Questions

Question 1

what are the three types of microscopes and what are they used for?

Answer 1

comparison, flueroscence, electron

Question 2

How often does hair get replaced?

Answer 2

every 3 years

Question 3

What is the medullary index?

Answer 3

diameter of medulla divided by diameter of entire hair. 0.5 is animal, 0.33 is human

Question 4

How often does hair grow?

Answer 4

six inches per year

Question 5

How many head hairs should be collected?

Answer 5

50, 25 from pubic rest from others

Question 6

What is the main function of hair?

Answer 6

regulate body temperature

Question 7

How would African hair be described?

Answer 7

curly/coiled, can differ in size shape, and color,

Question 8

How would Asian hair be described?

Answer 8

straight & densely distributed, shaft is coarse and straight

Question 9

How would European hair be described?

Answer 9

straight or wavy, small and evenly distributed pigment, color can be blonde, red, brown or black

Question 10

What is the anagen stage?

Answer 10

active growth when the cells around the follicle is dividing and depositing material, lasts 1,000 days,85% of all hair is in this stage

Question 11

What is the telogen stage?

Answer 11

resting stage, hair follicle is dormant and hair is lost, 12% of hair is in this stage

Question 12

What are the 6 locations of hair?

Answer 12

head, eyebrows and lashes, beard, underarm, auxiliary/body hair, pubic

Question 13

What is a medulla pattern that is one unbroken line?

Answer 13

continuous

Question 14

What is a medulla pattern that is broken at regular intervals?

Answer 14

interrupted

Question 15

What is a medulla pattern that is a pigmented line unevenly spaced?

Answer 15

fragmented/segmented

Question 16

What is a medulla pattern that fills the medulla and the cortex?

Answer 16

solid

Question 17

What is a medulla pattern that has no pigment separation in the medulla?

Answer 17

none