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ASCPi STIMULATED EXAM 2
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  • 問題数 98 • 10/23/2024

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    問題一覧

  • 1

    1. An organism gave the following reactions: The organism most likely is:

    Escherichia coli

  • 2

    2. W/c of the ff cytokines is most responsible for eosinophil deifferentiation & release from the BM?

    IL-5

  • 3

    3. T cells are incapable of:

    secretion of immunoglobulins

  • 4

    4. W/c one of the ff routine tests for E. histolytica has the highest sensitivity & specificity?

    stool EIA

  • 5

    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

  • 6

    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

  • 7

    7. Which of the ff immunoglobulins is present in the highest concentration in normal human serum?

    IgG

  • 8

    8. Identify the organism.

    Alternaria

  • 9

    9.A mother is Rh(-) & the father is Rh(+). Their baby is Rh(-). It may be concluded that:

    the father is heterozygous for D

  • 10

    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

  • 11

    11. Elevation of the lymphocyte percentage above 45% is termed:

    relative lymphocytosis

  • 12

    12. The term "shift to the left" refers to:

    immature cell forms in the peripheral blood

  • 13

    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

  • 14

    14. W/c of the ff is responsible for the prodn of blood group ab?

    B cells

  • 15

    15. Infection by this org can cause of B12 deficiency:

    Diphyllobothrium latum

  • 16

    16. The preparation of a px for standard glucose tolerance testing should include:

    high carbo diet for 3 days

  • 17

    17. The M:E ratio in CML is usually:

    high

  • 18

    18. The persistence of which marker is the best evidence of chronic HBV infection?

    HBsAg

  • 19

    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

  • 20

    20. An antibiotic used to suppress or kill contaminating fungi in media is:

    cycloheximide

  • 21

    21. Apheresis Platelets must be stored at:

    20-24°C

  • 22

    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

  • 23

    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

  • 24

    24. An example of a live attenuated vaccine used for human immunization is:

    measles

  • 25

    25. Choose the condition that is best related to the image below.

    Mycoplasma pneumoniae Infection

  • 26

    26.Individuals who lack Duffy ag on surface of their RBC r protected against w/c species of Plasmodium?

    P vivax

  • 27

    27.A common cause of acute exudative pharyngitis

    S.pyogenes

  • 28

    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

  • 29

    29. According to AABB Standards, what is the minimum hemoglobin level for an autologous donor?

    11.0 g/dL

  • 30

    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

  • 31

    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

  • 32

    32. If amniotic fluid is to be collected for fetal lung maturity testing, amniocentesis should be performed at:

    30-42 week' gestation

  • 33

    33. The most potent plasminogen activator in the contact phase of coagulation is:

    kallikrein

  • 34

    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

  • 35

    35. One of the following correctly represents the order of appearance of Hepatitis A markers.

    Stool HAV ag-->IgM anti-HAV-->IgG anti-HAV

  • 36

    36. The ff results were obtained in pretransfusion test The most probable cause of these results is:

    a warm autoantibody

  • 37

    37. The transport temp for RBC Leukocytes Reduced

    1-10°C

  • 38

    38. Results from a milky peritoneal fluid demonstrate an elevated triglycerides content & the presence of chylomicrons.These results indicate the fluid is likely:

    chylous

  • 39

    39.W/c of this statement best describes Zygomycetes?

    Aseptate hyphae with sporangiospores

  • 40

    40. Which red cell morphology may be expected in a treated polycythemia vera patient?

    microcytic cells

  • 41

    41. Identify the cells in the image below.

    A=Metamyelocyte B=Myelocyte

  • 42

    42. Which of the following is a potential complication of massive transfusions?

    hypothermia due to 1-6°C storage temp of red cells

  • 43

    43. In ABO hemolytic transfusion rxn, complement is activated via w/c of the ff pathways?

    classical

  • 44

    44. Which of the ff RBC inclusions are seen in sideroblastic anemia and contain high amounts of iron?

    Pappenheimer bodies

  • 45

    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

  • 46

    46. Which of these serological results is least likely to a person with chronic hepatitis B infection?

    Anti-HBs(+)

  • 47

    47. What assay would confirm the immune status to hepatitis B viruss

    anti-Hbs

  • 48

    48. What stain is most often used as a screening stain when mycobacteria is suspected in a respiratory spx?

    auramine O

  • 49

    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

  • 50

    50.ovum in image below belongs to what nematode?

