Welcome to your MLT- Professional Name: Email: Phone Number: [Orders for uric acid are legitimate stat requests because:] Levels above 10 mg/dL cause urinary tract calculi Uric acid is hepatotoxic High levels induce aplastic anemia High levels cause joint pain None . [Which substance has the longest detection time?] Amphetamines Cocaine Benzodiazepines Marijuana None . [The urease test is needed to differentiate Mycobacterium scrofulaceum from which of the following mycobacteria?] M. gordonae M. kansasii M. avium–intracellulare complex M. bovis None . [Plate 13 is a fecal specimen seen under 400× using brightfield microscopy. The plate shows the ovum of which parasite?] Necator americanus Trichuris trichiura Ascaris lumbricoides Enterobius vermicularis None Comment . [The β-galactosidase test aids in the identification of which Neisseria species?] N. lactamica N. meningitidis N. gonorrhoeae N. flavescens None . [In general, which statement best characterizes the relationship between white blood cells and light scattering in flow cytometry?] Forward scatter is related to cell size and side scatter to granularity Forward scatter is related to nuclear density and side scatter to size Forward scatter is inversely related to size and side scatter is directly related to size Forward scatter is related to shape and side scatter to size None . [Arthroconidia production is used to differentiate which two yeast isolates?] Candida albicans and Candida dubliniensis Trichosporon cutaneum and Cryptococcus neoformans Candida albicans and Candida tropicalis Saccharomyces cerevisiae and Candida glabrata None . [What is the principle of the transcutaneous bilirubin assay?] Conductivity Amperometric inhibition Multiwavelength reflectance photometry Infrared spectroscopy None . [Eye infections with Acanthamoeba spp. have most commonly been traced to:] Use of soft contact lenses Use of hard contact lenses Use of contaminated lens care solutions Failure to remove lenses while swimming None . [SITUATION: An immunology supervisor ordered several antinuclear antibody and influenza A kits. The outside packaging of both kits was marked to store at 2°C–8°C. The kits were shipped with dry ice, but were unpacked at 7:00 p.m. and left in the mailroom at room temperature until 7:00 a.m. the next morning. What should be done with the kits?] They can be placed into inventory They must be tested using quality controls before use and used only if QC performance is acceptable The kits should not be used for clinical testing The disposition of the kits depends on the manufacturer’s documentation for stability and the lab’s lot-to-lot analysis None . [Bacitracin resistance (0.04 unit) is used to differentiate:t] Micrococcus spp. from Staphylococcus spp. Staphylococcus spp. from Neisseria spp. Planococcus spp. from Micrococcus spp. Staphylococcus spp. from Streptococcus spp. None . [Quantitation of a drug by gas chromatography–mass spectroscopy (GC-MS) is usually performed in which mode?] Total ion chromatography Selective ion monitoring Ion subtraction Selective reaction monitoring None . [All positive cold agglutinin tubes remain positive after 37°C incubation except the positive control. What is the most likely explanation for this situation?] High titer cold agglutinins Contamination of the test system Antibody other than cold agglutinins Faulty water bath None . [TDM peak concentration may be defined as the:] highest concentration of the drug during a dosing interval. lowest concentration of the drug during a dosing interval. concentation required for maximum drug effectiveness. none of the above. None . [What does a minor crossmatch consist of?] Recipient plasma and recipient red cells Recipient plasma and donor red cells Recipient red cells and donor plasma Donor plasma and donor red cells None . [A direct smear from a nasopharyngeal swab stained with Loeffler methylene blue stain showed various letter shapes and deep blue, metachromatic granules. The most likely identification is:] Corynebacterium spp. Nocardia spp. Listeria spp. Gardnerella spp. None . [HLA typing can be done by which molecular method?] PCR analysis using 96 well microtrays with allele or groups specific primers in each Restriction fragment length polymorphism testing Direct hybridization with WBCs on a peripheral blood film Fluorescent in situ hybridization reactions with peripheral blood lymphocytes None . [In which liver disease is the DeRitis ratio (ALT:AST) usually greater than 1.0?] Acute hepatitis Chronic hepatitis Hepatic cirrhosis Hepatic carcinoma None . [Calculate the mean cell hemoglobin concentration (MCHC) using the following values:Hgb: 15 g/dL (150 g/L) Hct: 47 mL/dL (0.47)RBC: 4.50 × 10ˆ6/μL (4.50 × 10¹²/L)] 9.5% (.095) 10.4% (.104) 31.9% (.319) 33.3% (.333) None Comment . [The initials for the title granted after successful completion of the American Society for Clinical Pathology phlebotomy examination are:] CLPlb. CLT. CPT. PBT. None . [A laboratory information system (LIS) uses an algorithm based on the delta check process to identify erroneous results. This process is a part of which LIS function?] Quality control management Real-time instrument interfacing Autoverification of test results Electronic crossmatching None . [Which ratio of anticoagulant to blood is correct for coagulation procedures?] 1:4 1:5 1:9 1:10 None . [Iron deficiency anemia may be distinguished from anemia of chronic infection by:] Serum iron level Red cell morphology Red cell indices Total iron-binding capacity None . [Which drug promotes fibrinolysis?] Warfarin Heparin Urokinase Aspirin None . [Which of the following is associated with low serum iron and high total iron-binding capacity (TIBC)?] Iron deficiency anemia Hepatitis Nephrosis Noniron deficiency anemias None . [Which of the following tests should be done first in order to differentiate Aeromonas spp. from the Enterobacteriaceae?] Urease OF glucose Oxidase Catalase None . [In real-time PCR, quantitation can be done without standards of known copy number. Relative quantitation (estimated concentration) is possible because:] Each cycle generates a twofold increase in product Each cycle threshold represents a 10-fold increase in product The fluorescence of two samples can be compared directly Concentration is proportional to fluorescence at the endpoint of the PCR reaction None . [Which of the following statements regarding enzymatic reactions is true?] The enzyme shifts the equilibrium of the reaction to the right The enzyme alters the equilibrium constant of the reaction The enzyme increases the rate of the reaction The enzyme alters the energy difference between reactants and products None . [Early equipment used for bloodletting included all of the following except the:] fleam. hemostat. lancet. leech. None . [A 20-year-old horse groomer exhibited a “glanders-like” infection. His history indicated he had suffered several open wounds on his hands 2 weeks before the swelling of his lymph nodes. A gram-negative rod was recovered from a blood culture that grew well on blood and MacConkey agars. Most of the biochemical tests were negative, including the cytochrome oxidase test. What is the most likely identification?] Burkholderia mallei Pseudomonas aeruginosa Pseudomonas stutzeri Burkholderia pseudomallei None . Time's up
