Module 2 (weeks 3 and 4)

Question 1

What is a gross examination?

Answer 1

visible to the unaided eye

Question 2

In a healthy middle-aged individual, carbon monoxide concentration greater than …… is considered fatal

Answer 2

50-60%

Question 3

What are tangential fractures lines?

Answer 3

encircle point of impact

Question 4

What is livor mortis?

Answer 4

pooling of blood

Question 5

What is rigor mortis?

Answer 5

stiffness

Question 6

What is algor mortis?

Answer 6

cooling of body

Question 7

What wounds does blunt trauma cause?

Answer 7

lacerations

Question 8

What wounds do sharp objects cause?

Answer 8

incisions

Question 9

What is exsanguination?

Answer 9

bleeding to death

Question 10

What is the manner of death?

Answer 10

how the death came to be

Question 11

What is the cause of death?

Answer 11

how the person died

Question 12

What is “grave wax” produced via?

Answer 12

saponification

Question 13

What are 4 levels of progressive decomposition?

Answer 13

decay, fresh, bloat, dry

Question 14

What insects are late stage scavengers?

Answer 14

hide beetles

Question 15

What are the steps in the crime scene investigation process? (8)

Answer 15

assessment
control
preservation
examination
interpretation
recording 
collection
case management

Question 16

What must a qualified CSI be able to do?

Answer 16

process anything found at a crime scene

Question 17

What is an example of a non-pyrolyzable solid fuel?

Answer 17

charcoal

Question 18

What should fire debris suspected of containing ignitable fluids be collected in?

Answer 18

sealed metal can

Question 19

What are 2 examples of petroleum-based accelerants?

Answer 19

kerosene and gasoline

Question 20

What is Mickrosil used for?

Answer 20

capturing fine details on sliding tool marks

Question 21

What biological fluid does the acid phosphate test identify?

Answer 21

semen

Question 22

What are blood and biological fluids collected in?

Answer 22

sealed paper bags

Question 23

What are the products of complete combustion? (3)

Answer 23

heat, water and carbon dioxide

Question 24

What is an example of a primary high explosive?

Answer 24

nitroglycerine

Question 25

What are 3 tests for blood?

Answer 25

Hemastix luminol O-Tol

Question 26

What is the preparation technique for fire debris samples containing hydrocarbons of low volatility?

Answer 26

solvent wash

Question 27

What are the characteristics of an entry wound at contact (3), intermediate (1) and distant ranges (1)?

Answer 27

contact: soot on outside of skin muzzle imprint laceration from gases intermediate: powder stippling distant: hole roughly size of projectile caliber

Question 28

Are exit wound generally larger or smaller than entry wounds?

Answer 28

larger

Question 29

What type of guns have no rifling inside the barrel?

Answer 29

shot guns

Question 30

What part of the gun will determine how long a force is applied to the bullet?

Answer 30

barrel length

Question 31

What is not discharged from the rifle muzzle upon firing?

Answer 31

cartridge

Question 32

What is the land-to-land diameter called?

Answer 32

caliber

Question 33

What instrument is used for the identification of a firearm?

Answer 33

comparison microscope

Question 34

What do rifled weapons have?

Answer 34

lands and grooves

Question 35

What are the three types of rotational forces that can act on a bullet?

Answer 35

yaw precession nutation

Question 36

What are the three types of damage bullets can cause to tissue?

Answer 36

laceration + crushing cavitation shock waves

Question 37

What is the muzzle velocity?

Answer 37

speed of bullet exiting barrel

Question 38

What is etching?

Answer 38

technique used to recover serial numbers that have been defaced