Optical instruments Study guides, Class notes & Summaries

Largest organ of the body - Skin One-celled microorganism with both plant and animal characteristics - Bacteria An optical instrument used for viewing very small objects, such as bacteria or other germs - Microscope A bacterium, virus, or other microorganism that can cause disease - Pathogen Infection transmitted from one person to another - Communicable Pus forming bacteria in the shape of a string of beads - Streptococci Sphere-shaped pathogenic bacteria tha...

FOA CFOT Terms and Definitions A thru Z Exam Questions Correct Answers Current Update (A Pass) What is a linear measure of optical power? - Answers -Watts What is the measure of the color of light, usually expressed in nanometeres (nm) or microns (*m)? - Answers -Wavelength What do you call a technique of sending signals of several different wavelengths of light into the fiber simultaneously? - Answers -Wavelength Division Multiplexing (WDM) The difference (in dB) between the power b...

Space Tools and Explorers|Complete Questions With A+ Graded Answers Refracting telescope uses convex lenses to bend visible light and form an image. reflecting telescope uses concave mirrors to bend light and form images. optical telescopes these telescopes have a disadvantage on earth because of atmospheric conditions. Hubble Launched into space in 1990 it is a space observatory that uses many different kinds of telescopes to send images back to earth. Radio Telescopes...

NCLE Practice Test Questions And Answers Latest Update 2023/2024 | 100% Verified. A long-term, successful, hydrogel contact lens wearer suddenly develops dry eyes. Which of the following is most likely to cause this problem? a) Use of oxidative solution b) use of rewetting drops c) use of anti-histamines d) Wearing of lenses in the wrong eyes - Answer c) use of anti-histamines During slit-lamp evaluation, on upward gaze, a patient's soft contact lenses move 0.5 to 1mm when the patient bl...

____ uses computers to test produt designs - computer-aided engineering (CAE) what is the first step in the CIM system process? - product design with CAD (computer-aided design) True or false: Dell computer's built-to-order process is an example of just-in-time manufacturing - true what are some of the responsibilities of a WMS? - track items received, generate pick lists, label packages for shipping and track receipt by customer. what data does a bar code contain? - manufacturer and ite...

NCLE Practice Test Questions And Answers Latest Update 2023/2024. A Correct Statement regarding epithelial cells is that they: a)Comprise the posterior layer of the cornea b)Are unable to regenerate c)Comprise the thickest layer of the cornea d) Have the ability to reproduce - Answer d) have the ability to reproduce Which of the following prescriptions indicates against-the-rule astigmatism? a)-4.50 +1.00 x75 b)-4.50 +1.00 x 180 c)-4.50 -1.00 x 165 d)4.50 -1.00 x 180 - Answer a)-4.50 +1...

What is a photomultiplier? - A vacuum tube consisting of a photoemissive cathode, a series of intermediate electrodes called dynodes, and a collection anode. What does a single-beam spectrophotometer do? - A single-beam spectrophotometer employs one beam of radiation that irradiates one cell. What happens in a deuterium lamp? - The lamp energy from the power source produces an excited deuterium molecule that dissociates into two atoms in the ground state and a photon and the energies of th...

Histotechnology Ch 3 - InstrumentationEffect of too cold instrumentation - correct answers tissue fragments/splits Effect of too warm instrumentation - correct answers tissue collects at blade edge What is the proper temperature for cold instruments? - correct answers -20 for normal tissue -10 for brain, liver, spleen, LN, endometrial scrapings What type of microscope? Anisotropic or five fringant material will be bright against a dark background at the optical paths of the polari...

Histotechnology Ch 3 - InstrumentationEffect of too cold instrumentation - correct answers tissue fragments/splits Effect of too warm instrumentation - correct answers tissue collects at blade edge What is the proper temperature for cold instruments? - correct answers -20 for normal tissue -10 for brain, liver, spleen, LN, endometrial scrapings What type of microscope? Anisotropic or five fringant material will be bright against a dark background at the optical paths of the polari...

NCLE Practice Exam Questions with Correct Answers Already Graded A+ 2023-2024. Upon initial insertion of a GP lens, the patient complains about flare. To correct this problem, the fitter should choose a lens with a/an: a) increased base curve b) increased optical zone c) decreased optical zone d) flattened base curve - Answer b) increased optical zone Which curve would a fitter modify to allow more tear flow under the edge of a rigid lens? a) Posterior peripheral curve b) Optical curve ...