Hair and Fiber Warm-up (11/13/2024)

Last updated about 1 year ago

13 questions

11/13

11/14

Required

Table 4.2

11/15

Required

11/18

11/19

Required

Hair and Fiber Warm-up (11/13/2024)

Last updated about 1 year ago

13 questions

11/13

Match the stage of hair growth with its appropriate description.

Draggable item		Corresponding Item
catagen stage		active growth period of hair; 80--90% of hairs are in this phase for humans
telogen phase		period where follicle recedes and the blood supply is reduced

These 100 shed hairs would most likely be in the ________ stage.

anagen

catagen

telogen

11/14

Required

During which phase(s) of hair growth is the follicle actively receding from the hair shaft?

Required

Hairs shed during the telogen phase of growth will most likely not contain

mitochondrial DNA

nuclear DNA

keratin

medulla

Required

Categorize the following fibers as natural or synthetic.

asbestos
cashmere
wool
nylon
elastane

Table 4.2

11/15

Required

Categorize the following textile samples by their weave patterns.

plain

11/18

Required

Give the definition of a fiber and an example of a fiber.

Required

What are the four classes of fibers?

Required

11/19

Required

An unknown fiber is tested using the burn test to determine its identity. The fiber stops burning when removed from the flame, smells putrid (like burnt hair), and creates a brittle, crumbly black residue.

The fiber's identity is __________.

Required

There is a mystery textile on your table. Perform a burn test on one of the threads, and use the dissecting microscopes to determine the weave pattern. 

type of fiber (determined by burn test): _______ 

weave pattern (determined through microscopic analysis): _______ 

Required

What type of weave pattern is shown? _______ 

Required

Rank the following fibers in terms of their uniqueness and potential value to an investigation.

TOP = most unique/potentially important

cashmere fibers
white cotton that was recovered 3 days after the initial crime
red dyed cotton
white cotton

Hair and Fiber Warm-up (11/13/2024)

Hair and Fiber Warm-up (11/13/2024)

Match the stage of hair growth with its appropriate description.

These 100 shed hairs would most likely be in the ________ stage.

During which phase(s) of hair growth is the follicle actively receding from the hair shaft?

Hairs shed during the telogen phase of growth will most likely not contain

Categorize the following fibers as natural or synthetic.

Categorize the following textile samples by their weave patterns.

Give the definition of a fiber and an example of a fiber.

What are the four classes of fibers?

Rank the following fibers in terms of their uniqueness and potential value to an investigation.TOP = most unique/potentially important

Match the stage of hair growth with its appropriate description.

These 100 shed hairs would most likely be in the ________ stage.

During which phase(s) of hair growth is the follicle actively receding from the hair shaft?

Hairs shed during the telogen phase of growth will most likely not contain

Categorize the following fibers as natural or synthetic.

Categorize the following textile samples by their weave patterns.

Give the definition of a fiber and an example of a fiber.

What are the four classes of fibers?

Explain the difference between a destructive and nondestructive test.

Rank the following fibers in terms of their uniqueness and potential value to an investigation.TOP = most unique/potentially important

Rank the following fibers in terms of their uniqueness and potential value to an investigation.

TOP = most unique/potentially important

Rank the following fibers in terms of their uniqueness and potential value to an investigation.

TOP = most unique/potentially important