Mls 220 Exam 1 Questions With Correct Solutions Rated 2023

Parfocal magnification is: a. microscope objectives that are aligned so that a specimen centered in the field of view for one objective remains centered when the nosepiece is rotated to bring another objective into use b. when a specimen focused in the field of view for one microscope objective remains focused when the nosepiece is rotated to bring another microscope objective into use c. the distance from an object being examined microscopically to the center of the objective lens of the microscope d. distance between the bottom of the objective and the specimen being examined {Ans: b. when a specimen focused in the field of view for one microscope objective remains focused when the nosepiece is rotated to bring another microscope objective into use}The length of time needed for a disinfectant to stay wet on a surface in order to ensure its efficacy based on its concentration is known as the disinfectants': a. Disinfectant Period b. Lethal Period c. Frequency d. Contact Time {Ans: d. Contact Time}Which type of microscopy consists of attaching a polarizer, an analyzer, and a compensator to a bright field microscope and is useful in identifying monosodium urate (gout) crystals? a. Phase Contrast Microscopy