Exam Recalls BOC Questions with Complete Solutions Graded A+

  patient showing symptoms of toxicity to primodone, but measured value was in control - Answer: phenoarbital Western blot of HIV 1 showing neg, weak and strong cont. patient shows 160, 120 and 66- how should these be interpreted? - Answer: reactive (not sure) use of potassium permaganate in mycobacterium - Answer: counterstain antibody that deteriorate with storage - Answer: P system antibody to NOT show dosage - Answer: LeA Result: DAT poly= 0 but DAT C3=3+ - Answer: report DAT positive results of an antibody ID: all 11 tubes in AHG= neg. With check cells, 4 tubes not agglutination - Answer: wash machine didn't dispense the right amount of saline. blood donation stops at 390 - Answer: Use packed red cells. difference between p aeriginosa and p putida - Answer: growth at 42 PT was normal but PTT was abnormal. Repeat- same results obtained. what to do next? - Answer: Change CaCl Histoplasma capsulatum - Answer: tuberculate macroconidia amniotic fluid cant be tested for bilirubin on regular chem analyzer as serum bilirubin because... - Answer: they are demanding.... they are biochemically different 2 types of Bacteria found in agar, one was gram + and the other one was penicillin and kanamycin resistant anaerobe gram neg bacillu - Answer: bacteriodes fragilis burr cells - Answer: uremia BARTONELLA - Answer: cat scratch curved gram neg cushing syndrome - Answer: increased cortisol, increased acth increase in hemolytic disease - Answer: urobilinogen and unconjugated bilirubin cause of low NA - Answer: hypoproteunemia, diabetes insipidus. two day old infant glucose strip POS. clinitest negative. - Answer: glucose positive or galactosuria. metabolite of phenoarbital - Answer: procainamide stomatocytes associated with - Answer: liver disease urine refrigerated becomes turbid because of - Answer: amorphous phosphates (not sure) monocytosis seen in - Answer: TB rotavirus specimen - Answer: stool blastoconidia - Answer: budding between mother and daughter. legionella test - Answer: testing in urine AG what is in the saliva of Le(a+b-) - Answer: Le a what does CO2 electrode measure - Answer: pH what does the hair test confirm - Answer: T rubrum/ T menta Spikey cells: acanthocytes means - Answer: slides not dry yet. blood comes up positive for HTLV-I/II what do you do next? - Answer: western bloot O neg, Rh pos patient now has a positive DAT. What will their typing results look like now? Includes Rh control - Answer: I chose the answer where everything was negative except the Rh control was positive. ANA - it had things with like 4 colors green yelloow orange and red all over it but one is totally orange - Answer: so I guessed. Anti mitochondrial antibodies. Cushing syndrome causes - Answer: hyperglycemia increase in juandice with pancreatic mass - Answer: AFP Normocytic, normochromic, normal WBC, normal platelet, but retics is 0.1% - Answer: pure red cell aplasia Blood smear picture that looks like Howell bodies, the retic is 18%, the technologist should stain with? - Answer: Stain Heinz- body staining rouleux is undetectable at what phase - Answer: AHG TSI= A/A, oxidase + and gas + - Answer: Aeromonas CSF for culture- MLS only performs gram stain in his shift. what should the technologist do? - Answer: incubate at 35C urinalysis result for a child had tubular renal cells 25-30 and granular casts. - Answer: tubular necrosis false decrease in ESR - Answer: sample more then 8 hours to be tested. Plate with RBC (hyperchromic, anisocitosis), inclusions (1-2/ RBC) in Wright. Patient has 18.5% of retics. What should the technologist do? - Answer: use prussian blue what effects HgA1bc - Answer: lifespan of RBC what condition would you find low erythropoietin - Answer: polycythemia vera Sample taken from indwelling catheter. Patient isn't on any anticoagulants yet PTT and TT are way elevated: - Answer: Heparin contamination (from catheter) Lupus anticoagulant causes - Answer: Thrombocytosis Table. Choose positive controls to test for anti-c and negative control to test anti-Fy(a): - Answer: C+c+ for the positive control and Fy(a) for the negative control A panel that anti-Fy(a) was present but can't rule out anti-E, - Answer: so the answer to the panel was: anti-Fy(a), anti-E Baby A+, DAT-, Mother O- before birth: - Answer: Do Rosette test Which donor should you differ? - Answer: donor received Hep B immunoglobulin 8 weeks ago Patient with Hct 62%, the sodium citrate tube was centrifuged and noticed that de blood plasma ratio was low. What should the MLS do? - Answer: take sample with more anticoagulant. Instrument linearity something about comparing means: - Answer: Paired T test Calibration of blood gases analyzer - Answer: 2 buffers with known pH and constant temperature Absorbance formula: - Answer: 2-log%T Patient with elevated Ca and normal PTH: - Answer: metastisized cancer what increases in cushing - Answer: ACTH and Cortisol Patient had dyspnea caused by anesthesia, what should be measured? - Answer: pseudocholinesterase Sezary syndrome - Answer: T cell lymphoma Affected in coumadin - Answer: 10,9,7,2 5HIAA - Answer: carcinoid tumor man with elevated bhcg and AFP but normal PSA and CEA - Answer: Testis LDL computation - Answer: Total Cholesterol = HDL + LDL + (Triglycerides x .20) anion gap computation - Answer: = ([Na+] + [K+]) − ([Cl−] + [HCO− 3]) = 20 mEq/L Results of decreasing bilirubins due to - Answer: phototherapy