Welcome to your MLT- Professional Name: Email: Phone Number: [Sudoriferous glands are] connected to hair follicles. endocrine system structures. referred to as sweat glands. responsible for goose bumps. None . [Kligler iron agar (KIA) differs from triple-sugar iron agar (TSI) in the:] Ratio of lactose to glucose Ability to detect H2S production Use of sucrose in the medium Color reaction denoting production of acid None . [Which is the test of choice for the confirmation of Chlamydia trachomatis infection in urine?] Enzyme immunoassay antigen testing PCR molecular testing Culture using McCoy and Hela cells Microimmunofluorescence (MIF) test None . [A 77-year-old female is admitted to a community hospital after a cardiac arrest. History includes an abdominal aortic aneurysm 2 years ago in which she received 6 units of packed cells. Her blood type is A positive and antibody screen is positive at AHG phase in screening cells II and III. A panel is performed using LISS. Referring to panel 3, which antibodies are likely implicated?(panel 3)] C and K Jk^a and c E and c Fy^a and M None Comment . [A correction is necessary for WBC counts when nucleated RBCs are seen on the peripheral smear because:] The WBC count would be falsely lower The RBC count is too low Nucleated RBCs are counted as leukocytes Nucleated RBCs are confused with giant platelets None . [Select the elimination model that best describes most oral drugs.] One compartment, linear first-order elimination Michaelis–Menton or concentration-dependent elimination Two compartment with a biphasic elimination curve Logarithmic elimination None . [Visceral larva migrans is associated with which of the following organisms?] Toxocara—serology Onchocerca—skin snips Dracunculus—skin biopsy Angiostrongylus—CSF examination None . [Which test is most likely to be positive in the tertiary stage of syphilis?] FTA-ABS RPR VDRL Reagin screen test (RST) None . [Which of the following anticoagulant drugs can be used in patients with HIT?] Warfarin Heparin Aspirin Lepirudin None . [What is the “M” component in monoclonal gammopathies?] IgM produced in excess μ Heavy chain produced in excess Malignant proliferation of B cells Monoclonal antibody or cell line None . [Which statement about CSF protein is true?] An abnormal serum protein electrophoretic pattern does not affect the CSF pattern The upper reference limit for CSF total protein in newborns is one-half adult levels CSF IgG is increased in panencephalitis, malignancy, and neurosyphilis Antibodies to Treponema pallidum disappear after successful antibiotic therapy None . [Methods other than packaged microsystems used to identify anaerobes include:] Antimicrobial susceptibility testing Gas–liquid chromatography (GLC) Special staining Enzyme immunoassay None . [Which of the following results is most likely discrepant? Anti-A, neg Anti-B, 4+ A1 cells, neg B cells, neg] Negative B cells Positive reaction with anti-B Negative A1 cells No problem with this typing None . [Urine production of less than 400 mL/day is:] Consistent with normal renal function and H2O balance Termed isosthenuria Defined as oliguria Associated with diabetes mellitus None . [FFP can be transfused without regard for:] ABO type Rh type Antibody in product All of these options None . [Thrombotic thrombocytopenic purpura (TTP) is characterized by:] Prolonged PT Increased platelet aggregation Thrombocytosis Prolonged APTT None . [Which of the following prevents platelet aggregation?] Thromboxane A2 Thromboxane B2 Prostacyclin Antithrombin None . [A heart disorder characterized by fluid buildup in the lungs is called:] aortic stenosis. bacterial endocarditis. congestive heart failure. myocardial infarction. None . [The abbreviation for the routine hematology test that includes hemoglobin, hematocrit, red blood count, and white blood count determinations is:] CBC. CDC. CPK. CRP. None . [According to American Diabetes Association criteria, which result is consistent with a diagnosis of impaired fasting glucose?] 99 mg/dL 117 mg/dL 126 mg/dL 135 mg/dL None . [Cycloserine–cefoxitin-fructose agar (CCFA) is used for the recovery of:] Yersinia enterocolitica Yersinia intermedia Clostridium perfringens Clostridium difficile None . [An isolate of E. coli recovered from the stool of a patient with severe bloody diarrhea should be tested for which sugar before sending it to a reference laboratory for serotyping?] Sorbitol (fermentation) Mannitol (oxidation) Raffinose (fermentation) Sucrose (fermentation) None . [Which test typically requires a refrigerated stool specimen?] Fecal fat Guaiac Occult blood Ova and parasites None . [A 20-year-old female patient entered the emergency clinic complaining of abdominal pain, fever, and a burning sensation during urination. An above-normal WBC count along with pus cells and bacteria in the urine specimen prompted the emergency physician to order a urine culture. The colony count reported for this patient revealed >100,000 col/mL of a nonhemolytic, catalasenegative, gram-positive organism on 5% sheep blood agar. The following test results indicate which organism? PYR = + Bile Esculin = + 6.5% Salt broth = + growth Bacitracin = Neg Optochin = Neg] Enterococcus faecalis Streptococcus pyogenes Streptococcus agalactiae Streptococcus bovis None . [Blood sample collection time for peak drug levels:] Varies with the drug, depending on its rate of absorption Is independent of drug formulation Is independent of the route of administration Is 30 minutes after a bolus intravenous injection is completed None . [S. pneumoniae and the viridans streptococci can be differentiated by which test?] Optochin disk test, 5 μg/mL or less Bacitracin disk test, 0.04 unit CAMP test Bile esculin test None . [Select the method of choice for recovery of anaerobic bacteria from a deep abscess.] Cotton fiber swab of the abscess area Skin snip of the surface tissue Needle aspirate after surface decontamination Swab of the scalpel used for debridement None . [The term reverse phase is used in HPLC to indicate that the mobile phase is:] More polar than the stationary phase Liquid and the stationary phase is solid Organic and the stationary phase is aqueous A stronger solvent than the stationary phase None . [Which of the following mechanisms is responsible for metabolic acidosis?] Bicarbonate deficiency Excessive retention of dissolved CO2 Accumulation of volatile acids Hyperaldosteronism None . [Which statement about iron methods is true?] Interference from Hgb can be corrected by a serum blank Colorimetric methods measure binding of Fe2+ to a ligand such as ferrozine Atomic absorption is the method of choice for measurement of serum iron Serum iron can be measured by potentiometry None . Time's up
