BIOD 171 Microbiology Lab Midterm Notebook Correctly Answered

BIOD 171 Microbiology Lab Midterm Notebook What is located in the headpiece that bends light rays toward the ocular lenses? - Answer -prism Name the only type of paper and three fluids that may be used to clean objective and ocular lenses? - Answer --lens paper -acetone -xylene -ethyl alcohol What is the most important aspect in caring for the microscope? - Answer -keeping it clean and using it properly Which way does the stage move when you rotate the coarse adjustment knob towards you? - Answer - down Make a statement concerning the distance the stage moves up or down when using the coarse adjustment compound to the fine adjustment. - Answer -Fine adjustment: sharpens image Coarse adjustment: moves the stage and provides the most focus by changing distance between lens and specimen Your microscope is equipped with a series of 3 lenses and is therefore called a _______ microscope. - Answer -compound An image is produced when light is absorbed by a dark opaque object. The background has a bright white background. Your microscope is therefore also called a ________ microscope. - Answer -bright field The lenses nearest your eyes are the eyepieces or ______ lenses. - Answer -ocular What is the magnifying power of there lenses? - Answer -10x What is the collective name for the four lenses located nearest to the object being viewed? - Answer - objective lenses What is the name and magnification of the red banded lens? - Answer -4x scanning