b. FTIR D. Microscope 22. Gunpowder residues can be deposited into the target at a maximum distance of; A. 3ft c. 3 yards b. 3 meters D. 3 Inches 23. A clean area suspected to be a crime scene can be established by determining the prence of blood employing; A. Benzidine C. Luminol B. Phenophthalein D. Takayama 24. Instrument used to detect whether a Philippine paper bill is real of fake A. Infrared Lamp C. ultra-violet Light B. Flashlight D. All of the above 25. The maximum time that nitrates of “GPR” stay in the hands of a person who had recently discharged a firearm. A. 72 hrs c. 72 days b.72 minutes D.None of the above 26. How should you collect fibers-evidence when such adheres unto the clothing of a victim or suspect? A. By forceps c. by scotch tape b. by hand D. all of the above 27. To determine whether a person had recently discharged a firearm or not is employing; A. Paraffin Casting test C. Diphenylamine test B. Benzidine test D. None of the above 28. The nitrates of Gunpowder residue reacts with diphenylamine reagent turning into; A. Blue c. Deep Blue b. Dark Blue D. All of the above

29. At the crime scene, a suspected died brownish stain was initially examined and reacted to the test for presence of blood. At the crime laboratory, further examination to the specimen utilizing a microscope, is called; A. Precipitin test c. confirmatory test b. Benzidine Test D. all of the above 30. Confirmatory test for presence of blood id called; A. Microscopic test C. Chemical Test B. Microcrystalline test D. none of the above 31. The purpose of sterilized gauze bandage or absorbent cotton in paraffin casting is for; A. Extractor of GPR C. Reinforcement B. Hardening D. all of the above 32. One of the precautionary measures in preservation of evidence suspected to contain blood is; A. Dry first using electric fan C. Dry at room temperature B. Place inside paper bag D. Wrap using Newspaper 33. In order to determine the pattern of gunpowder residue around the gunshot hole of dark clothing of victims of shooting incident can be made visible by; A. Diphenylamine C. Walker’s Test B. UV-Light Test D. Florence Test 34. A tip of the hair is examined to determine if it was A. Bend c. Folded b. Stretched d. Cut 35. The following are accurate tests for the presence of alcohol in the human body except; A. Saliva test c. Harger Breath Test b. Fecal test d. Blood test 36. The application of chemical principles and processes in the examination of evidence. A. Forensic Medicine c. Forensic Evidence b. Criminalistics d. Forensic Chemistry 37. Volatile poisons may be isolated by means of? A. Dialysis c. Dilution b. Distillation d. Extraction 38. The process in reproducing physical evidence by plaster moulds. A. Casting c. Cementing b. Moulage d. Sticking 39. The test used to determine the presence of semen particularly in stained clothing. A. Florence Test c. Barberio’s Test b. Microscopic Test d. Ultra-Violet Test 40. The test used to determine the presence of blood in stained material. A. Florence Test c. Barberio’s Test b. Takayama Test D. Phenolphtalein Test 41. The major component of a glass. A. Lime c. Soda b. Silica D. Gel 42. Poisons which produce stupor and less feeling. A. Narcotics c. Irritants b. Depressants D. Stimulants 43. A supercooled liquid which possess high viscosity and rigidity. A. dry ice c. cartridge case b. Gel D. glass 44. The study and identification of body fluids. A. Pharmacology c. Serology b. Posology D. Immunology 45. The test to determine whether blood is of human origin or not. A. Blood typing c. Precipitin Test b. Confirmatory Test D. Preliminary Test 46. The circulating tissue of the body. A. Blood c. Cells b. Muscles D. Liver

47. The complete, continuous, persistent cessation of respiration, circulation and almost all brain function of an organism. A. Apparent death c. Molecular death b. Cellular Death D. Somatic death 48. The approximate time for the completion of one case for DNA Testing. A. minimum of eight weeks c. minimum of six weeks b. minimum of four weeks D. minimum of two weeks 49. DNA stands for A. Deonatural Acid c. Deoxyribonucleic Acid b. Denaturalized Acid D. Deoxy Nucleic Acid 50. The cause of death of a person who immediately died because of lack of oxygen for around 3 to five minutes. A. Stroke c. Asphyxia b. Stupor D. Exhaustion

ETEEAP

AUTHENTICATED BY: NAME: _________________ DATE: ________________ CENTER OF EQUIVALENCY AND ACCREDITATION PHINMA-COC CRIMINOLOGY