Wavelengths Study guides, Class notes & Summaries

ABO EXAM PRE-TEST QUESTIONS AND ANSWERS 2023 150 mm - ️️ When ordering a six inch temple, its corresponding millimeter value is which of the following? A. 135 mm B. 140 mm C. 145 mm D. 150 mm 500 mm - ️️ What is the focal length of a 2 diopter lens? A. 500 cm B. 39.37 inches C. 500 mm D. 2 meters Nanometers - ️️ Wavelengths are measured in A. Meters B. Decimeters C. Centimeters D. Nanometers UVC - ️️ Which of the following has the shortest and therefore most harm...

MILADY ESTHETICS ADVANCED EXAM QUESTIONS WITH CORRECT ANSWERS What laser and wavelength would be used for hair removal? diode at 800 nm What is NOT true of laser photons? they are incoherent What quality of laser light keeps it from dispersing the way normal white light does? the fact that it is "in phase" What governmental agency oversees the safety of employees in the workplace? Occupational Safety and Health Administration (OSHA) What is NOT an aspect of properly co...

Bio principles unit 2 brooks questions and answers graded A+ all organisms are made of cells and come from cells Cell theory When the cell size (INCREASES or DECREASES), the membrane gets smaller compared to cell volume. increases the study of cells Cytology "how can cork float" Took sections, looked under microscope and found that they had tiny chambers (aka cells) Robert Hooke Part of electromagnetic spectrum via sun, delivering energy that can be recorded as waveleng...

ABO EXAM PRE-TEST When ordering a six inch temple, its corresponding millimeter value is which of the following? A. 135 mm B. 140 mm C. 145 mm D. 150 mm - ANSWER 150 mm What is the focal length of a 2 diopter lens? A. 500 cm B. 39.37 inches C. 500 mm D. 2 meters - ANSWER 500 mm Wavelengths are measured in A. Meters B. Decimeters C. Centimeters D. Nanometers - ANSWER ...

Milady Standard Esthetics Book Why is UVB radiation also known as "burning rays"? - ANSWER UVB wavelengths cause cancer as well as burning of the skin What is not an element of the skin's acid mantle? - ANSWER blood (sebum, lipids, and sweat are part of the skin's acid mantle) What causes injured skin to restore itself to its normal thickness? - ANSWER hyperproducti...

Which of the following lamps provides a continuous spectrum of radiant energy in the visible, near IR, and near UV regions of the spectrum? A. Tungsten-filament B. Hydrogen C. Deuterium D. Mercury vapor - A most common light source for photometry in the visible region. continuous spectrum (360-800 nm). near IR and UV. Hydrogen and Deuterium (200-375 nm) Mercury vapor- not a continuous spectrum, emitting radiation at specific wavelengths Which of the following isolates light within a na...

Statistics 100 Final Review Questions With Complete Solutions We record the zip codes of newly admitted students. How should we treat this data? correct answer: As categorical data We record the wavelengths of light reflecting off of several bird-of-paradise feathers. How should we treat this data? correct answer: as numeric data We record the genus of every tree identified along a transect. How should we treat this data? correct answer: as categorical data The height of bars in a h...

Test Bank for Essential Cell Biology 5th Edition Alberts Hopkin ESSENTIAL CELL BIOLOGY, 5th EDITION CHAPTER 1: CELLS: THE FUNDAMENTAL UNITS OF LIFE Unity and Diversity of Cells 1-1 Living systems are incredibly diverse in size, shape, environment, and behavior. It is estimated that there are between 10 million and 100 million different species. Despite this wide variety of organisms, it remains difficult to define what it means to say something is alive. Which of the following can be desc...

Light microscopy CORRECT ANSWER Limited ability to visualize bacterial components or distinguish between bacteria without doing something extra Electron microscopy CORRECT ANSWER Can view exterior and internal structures, smallest specimens Phase-contrast microscopy CORRECT ANSWER Refracts the light that goes through the specimen; can see detail, live cells Fluorescence microscopy CORRECT ANSWER Use of fluorochromes that emit light of specific wavelengths when excited by light of a diff...

Why is UVB radiation also know as "burning rays"? - correct answer UVB wavelengths cause burning of the skin as well as cancer What is NOT an element of the skins acid mantle? - correct answer Blood What causes injured skin to restore itself to its normal thickness? - correct answer Hyperproduction of cells What are the items in the dermis that respond to touch, pain, cold, heat and pressure? - correct answer Sensory nerve endings What are most abundant in the fingertips, as oppose...