    Hymenolepis nana

  • 51

    51.RDW is elevated on CBC report.The smear show:

    anisocytosis

  • 52

    52. A confirmatory test for PNH:

    flow cytometric immunophenotyping

  • 53

    53.Antinuclear ab tests r performed to help diagnose:

    lupus erythematosus

  • 54

    54.The DAT in a px w/ WAIHA is most often (+) for:

    IgG & C3

  • 55

    C 55.Given the ff serologic rxn,what is the A subgroup?

    A3

  • 56

    56. A trauma patient who has just received 10 units of blood may develop:

    thrombocytopenia

  • 57

    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

  • 58

    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.

  • 59

    59. A patient has the following results: The next test that should be performed is:

    DRVVT

  • 60

    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

  • 61

    61. Calculate the blood pH given a pCO2 of 60 mm Hg & a bicarbonate of 18mmol/L:

    7.10

  • 62

    62. Triglycerides (chyle) can be identified in body fluids by their ability to:

    stain with Sudan III

  • 63

    63. Exotic pets are often associated with the transmission of which of the following organisms?

    Salmonella

  • 64

    64. Choose the best pair of ab & autoimmune dse based on the image below.

    Anti-dsDNA:SLE

  • 65

    65. The yellow color of urine is primarily due to:

    urochrome pigment

  • 66

    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

  • 67

    67. Which of the following elevates carboxyhemoglobin?

    exposure to carbon monoxide

  • 68

    69. The rosette test will detect a fetomaternal hemorrhage (FMH) as small as:

    10mL

  • 69

    70. A characteristic morphologic feature in folic acid deficiency is:

    macrocytosis

  • 70

    71. In px who present with bleeding disorder caused by platelets, the most common type of bleeding is:

    mucosal bleeding

  • 71

    72. Detection of which of the following substance is most useful to monitor the course of a patient with testicular cancer?

    a-fetoprotein

  • 72

    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

  • 73

    74. The protein section of the urine reagent test strip is most sensitive to:

    albumin

  • 74

    75. Flocculation test for syphilis use ag composed of:

    cardiolipin & lecithin

  • 75

    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

  • 76

    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

  • 77

    78. The initial immune response ff fetal infxn w/ rubella is the production of which class(es) of ab?

    IgM

  • 78

    79. A patient's red blood cells gave the ff reactions: The most probable genotype of this patient is:

    R1R2

  • 79

    80. Which of the ff results is most likely inconsistent?

    Urine Urobilinogen

  • 80

    81.The most rapid immediate hypersensitivity rxn is

    anaphylaxis

  • 81

    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

  • 82

    83. Which of the ff tests is most commonly used to detect antibodies attached to a patient's RBC in vivo?

    direct antiglobulin

  • 83

    B 84.If seal is entered on unit of RBC store 1-6°C,what’s the maximum allowable storage period,in hr?

    24

  • 84

    85. The expected blood gas result for a patient in chronic renal failure would match the pattern of:

    metabolic acidosis

  • 85

    86.W/c immunoglobulin class can cross the placenta?

    IgG

  • 86

    87. The presence of excessive rouleaux formation on a blood smear is often accompanied by an increased:

    sedimentation rate

  • 87

    89.W/c of ff ions is bound to hgb in methemoglobin?

    Fe3+

  • 88

    90. A flag of immature granulocytes (IG) is reported from a hematology analyzer.The next step is to perform:

    manual differential

  • 89

    91.Cryoprecipitated AHF transfusion is recommended as a treatment for px w/:

    DIC with hypofibrinogenemia

  • 90

    92.Although ABO compatibility is preferred,ABO incompatible product may be administered when transfusing:

    Cryoprecipitated AHF

  • 91

    93.A rgt test strip pad for blood has been reported(+). Microscopic examination fails to yield RBC.The px condition can be called:

    hemoglobinuria .

  • 92

    94. The most sensitive test for the initial diagnosis of cryptococcal disease is

    cryptococcal ag

  • 93

    95. W/c of the ff stains is used to demonstrate iron, ferritin and hemosiderin?

    Prussian blue

  • 94

    96.When a natural killer cell comes in contact w/ cell expressing MHC classI proteins what action will result?

    inhibition of killing

  • 95

    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

  • 96

    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

  • 97

    99. The conversion of glucose or other hexoses into lactate or pyruvate is called:

    glycolysis

  • 98

    100. Blood collected in EDTA undergoes which of the ff changes if kept at room temperature for 6-24 hours?

    ↑ hct & mcv