Welcome to your MLT- Professional Name: Email: Phone Number: [Which of the following statements regarding the dry reagent strip test for bilirubin is true?] A positive test is seen in prehepatic, hepatic, and posthepatic jaundice The test detects only conjugated bilirubin Standing urine may become falsely positive due to bacterial contamination High levels of ascorbate will cause positive interference None . [What does the suffix -algia mean?] Between Condition Disease Pain None . [Which of the following processes is part of the normal metabolism of bilirubin?] Both conjugated and unconjugated bilirubin are excreted into the bile Methene bridges of bilirubin are reduced by intestinal bacteria forming urobilinogens Most of the bilirubin delivered into the intestine is reabsorbed Bilirubin and urobilinogen reabsorbed from the intestine are mainly excreted by the kidneys None . [Which of the following conditions is associated with the greatest proteinuria?] Acute glomerulonephritis Chronic glomerulonephritis Nephrotic syndrome Acute pyelonephritis None . [Which laboratory test is affected by heparin therapy?] Thrombin time Fibrinogen assay Protein C assay Protein S assay None . [A gram-positive spore-forming bacillus growing on sheep-blood agar anaerobically produces a double zone of β-hemolysis and is positive for lecithinase. What is the presumptive identification?] Bacteroides ureolyticus Bacteroides fragilis Clostridium perfringens Clostridium difficile 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 . [Which virus is associated with venereal and respiratory tract warts and produces lesions of skin and mucous membranes?] Polyomavirus Poxvirus Adenovirus Papillomavirus None . [A prefix:] comes before a word root and modifies its meaning. establishes the basic meaning of a medical term. follows a word root and adds to or changes its meaning. makes pronunciation of the term easier. None . [Which of the following Mycobacterium species is diagnosed by means other than culture?] M. leprae M. bovis M. canetti M. avium None . [Which organism is sometimes mistaken for Salmonella and will agglutinate in Salmonella polyvalent antiserum?] C. freundii strains Proteus mirabilis strains S. sonnei strains E. coli None . [MTM medium is used primarily for the selective recovery of which organism from genital specimens?] Neisseria gonorrhoeae Neisseria lactamica Neisseria sicca Neisseria flavescens None . [Which of the following conditions is most likely to cause a falsely low L/S ratio?] The presence of PG in amniotic fluid Freezing the specimen for one month at –20°C Centrifugation at 1,000 × g for 10 minutes Maternal diabetes mellitus None . [Using an electronic cell counter analyzer, an increased RDW should correlate with:] Spherocytosis Anisocytosis Leukocytosis Presence of NRBCs None . [What gene must be amplified in PCR to differentiate methicillin-resistant Staphylococcus aureus from methicillinresistant coagulase-negative Staphylococcus?] orfX mecA VanA iles-2 None . [Which type of patient is most likely to have an arteriovenous fistula or graft?] Arthritic Dialysis Hospice Wheelchair-bound None . [Capillary puncture supplies include all of the following except:] Gauze pad Lancet Microcollection device Povidone–iodine pad None . [Nondiabetic ketonuria can occur in all of the following except:] Pregnancy Renal failure Starvation Lactate acidosis 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 . [In the Oliver–Rosalki method for CK, adenosine monophosphate (AMP) is added to the substrate in order to:] Inhibit adenylate kinase Block the oxidation of glutathione Increase the amount of ADP that is available Block the action of diadenosine pentaphosphate None . [Which of the following positive antibody tests may be an indication of recent vaccination or early primary infection for rubella in a patient with no clinical symptoms?] Only IgG antibodies positive Only IgM antibodies positive Both IgG and IgM antibodies positive Fourfold rise in titer for IgG antibodies None . [A patient’s serum contains a mixture of antibodies. One of the antibodies is identified as anti-D. Anti-Jka or anti-Fya and possibly another antibody are present. What technique(s) may be helpful to identify the other antibody(s)?] Enzyme panel; select cell panel Thio reagents Lowering the pH and increasing the incubation time Using albumin as an enhancement media in combination with selective adsorption None . [A unit of packed RBCs is split using the open system. One of the half units is used. What may be done with the second half unit?] Must be issued within 24 hours Must be issued within 48 hours Must be irradiated Must retain the original expiration date None . [What is the first step to be performed in the identification of an unknown yeast isolate?] Gram stain smear India ink stain Catalase test Germ tube test None . [Which of the following is characteristic of type 2 diabetes mellitus?] Insulin levels are consistently low Most cases require a 3-hour oral glucose tolerance test to diagnose Hyperglycemia is often controlled without insulin replacement The condition is associated with unexplained weight loss None . [What role do CTx and NTx play in the management of osteoporosis?] Increased urinary excretion is diagnostic of early stage disease Increased levels indicate a low risk of developing osteoporosis Decreased urinary excretion indicates a positive response to treatment The rate of urinary excretion correlates with the stage of the disease None . [After arriving in the laboratory, all specimens are immediately:] centrifuged to stop glycolysis. logged in or accessioned. refrigerated until processed. uploaded to testing instruments. None . [An institution that provides inpatient services is a:] clinic. day surgery. doctor’s office. hospital. None . [Toxic shock syndrome is attributed to infection with:] Staphylococcus epidermidis Staphylococcus hominis Staphylococcus aureus Staphylococcus saprophyticus None . [Staphylococcus aureus recovered from a wound culture gave the following antibiotic sensitivity pattern by the standardized Kirby–Bauer method (S = sensitive; R = resistant): Penicillin = R Ampicillin = S Cephalothin = R Cefoxitin = R Vancomycin = S Methicillin = R Which is the drug of choice for treating this infection?] Penicillin Ampicillin Cephalothin Vancomycin None . Time's up
