Hair and Fiber Warm-up (11/13/2024)
star
star
star
star
star
Last updated 8 months ago
13 questions
11/13
1
Match the stage of hair growth with its appropriate description.
Match the stage of hair growth with its appropriate description.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
anagen stage | arrow_right_alt | active growth period of hair; 80--90% of hairs are in this phase for humans |
catagen stage | arrow_right_alt | period where follicle recedes and the blood supply is reduced |
telogen phase | arrow_right_alt | hair follicles are dormant during this stage; hairs are easily shed |
1
These 100 shed hairs would most likely be in the ________ stage.
These 100 shed hairs would most likely be in the ________ stage.
11/14
Required
1
During which phase(s) of hair growth is the follicle actively receding from the hair shaft?
During which phase(s) of hair growth is the follicle actively receding from the hair shaft?
Required
1
Hairs shed during the telogen phase of growth will most likely not contain
Hairs shed during the telogen phase of growth will most likely not contain
Required
1
Categorize the following fibers as natural or synthetic.
Categorize the following fibers as natural or synthetic.
- elastane
- linen
- wool
- cashmere
- asbestos
- nylon
- natural
- synthetic
Table 4.2
11/15
Required
2
Categorize the following textile samples by their weave patterns.
Categorize the following textile samples by their weave patterns.
- plain
- satin
- twill
11/18
Required
1
Give the definition of a fiber and an example of a fiber.
Give the definition of a fiber and an example of a fiber.
Required
1
What are the four classes of fibers?
What are the four classes of fibers?
Required
1
Explain the difference between a destructive and nondestructive test.
Explain the difference between a destructive and nondestructive test.
11/19
Required
1
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
2
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
1
What type of weave pattern is shown? _______
Required
1
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
- cashmere fibers
- red dyed cotton
- white cotton
- white cotton that was recovered 3 days after the initial crime