問題一覧
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1. An organism gave the following reactions: The organism most likely is:
Escherichia coli
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2. W/c of the ff cytokines is most responsible for eosinophil deifferentiation & release from the BM?
IL-5
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3. T cells are incapable of:
secretion of immunoglobulins
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4. W/c one of the ff routine tests for E. histolytica has the highest sensitivity & specificity?
stool EIA
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5. W/c of the ff studies is performed by aspirating seminal fluid w/ a Pasteur pipette & observing the formation of droplets as it is allowed to fall under only the influence of gravity?
viscosity
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6.A 45yo male of average height & weight was admitted to hospital for renal function studies. He had the following lab results: Calculate the creatinine clearance for this patient in mL/min
100
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7. Which of the ff immunoglobulins is present in the highest concentration in normal human serum?
IgG
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8. Identify the organism.
Alternaria
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9.A mother is Rh(-) & the father is Rh(+). Their baby is Rh(-). It may be concluded that:
the father is heterozygous for D
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10. Excess urine on the rgt test strip can turn a normal pH result into a falsely acidic pH when w/c of the ff rgts runs into the pH pad?
citrate buffer
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11. Elevation of the lymphocyte percentage above 45% is termed:
relative lymphocytosis
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12. The term "shift to the left" refers to:
immature cell forms in the peripheral blood
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13. Based on the results below, what is the next step in determination of the patient's ABO/Rh type?
repeat ABO red cell ab in the donor unit
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14. W/c of the ff is responsible for the prodn of blood group ab?
B cells
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15. Infection by this org can cause of B12 deficiency:
Diphyllobothrium latum
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16. The preparation of a px for standard glucose tolerance testing should include:
high carbo diet for 3 days
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17. The M:E ratio in CML is usually:
high
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18. The persistence of which marker is the best evidence of chronic HBV infection?
HBsAg
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19. The Gram stain of drainage from a pulmonary sinus tract shows many WBCs & 3+ branching Gram(+) bacilli.Colonies grow only on anaerobic media 3days incubation.They are yellow-tan & have a molar tooth appearance. The most likely genus is:
Actinomyces
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20. An antibiotic used to suppress or kill contaminating fungi in media is:
cycloheximide
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21. Apheresis Platelets must be stored at:
20-24°C
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22. The sediment of a urine spx w/ a rgt strip glucose of 250mg/dL(13.8mmol/L) &X a pH of 5.5 is ideal for the presence of:
Candida albicans
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23. W/c of the ff blood group ab will no longer react with it's respective ag once those ag are treated w/ proteolytic enzymes?
anti-Fya
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24. An example of a live attenuated vaccine used for human immunization is:
measles
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25. Choose the condition that is best related to the image below.
Mycoplasma pneumoniae Infection
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26.Individuals who lack Duffy ag on surface of their RBC r protected against w/c species of Plasmodium?
P vivax
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27.A common cause of acute exudative pharyngitis
S.pyogenes
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28.A px is taking 10mg per day Coumadin(warfarin). results of w/c of the ff lab tests will be most impacted?
protein C
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29. According to AABB Standards, what is the minimum hemoglobin level for an autologous donor?
11.0 g/dL
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30. This fungus is encapsulated & produces by budding. It is asso w/ the Eucalyptus tree & is usually acquired from the environment. The org uses glycine as a sole carbon & nitrogen source in the presence of canavanine( canavanine glycine bromothymol blue agar).The organism is:
Cryptococcus gattii
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31. The lab considering adoption of rapid & sensitive "stand alone" mtd that detects C.difficile toxins A&B. W/c of the ff testing methodologies will provide this?
NAAT
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32. If amniotic fluid is to be collected for fetal lung maturity testing, amniocentesis should be performed at:
30-42 week' gestation
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33. The most potent plasminogen activator in the contact phase of coagulation is:
kallikrein
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34 which of the following represents an identified patient for sample collection and transfusion?
