FS exam review

True or False: Toxicologists determine whether substances (like alcohol, prescription or illegal drugs) contributed to a crime by examining bodily fluids, organs and tissues

• True

• False

Forensic investigators find a blood stain that is elongated and suspect it was caused by a forceful blow or gunshot. This is an example of a ..

• passive blood stain

• projected blood stain

• angular blood stain

• circular blood stain

Which of the following technologies have contributed to forensic science..

• computer software

• microscopes

• DNA analysis

• fingerprint database

• all of these have contributed

Blood type that has only b antigens on the RBC's

• Type A
• Type B
• Type AB
• Type O

Type of blood that has both A and B antibodies in the plasma

• Type A
• Type B
• Type AB
• Type O

Type of fingerprint where the ridges enter in one side of the finger, exit from the opposite side

• loop
• whorl
• arch
• ulnar loop

Type of fingerprint in which the ridges enter and exit from the same side of the finger

• loop
• arch
• whorl
• radial arch

Type of fingerprint that is not visible unless "developed"

• plastic
• visible
• pliable
• latent

Why must the base line be drawn in pencil and not pen?

• a) Pencil is good at keeping substances in place.
• b) Pencil is soluble in water
• c) Pencil is insoluble in water
• d) Pencil is not coloured

Mixtures can be separated using chromatography.

• True
• False