AAB MT

Which of the following aminoacidopathies is NOT caused by an enzyme deficiency? Choose one answer. a. phenylketonuria b. alkaptonuria c. maple syrup disease d. cystinuria d. cystinuria What method is most commonly used to measure total protein? Choose one answer. a. dye binding b. Kjeldahl c. Biuret d. refractometry c. Biuret Which of the following is the preferred reagent for measuring albumin by the dye binding method because there is less interfering substances? Cho...

What term describes the morphology of organisms that vary in shape and size? Pleomorphic i.e. coccobacilli Bacteriology arrangements: -pairs (diplococci "N. Gon"; diplobacilli -chains (streptococci, streptobacilli) -grape like clusters (staphylococci) -group of four-tetrads (peptococcus) -packets of eight-cuboidal (sarcina) -palisades (corneybacterium) Capsules are the basis of which test? serotyping and identification (capsules are antigenic); they are observed usi...

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 ...

What is hemoglobin composed of? 4 heme, 4 iron, 4 globins What disorder does a defect in heme synthesis lead to? Porphyria Porphyria Deficiency in the enzymes of the porphyrin pathway leads to insufficient production of heme. The principal problem in these deficiencies is the accumulation of porphyrins, the heme precursors, which are toxic to tissue in high concentrations. What is methemoglobin? Methemoglobin is a form of hemoglobin that contains ferric [Fe3+] iron and h...

What agency approves new test methodologies, instruments, and reagents before they are available for purchase by consumers? FDA How often should biological safety hoods be inspected? Annually What is the minimum number of standards required for a standard curve? 3 What is the maximum magnification using a brightfield microscope? 1000X What is the most accurate pipette for reconstituting control material? Glass volumetric pipettes Which unit of measure refe...