A handwritten band w/ px name & hospital ID no. Is affixed to the px leg
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35. One of the following correctly represents the order of appearance of Hepatitis A markers.
Stool HAV ag-->IgM anti-HAV-->IgG anti-HAV
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36. The ff results were obtained in pretransfusion test The most probable cause of these results is:
a warm autoantibody
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37. The transport temp for RBC Leukocytes Reduced
1-10°C
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38. Results from a milky peritoneal fluid demonstrate an elevated triglycerides content & the presence of chylomicrons.These results indicate the fluid is likely:
chylous
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39.W/c of this statement best describes Zygomycetes?
Aseptate hyphae with sporangiospores
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40. Which red cell morphology may be expected in a treated polycythemia vera patient?
microcytic cells
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41. Identify the cells in the image below.
A=Metamyelocyte B=Myelocyte
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42. Which of the following is a potential complication of massive transfusions?
hypothermia due to 1-6°C storage temp of red cells
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43. In ABO hemolytic transfusion rxn, complement is activated via w/c of the ff pathways?
classical
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44. Which of the ff RBC inclusions are seen in sideroblastic anemia and contain high amounts of iron?
Pappenheimer bodies
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45. A critically ill patient become comatose. The physician believes the coma is due to hepatic failure. The assay most helpful in this diagnosis is:
ammonia
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46. Which of these serological results is least likely to a person with chronic hepatitis B infection?
Anti-HBs(+)
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47. What assay would confirm the immune status to hepatitis B viruss
anti-Hbs
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48. What stain is most often used as a screening stain when mycobacteria is suspected in a respiratory spx?
auramine O
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49. Small protozoan cysts are found in a wet mount of sediment from ethyl-acetate concentrated material. Each cyst has 4 nuclei that do not have peripheral chromatin, and each nucleus has a large karyosome, which appears as a refractive dot. These oval cysts are most likely:
E.nana
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50.ovum in image below belongs to what nematode?
Hymenolepis nana
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51.RDW is elevated on CBC report.The smear show:
anisocytosis
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52. A confirmatory test for PNH:
flow cytometric immunophenotyping
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53.Antinuclear ab tests r performed to help diagnose:
lupus erythematosus
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54.The DAT in a px w/ WAIHA is most often (+) for:
IgG & C3
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C 55.Given the ff serologic rxn,what is the A subgroup?
A3
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56. A trauma patient who has just received 10 units of blood may develop:
thrombocytopenia
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57. A 3 year old unimmunized female presented in the ER with a severe cough, fever, and flulike symptoms. The parents reported that the child had vomited a few times due to the severe coughing. A nasopharyngeal swab was used to collect the specimen and planted on a chocolate. Bordet-Gengou, and Regan Lowe media. After 5 days of incubation, colonies grew on all of the media with the growth on Bordet-Gengou described as "drops of mercury." The Gram stain showed minute coccobacilli that were catalase and oxidase positive. The most likely identification of this isolate is:
B.pertussis
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58. When processing a patient specimen for Gram stain and culture, the proper use of a biological safety cabinet includes:
not disrupting the air curtain barrier by keeping air flow and exhaust grills unobstructed.
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59. A patient has the following results: The next test that should be performed is:
DRVVT
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60. Susceptibility testing is performed on a S.aureus isolate from a blood culture with the ff results: What should the technologist do next?
the cefazolin result should be changed to resistant since the oxacillin result is resistant
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61. Calculate the blood pH given a pCO2 of 60 mm Hg & a bicarbonate of 18mmol/L:
7.10
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62. Triglycerides (chyle) can be identified in body fluids by their ability to:
stain with Sudan III
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63. Exotic pets are often associated with the transmission of which of the following organisms?
Salmonella
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64. Choose the best pair of ab & autoimmune dse based on the image below.
