AAB MT Exam General Knowledge General Operations |32 questions with correct answers.

What are four types of centrifuges commonly used in the clinical lab? Tabletop, Micro, High-Speed, 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 pipet What are dark field microscopes used for? Identification of spirochetes What are electron microscopes used for? Identification of tissue tumor markers What are florescent microscopes used for? Classically used to detect ANA and acid fast stains. What are phase contrast microscopes used for? Used for manual platelet counts. What are polarized microscopes used for? To identify crystals. What is the bright field microscope used for? Gram stains and routine hematology slides. What are the three levels of testing as defined by CLIA? Waved, moderately complex testing, and highly complex testing. A Provider Performed Microscopy (PPM) is an example of what level of complexity testing? Moderately complex testing. What are the two main components of an FDA approved Waved Testing? So simple that anyone can perform the test and that there are no serious side affects of performing the test incorrectly. What are some common waved tests? Urine dipstick, urine pregnancy, and whole glucose testing. Define Pre-analytical patient test management. Factors that affect results of a laboratory test that occur before the process of performing the test. Define Analytical patient test management. Factors that affect results of a laboratory test that occur during the process of performing the test. Define Post analytical patient test management. Factors that affect results of a laboratory test that occur after the process of performing the test. The JOINT Commission requires how many identifiers to be used for patient testing? Two A Qualitative test most contain? A positive and a negative control. A Quantitative test most contain? Two controls of different concentration. Examples of when a Remedial action must be taken includes? Equipment performance outside of control limits and Calibration and Control failure.