330 Week 2 HFP

Manufactured fibers only originate from synthetic sources.

• True

• False

Hairs that have a white tip (root) are from which stage of the hair growth cycle?

• Anagen

• Catagen

• Telogen

• Termination

What instrument is best for comparing the layers of two paint chips?

• low power microscope

• comparison microscope

• pyrolysis gas chromatography

• microspectrophotometry

Light that is refracted in two different directions in manufactured fibers is called:

• refraction

• refringence

• birefraction

• birefringence

Isotopes found in hair that are used to get a body's geographic location are based on isotopes found in:

• food

• water

• soil

• air

Which two layers of hair will retain permanent hair dye?

• Cuticle & medulla

• Cortex only

• Cortex & medulla

• Cuticle & cortex

What instrument is used to determine the components of paint binder?

• pyrolysis gas chromatography

• microscopy

• thin layer chromatography (TLC)

• microspectrophotometry

Dye color can be characterized using:

• TLC and microspectrophotometry

• Pyrolysis gas chromatography and microspectrophotometry

• TLC and pyrolysis gas chromatography

• Microspectrophotometry and birefringence