AAB MT Exam General Knowledge General Operations Questions With Complete Solutions

What are four types of centrifuges commonly used in the clinical lab? - Answer-Tabletop, Micro, HighSpeed, and Ultra. What does the daily maintenance of a centrifuge commonly consist of? - Answer-Cleaned with 10% bleach What does the periodic maintenance of a centrifuge commonly consist of? - Answer-Speed check by tachometer What is the function of a centrifuge in the clinical lab? - Answer-To separate substances based on density by centrifugal forces. What is the RCF formula? - Answer-1.118 -5 X 10 X r X rpm2 What is the maintenance for semi-automated pipets? - Answer-They must be calibrated and verified by gravimetric method. What does a pipet with two etched rings at the top mean? - Answer-The liquid must be blown out. To deliver uses what force to ensure that the correct volume is pipetted? - Answer-Gravity What type of pipet has a bulb with a tapered tip? - Answer-Volumetric What does a graduated line mean on a pipet? - Answer-The measuring line. What is the most common pipet in the clinical lab? - Answer-To deliver pipetWhat are dark field microscopes used for? - Answer-Identification of spirochetes What are electron microscopes used for? - Answer-Identification of tissue tumor markers What are florescent microscopes used for? - Answer-Classically used to detect ANA and acid fast stains. What are phase contrast microscopes used for? - Answer-Used for manual platelet counts. What are polarized microscopes used for? - Answer-To identify crystals.