Anti-dsDNA:SLE
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65. The yellow color of urine is primarily due to:
urochrome pigment
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66. A lipemic serum is separated & froze at -20°C for assay at a later date. 1wk later, prior to performing an assay for triglycerides, the spx should be:
warmed to 37°C & mixed thoroughly
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67. Which of the following elevates carboxyhemoglobin?
exposure to carbon monoxide
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69. The rosette test will detect a fetomaternal hemorrhage (FMH) as small as:
10mL
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70. A characteristic morphologic feature in folic acid deficiency is:
macrocytosis
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71. In px who present with bleeding disorder caused by platelets, the most common type of bleeding is:
mucosal bleeding
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72. Detection of which of the following substance is most useful to monitor the course of a patient with testicular cancer?
a-fetoprotein
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73. When performing a disk diffusion susceptibility test, the antibiotic disks are placed on the agar 30mins after org inoculation & then incubated w/in 15min of the disk placement. This procedure will result in:
dec zone diameters
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74. The protein section of the urine reagent test strip is most sensitive to:
albumin
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75. Flocculation test for syphilis use ag composed of:
cardiolipin & lecithin
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76.Synovial fluid from a 68yo male reveals rhombic crystals w/ weak(+) birefringence when viewed using polarizing microscopy.This crystals can be identified as:
calcium pyrophosphate dihydrate
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77.A CSF spx containing 2 drops of CSF was collected by a lumbar puncture from a febrile 25yo male and was submitted for a stat Gram stain & culture. The direct specimen Gram stain was reported as many neutrophils and no microorganisms seen.The remaining drop of CSF should be inoculated to :
chocolate agar
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78. The initial immune response ff fetal infxn w/ rubella is the production of which class(es) of ab?
IgM
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79. A patient's red blood cells gave the ff reactions: The most probable genotype of this patient is:
R1R2
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80. Which of the ff results is most likely inconsistent?
Urine Urobilinogen
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81.The most rapid immediate hypersensitivity rxn is
anaphylaxis
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82.A K lvl of 6.8mEq/L(6.8mmol/L)is obtained.B4 reporting the result,1st step the technologist should take
check the serum for hemolysis
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83. Which of the ff tests is most commonly used to detect antibodies attached to a patient's RBC in vivo?
direct antiglobulin
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B 84.If seal is entered on unit of RBC store 1-6°C,what’s the maximum allowable storage period,in hr?
24
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85. The expected blood gas result for a patient in chronic renal failure would match the pattern of:
metabolic acidosis
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86.W/c immunoglobulin class can cross the placenta?
IgG
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87. The presence of excessive rouleaux formation on a blood smear is often accompanied by an increased:
sedimentation rate
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89.W/c of ff ions is bound to hgb in methemoglobin?
Fe3+
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90. A flag of immature granulocytes (IG) is reported from a hematology analyzer.The next step is to perform:
manual differential
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91.Cryoprecipitated AHF transfusion is recommended as a treatment for px w/:
DIC with hypofibrinogenemia
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92.Although ABO compatibility is preferred,ABO incompatible product may be administered when transfusing:
Cryoprecipitated AHF
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93.A rgt test strip pad for blood has been reported(+). Microscopic examination fails to yield RBC.The px condition can be called:
hemoglobinuria .
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94. The most sensitive test for the initial diagnosis of cryptococcal disease is
cryptococcal ag
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95. W/c of the ff stains is used to demonstrate iron, ferritin and hemosiderin?
Prussian blue
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96.When a natural killer cell comes in contact w/ cell expressing MHC classI proteins what action will result?
inhibition of killing
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97. A patient has symptoms indicating a possible hemolytic transfusion reaction. What should be done immediately?
stop the transfusion & call the px dr to report the rxn
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C 98. A px is admitted w/a history of chronic bleeding 2ndary to peptic ulcer. Hematology workup reveals a severe micro,hypo anemia. Iron studies were requested. W/c of the ff would be expected in this case?
result c
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99. The conversion of glucose or other hexoses into lactate or pyruvate is called:
glycolysis
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100. Blood collected in EDTA undergoes which of the ff changes if kept at room temperature for 6-24 hours?
↑ hct & mcv