FORENSICS FINAL EXAM QUESTIONS WITH VERIFIED ANSWERS
What are six questions that can be answered by bones? - ans-
xz xz xz xz xz xz xz xz xz xz xz
sex, age, height, ancestry, weight, genetic diseases
xz xz xz xz xz xz
How are striations (internal ballistics) created? - ans-
xz xz xz xz xz xz xz
the rifling inside the gun leaves marks on the bullet as it leaves the chamber
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
How can clothing show that someone has fired a gun? - ans-
xz xz xz xz xz xz xz xz xz xz xz
gun powder residue can be left on the clothes
xz xz xz xz xz xz xz xz
what types of insects invade a decaying body? - ans-
xz xz xz xz xz xz xz xz xz
blowfly, maggots, flesh flies, beetles, and necrophages
xz xz xz xz xz xz
How can a forensic entomologist tell the time of death? - ans-
xz xz xz xz xz xz xz xz xz xz xz
based on the stage of larval laid by the blowflies
xz xz xz xz xz xz xz xz xz
What are five things that can be determined from a single hair? - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz
race, DNA, drug test, animal or human, disease
xz xz xz xz xz xz xz
Who was the first person to classify fingerprints? - ans-Sir Francis Galton
xz xz xz xz xz xz xz xz xz xz xz
What are the seven basic fingerprint patterns? - ans-
xz xz xz xz xz xz xz xz
plain arch, tented arch, loop, ulnar loop, radial loop, whorls, plain whorls
xz xz xz xz xz xz xz xz xz xz xz
Why is super glue sometimes used to find prints? - ans-
xz xz xz xz xz xz xz xz xz xz
it sticks to the fingerprints on surfaces like cans so that they can be seen
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
What four components are needed to superglue fume fingerprints? - ans-
xz xz xz xz xz xz xz xz xz xz
super glue, aluminum foil, low level heat source, fuming chamber
xz xz xz xz xz xz xz xz xz
What is done in bite mark analysis? - ans-
xz xz xz xz xz xz xz xz
a cast is made and dental records are compared to cast
xz xz xz xz xz xz xz xz xz xz
Name ten things done in an autopsy - ans-1) outside of body is examined 2) Y-
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
incision 3) remove organs 4) weigh organs 5) examine organ content 6) get samples of all o
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
f the organs 7) blood tests and toxicology 8) brain is removed 9) tissue samples taken 10) p
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
ut all of the organs back and sew the body up
xz xz xz xz xz xz xz xz xz xz
Describe the six stages of decay that a body undergoes after death - ans-1: fresh stage- (1-
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
2 days) commences at moment of death and ends when bloating is first evident
xz xz xz xz xz xz xz xz xz xz xz xz xz
2: bloated stage- (2-6 days) putrefaction begins, gasses build up
xz xz xz xz xz xz xz xz xz xz
, 3: Decay stage- (5-
xz xz xz
11 days) begins when abdominal wall is broken, carcass assumes blacked, wet appearanc
xz xz xz xz xz xz xz xz xz xz xz xz
e, maggots remove flesh
xz xz xz
4: Post-decay stage- (10-
xz xz xz
25 days) remains consist of dry skin, cartilage, and bones, in wet habitats, viscous material
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
remains. xz
5:Dry-stage-(25+ days) mainly bones and hair, odor is gone xz xz xz xz xz xz xz xz
How might DNA fingerprinting be helpful in solving a crime? - ans-
xz xz xz xz xz xz xz xz xz xz xz
Can be used to compare suspects fingerprints, helps identify who was there; especially use
xz xz xz xz xz xz xz xz xz xz xz xz xz
ful if fingerprint is extra unique due to scarring or extra fingers
xz xz xz xz xz xz xz xz xz xz xz
Describe the collect collection technique at a crime scene for each of these:
xz xz xz xz xz xz xz xz xz xz xz xz
a. blood stains
xz xz
b. seminal stains
xz xz
c. hair xz
d. fibers and threads
xz xz xz
e. firearms evidence
xz xz
f. latent fingerprints - ans-a. blood stains-
xz xz xz xz xz xz
take picture and collect with gauze if wet and pick up object if dried
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
b. seminal stains- you can take a swab or allow to dry and package object it is found on
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
c. hair- sticky tape, lint roller, evidence vacuum
xz xz xz xz xz xz xz
d. fibers and threads-
xz xz xz
use clean forceps, fold fiber into small sheet of paper, store in paper bag
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
e. firearms evidence-
xz xz
photograph, grab any shell casings and disarm guns, cut out any surface containing bullet
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
f. latent fingerprints- dusting, iodine fuming, ninhyrdrin, silver nitrate, and superglue
xz xz xz xz xz xz xz xz xz xz
What types of cells can be observed under the microscope? - ans-
xz xz xz xz xz xz xz xz xz xz xz
all living cells can be observed under a microscope
xz xz xz xz xz xz xz xz
What are the four steps in DNA processing? - ans-extract, amplify, separate, and analyze
xz xz xz xz xz xz xz xz xz xz xz xz xz
What is a DNA profile? - ans-the determination of an individual's DNA characteristics
xz xz xz xz xz xz xz xz xz xz xz xz
What is forensic toxicology? - ans-The evaluation of drugs or substances to solve crimes
xz xz xz xz xz xz xz xz xz xz xz xz xz
What are the three fluids collected from the body? - ans-blood, saliva, and vitreous humor
