Midterm

Question 1

What are the 3 sections of the palm?

Answer 1

Thenar, hypothenar, interdigital

Question 2

Where is the interdigital area of the palm?

Answer 2

Below the fingers

Question 3

Where is the thenar area of the palm?

Answer 3

Base of the thumb

Question 4

Where is the hypothenar area of the palm?

Answer 4

The side of the palm

Question 5

What are the key elements of WHMIS?

Answer 5

Hazard classification, cautionary labelling of containers, the provision of safety data sheets (SDSs) and worker education and training programs

Question 6

What does WHMIS stand for?

Answer 6

Workplace Hazardous Materials Information System

Question 7

What is the worker’s responsibility in WHMIS?

Answer 7

Participate in the education and training programs and to use this information to help them work safely with hazardous products

Question 8

What does SDS stand for?

Answer 8

Safety Data Sheets

Question 9

What are the 4 main purposes of SDS?

Answer 9

It provides information on:
1. Identification of the product and supplier
2. Hazard identification
3. Prevention
4. Response

Question 10

Exploding bomb WHMIS symbol

Answer 10

Explosion or reactivity hazards

Question 11

Gas cylinder WHMIS symbol

Answer 11

Gases under pressure

Question 12

Starburst in lungs WHMIS symbol

Answer 12

Health hazard - may cause or suspected of causing serious health effects

Question 13

Flame WHMIS symbol

Answer 13

Fire hazard

Question 14

Corrosion WHMIS symbol (test tubes pouring)

Answer 14

Corrosive damage to metals, skin, and eyes

Question 15

Exclamation mark WHMIS symbol

Answer 15

May cause less serious health effects or damage the ozone layer

Question 16

Flame over circle WHMIS symbol

Answer 16

Oxidizing hazards

Question 17

Skull and crossbones WHMIS symbol

Answer 17

Can cause death or toxicity with short exposure to small amounts

Question 18

Environment WHMIS symbol

Answer 18

May cause damage to the aquatic environment

Question 19

Biohazards infection materials WHMIS symbol

Answer 19

Organisms or toxins that can cause diseases in people or animals

Question 20

What should you do with your bench notes if using a forensic light source?

Answer 20

Indicate the wavelength or filters used and results

Question 21

Sequential Processing

Answer 21

A process used to examine an item in a methodical and systematic approach

Question 22

What are the first 3 steps of sequential processing?

Answer 22

Visual examination, white light, forensic light source

Question 23

Luminescence

Answer 23

Emission of light

Question 24

Specular Light

Answer 24

When light strikes a smooth surface and reflects at the same angle and parallel

Question 25

Biometrics

Answer 25

Using unique biological measurements or features to identify individuals (bio=life and metric=measure)

Question 26

What are the 2 methods of obtaining data for an AFIS system?

Answer 26

Inked tenprint sheets scanned into the system. Livescan digitizes impressions loaded directly into AFIS.

Question 27

What is the purpose of automated fingerprints for law enforcement?

Answer 27

Determine if a person has a previous criminal record and conduct searches of crime scene prints

Question 28

3 Fundamental Stages of AFIS

Answer 28

Data acquisition, feature extraction, decision making

Question 29

ER spectrum visible light range

Answer 29

Red to violet. Red at 700 nm and blue at 400 nm.

Question 30

What are the lines/creases in your palm called?

Answer 30

Flexion creases

Question 31

Which way does the radial longitudinal crease run?

Answer 31

Curves along the border of the thenar area of the palm, forming a semicircle

Question 32

Vestige

Answer 32

An area at the top of the thenar with friction ridges running perpendicular to the flow of thenar ridges

Question 33

Starburst and where

Answer 33

The webbing between the thumb and index finger that doesn’t often contact a substrate

Question 34

Where would you find loops and whorls on the palm?

Answer 34

Hypothenar area

Question 35

Light through glass does what

Answer 35

The intensity is reduced and absorbed by the glass, it bends and refracts into the air

Question 36

E Lines

Answer 36

Found on the outside (ulnar) edge between the base of the little finger and the distal transverse crease. Usually 3 short parallel creases that look like an E.

Question 37

What wavelength is red light?

Answer 37

700 nm, a lower frequency and less energy

Question 38

M Crease on Palm

Answer 38

Major flexion creases are the largest creases of the palm, and often resemble the letter M

Question 39

What wavelength is blue light?

Answer 39

400 nm, a higher frequency and more energy

Question 40

AFIS Data Acquisition Stage

Answer 40

Senses fingerprint to be recognized

Question 41

AFIS Feature Extraction Stage

Answer 41

A pattern is extracted from the sense image

Question 42

AFIS Decision Making Stage

Answer 42

Information is extracted from the recognized image is compared with images stored in the system