FRSC 365

FRSC 365 TEST 3 EXAM DETAILED QUESTIONS AND VERIFIED CORRECT ANSWERS GRADED A++ what is the outermost section of a hair shaft called cuticle what is the core of a hair shaft called medulla what are the 3 cuticle patterns and what do they resemble coronal (crown), spinous (petal), imbricate (irregular) in what section of the hair shaft is pigment found cortex what are the 2 types of pigmentation in a cortex and what is their appearance eumelanin: brown/black pheomelanin: yellow/red wh...

FRSC 365 - EXAM 3 QUESTIONS WITH COMPLETE VERIFIED ANSWERS GRADED A++ What amount of pigment is typically found in caucasoid hair? light/medium What amount of pigment is typically found in mongoloid/negroid hair? heavy What is the cross-sectional shape of each hair type? C - oval N - oblate M - round What is the cuticle thickness for each type of hair? C - thin N - thin M - thick What type of pigmentation is found in each type of hair? C - even N - clumped M - even/streaks What ...

FRSC 365 EXAM 2 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED What is the significance of the field diaphragm? reduces stray light entering the condenser and slightly affects image contrast What is the significance of the substage condenser? gathers and concentrates light to illuminate specimen w/ uniform intensity; readjust w/ change in mag. What are the two condenser types? Abbe and Achromat/Aplanat What is numerical aperture? the ability to gather light and resolve fine detai...

FRSC 365 - EXAM 1 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED What are the four ways light can interact with objects? reflection, refraction, absorption, and diffraction What is the speed of light in a vacuum? 3 x 10^8 m/s What are the four types of light? monochromatic, collimated, coherent, polarized What is monochromatic light? light waves are all the same wavelength and frequency (one color) What is polarized light? vibrational direction in the same plane What is cohere...

FRSC 365 TEST 4 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED what is polarized light light rays that vibrates parallel to each other what are 2 key features of a microscope designed for polarized light microscopy - the objective lenses are strain free to eliminate birefringence - the stage can rotate 2 features of isotropic materials - only 1 refractive index - disorganized molecular structure 2 features of anisotropic materials - can have several refractive indices - or...