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
What are six questions that can be answered by bones? - ans-
xz xz xz xz xz xz xz xz xz xz xz
sex, age, height, ancestry, weight, genetic diseases
xz xz xz xz xz xz
How are striations (internal ballistics) created? - ans-
xz xz xz xz xz xz xz
the rifling inside the gun leaves marks on the bullet as it leaves the chamber
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
How can clothing show that someone has fired a gun? - ans-
xz xz xz xz xz xz xz xz xz xz xz
gun powder residue can be left on the clothes
xz xz xz xz xz xz xz xz
what types of insects invade a decaying body? - ans-
xz xz xz xz xz xz xz xz xz
blowfly, maggots, flesh flies, beetles, and necrophages
xz xz xz xz xz xz
How can a forensic entomologist tell the time of death? - ans-
xz xz xz xz xz xz xz xz xz xz xz
based on the stage of larval laid by the blowflies
xz xz xz xz xz xz xz xz xz
What are five things that can be determined from a single hair? - ans-
xz xz xz xz xz xz xz xz xz xz xz xz xz
race, DNA, drug test, animal or human, disease
xz xz xz xz xz xz xz
Who was the first person to classify fingerprints? - ans-Sir Francis Galton
xz xz xz xz xz xz xz xz xz xz xz
What are the seven basic fingerprint patterns? - ans-
xz xz xz xz xz xz xz xz
plain arch, tented arch, loop, ulnar loop, radial loop, whorls, plain whorls
xz xz xz xz xz xz xz xz xz xz xz
Why is super glue sometimes used to find prints? - ans-
xz xz xz xz xz xz xz xz xz xz
it sticks to the fingerprints on surfaces like cans so that they can be seen
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
What four components are needed to superglue fume fingerprints? - ans-
xz xz xz xz xz xz xz xz xz xz
super glue, aluminum foil, low level heat source, fuming chamber
xz xz xz xz xz xz xz xz xz
What is done in bite mark analysis? - ans-
xz xz xz xz xz xz xz xz
a cast is made and dental records are compared to cast
xz xz xz xz xz xz xz xz xz xz
Name ten things done in an autopsy - ans-1) outside of body is examined 2) Y-
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
incision 3) remove organs 4) weigh organs 5) examine organ content 6) get samples of all o
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
f the organs 7) blood tests and toxicology 8) brain is removed 9) tissue samples taken 10) p
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
ut all of the organs back and sew the body up
xz xz xz xz xz xz xz xz xz xz
Describe the six stages of decay that a body undergoes after death - ans-1: fresh stage- (1-
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
2 days) commences at moment of death and ends when bloating is first evident
xz xz xz xz xz xz xz xz xz xz xz xz xz
2: bloated stage- (2-6 days) putrefaction begins, gasses build up
xz xz xz xz xz xz xz xz xz xz
, 3: Decay stage- (5-
xz xz xz
11 days) begins when abdominal wall is broken, carcass assumes blacked, wet appearanc
xz xz xz xz xz xz xz xz xz xz xz xz
e, maggots remove flesh
xz xz xz
4: Post-decay stage- (10-
xz xz xz
25 days) remains consist of dry skin, cartilage, and bones, in wet habitats, viscous material
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
remains. xz
5:Dry-stage-(25+ days) mainly bones and hair, odor is gone xz xz xz xz xz xz xz xz
How might DNA fingerprinting be helpful in solving a crime? - ans-
xz xz xz xz xz xz xz xz xz xz xz
Can be used to compare suspects fingerprints, helps identify who was there; especially use
xz xz xz xz xz xz xz xz xz xz xz xz xz
ful if fingerprint is extra unique due to scarring or extra fingers
xz xz xz xz xz xz xz xz xz xz xz
Describe the collect collection technique at a crime scene for each of these:
xz xz xz xz xz xz xz xz xz xz xz xz
a. blood stains
xz xz
b. seminal stains
xz xz
c. hair xz
d. fibers and threads
xz xz xz
e. firearms evidence
xz xz
f. latent fingerprints - ans-a. blood stains-
xz xz xz xz xz xz
take picture and collect with gauze if wet and pick up object if dried
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
b. seminal stains- you can take a swab or allow to dry and package object it is found on
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
c. hair- sticky tape, lint roller, evidence vacuum
xz xz xz xz xz xz xz
d. fibers and threads-
xz xz xz
use clean forceps, fold fiber into small sheet of paper, store in paper bag
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
e. firearms evidence-
xz xz
photograph, grab any shell casings and disarm guns, cut out any surface containing bullet
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
f. latent fingerprints- dusting, iodine fuming, ninhyrdrin, silver nitrate, and superglue
xz xz xz xz xz xz xz xz xz xz
What types of cells can be observed under the microscope? - ans-
xz xz xz xz xz xz xz xz xz xz xz
all living cells can be observed under a microscope
xz xz xz xz xz xz xz xz
What are the four steps in DNA processing? - ans-extract, amplify, separate, and analyze
xz xz xz xz xz xz xz xz xz xz xz xz xz
What is a DNA profile? - ans-the determination of an individual's DNA characteristics
xz xz xz xz xz xz xz xz xz xz xz xz
What is forensic toxicology? - ans-The evaluation of drugs or substances to solve crimes
xz xz xz xz xz xz xz xz xz xz xz xz xz
What are the three fluids collected from the body? - ans-blood, saliva, and vitreous humor
xz xz xz xz xz xz xz xz xz xz xz xz xz xz
