Ocular lens - Study guides, Class notes & Summaries

ABO Practice Test 2024 Questions and Answers 1. A lens reads +2.25 in the lensometer. If the ocular curve is -6.00, what is the anterior curve? A. +2.25 B. +6.25 C. +8.25 D. +10.25: C. +8.25

Biology 123 lab exam 1 questions and answers correct and verified 100%Biology 123 lab exam 1 questions and answers correct and verified 100%Biology 123 lab exam 1 questions and answers correct and verified 100%Biology 123 lab exam 1 questions and answers correct and verified 100% total magnification= ocular magnification + objective magnification - correct answers-what is the formula for total magnification? ocular and objective - correct answers-what are the two types of lens on a microsc...

Biol 227 Lab Exam; Questions and Answers 100% Correct body of microscope Answer-arm and base light source Answer-Projects light upwards through the diaphragm, the specimen, and the lenses. Has on/off switch and intensity knob eyepiece Answer-Contains the ocular lens ocular lens Answer-magnifies the image 10x total magnification Answer-objective lens x ocular lens field of view Answer-The area visible through the microscope eyepiece

Course Objectives: Cultivation of samples: growth conditions and equipment used Identification of samples: biochemical assays & tests available Evaluation of samples: microscopy- visualization and key characteristics of specimens Basic Equipment: Cleaning: Autoclave 125°C- uses heat, pressure, & steam to sterilize; autoclave will take minutes to sterilize & hot dry air which will take hours; before opening make sure it is depressurized and will have very hot air. Growing (bacteria/patho...

phylogeny - ANSWERThe study of evolutionary relationships among organisms is called ______. Last Universal Common Ancestor - ANSWERThe three cell types discussed, eukaryotes, archaea, and bacteria, all derived from ______. always harmful to their host - ANSWEROrganisms called parasites are ______. Thermal hot springs warmed by heat from earth's interior - ANSWERWhich of the following does not indicate microbe involvement in energy and nutrient flow? Electrons - ANSWERThe subatomic p...

Ocular lens Correct Answer-Eyepiece, adds 10x magnification 4x Correct Answer-red lens resolving power Correct Answer-The ability of a microscope to differentiate two closely spaced objects as being distinct from one another (as magnification inc, rp inc) resolving power of a light microscope Correct Answer-0.2 micrometers (μm) numerical aperture Correct Answer-The ability of a lens to gather light parfocal Correct Answer-A specimen in focus under a lower power objective lens sh...

when viewing a smear with the oil immersion lens the final magnification is - ANSWERS1000x;10x ocular x 100X objective what is the purpose of heat fixing - ANSWERSkill the bacteria, adhere to glass anddenature the proteins of bacteria name oneof the stains or regents used in the gram stain procedure - ANSWERSgram crystal violet, gram iodine, gram sfaranin, 95% ethanol why are aseptic techniques used in the lab? - ANSWERSto ensure that we do not contaminate what we are working with as as...

What is the lower limit of resolution with the light microscope? Correct Answer-.2µm Define Parfocal: Correct Answer-A slide in focus will still be in focus to nearly in focus on a different objective. The magnification of the oil immersion objective is: Correct Answer-100x The total magnification of the oil immersion is: Correct Answer-1000x, Product of the magnification of the ocular (10x) and the objective lens (100x). Resolving power: Correct Answer-Ability of a microscope to di...

California Law Exam Optometry | 2024/2025 | Questions and Verified Answers| 100% Correct| A Grade QUESTION The state board must be notified within _____ of a licensee's convicted crime Answer: 48 hours QUESTION true/false: any person unable to practice because of impairment due to mental or physical illness affecting competency, the licensing agency may order appropriate exams, revoke or suspend license, place on probation, or apply other restrictions. Answer: ...

Cytology the study of cells Robert Hooke - observed cork could float - discovered a honeycomb-like structure in a cork slice using a primitive compound microscope - only saw cell walls as this was dead tissue - coined the term "cell" for these individual compartments he saw Two types of microscopes: 1. Light Microscope 2. Electron Microscope Light Microscope - light is focused on specimen by a glass condenser lens - the image is magnified by an objective lens and an ocular lens - proj...