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