AAB MT Exam General Knowledge General Operations Questions And Answers Already Passed!!

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