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WorksheetsHair Evidence Quiz
Total questions: 10
Worksheet time: 5mins
The shaft of the hair is considered class evidence in a trial.
True
False
Hair is composed of a protein called keratin.
True
False
All hairs on the head of a person are identical.
True
False
The cortex of the hair contains pigment (color).
True
False
Why is hair mostly considered class evidence?
Because its characteristics can be linked to a certain class of people.
Without the follicle, it can’t be linked to an individual.
Hair can only indicate a racial group/sex/age; therefore, can only be matched to a class of individuals.
All of the above
Which part of the hair is found between the cuticle and medulla?
papilla
pigment grain
Cortex
Follicle
Which famous political leader’s hair analysis determined that he died from a poison called arsenic?
Hitler
Napoleon
Alexander the Great
Stalin
What is the medullary index of a hair if the width of the medulla is 1 micron and the width of the hair shaft is 3 microns.
3
0.5
0.3
0.75
The body of a woman was found in the woods. Some hair fibers found on the body were sent to the crime lab for analysis. The ends of the hair attached to the body were gray, but showed that it had been dyed. The distance from the root of the hair to the beginning of the dyed area measured 8 mm. Investigators determined that the victim’s hair had last been dyed on August 1, 2004. Assuming the hair grows at a rate of 0.44 mm per day, approximately what date did the woman die?
August 17, 2004
August 4, 2004
August 19, 2004
August 25, 2004
A cast of a hair surface can be made using:
tape
clear nail polish
vinyl
concrete
