問題一覧
1
1. Which of the ff is ↓ in serum during the active stages of SLE?
C3
2
2. If pKa= 6.1,the CO2 =25 mM/L, the salt equals the TCO2 content minus the carbonic acid; the CO=0.03 x pCO2 & pCO2= 40mmHg, it may be concluded that:
pH=6.1+log[(25-1.2)/(1.2)]
3
3. A px been treated for polycythemia vera for several yrs.His blood smear now shows: Oval macrocytes, Howell-Jolly bodies, hypersegmented neutrophils, large, agranular plts. The most probable cause of this
chemotherapy
4
4. Ketones in the urine are due to:
incomplete fat metabolism
5
5. In an uncomplicated case of infectious mononucleosis, w/c of the ff cells are affected?
lymphocytes
6
6. which of the following would be evidence of a successful vasectomy?
azoospermia
7
7. A 21-yo woman had glucose in her urine, but a normal fasting blood glucose. These findings are
renal glycosuria
8
8. A woman in her 9month of pregnancy has a (-)urine glucose result w/ the rgt test strip, but a (+) reaction w/ the copper reduction mtd.The reducing substance most likely responsible for these results is:
lactose
9
9. Arterial blood that is collected in a heparinized syringe but exposed to room air would be most consistent with the changes in which of the ff spx?
spx a
10
10. The formulation of germ tubes identifies:
C.albicans
11
11.H.influenzae becomes resistant to ampicillin when the org produces :
the B-lactamase enzyme
12
12. Relapsing fever in human is caused by:
Borrelia recurrentis
13
13. After a difficult venipuncture requiring prolonged application of the tourniquet,the serum K+ was found to be 6.8mEq/L(6.8 mmol/L).The best course of action is
repeat the test using freshly drawn serum
14
14.W/c ff crystals may be found in acidic urine?
calcium oxalate.
15
A 15. Identify the organism
Coccidioides immitis
16
16. W/c of the ff anaerobes is inhibited by sodium polyanethol sulfonate (SPS)?
Peptostreptococcus anaerobius
17
17. A urine with Clinitest exhibits a pass-through rxn & is diluted by adding 2drops of urine to 10drops of water. This is a dilution of:
1:6
18
18.ff results were obtained in creatinine clearance
65
19
19. A common cause of respiratory alkalosis is:
hyperventilation
20
20.clinical assays for tumor markers are most important for:
monitoring the course of a known cancer
21
21.one of the main difference between ITP & HUS is
kidney dysfunction
22
22. The ff results are from a 21yo px w/ a back injury who appears otherwise healthy: The best interpretation of these results is that:
all values are consistent w/a normal healthy individual
23
23.A series of 8tubes are set-up w/ 0.79mL of diluent in each.A serial dilution is performed by adding 10uL serum of 1st tube & then transfering 10uL through each remaining tube.What’s the serum dilution of tube 7?
1:2.097 x 1013
24
24. A 2yo child w/a ↓ serum T4 is described as being somewhat dwarfed,stocky,overweight,& having coarse features.Of the ff, the most informative additional lab test would be the serum:
TSH
25
25.Cytochemical stains were performed on BM smear from an acute leukemia px.The majority of the blasts showed varying amounts of myeloperoxidase(+).Some of the blasts stained (+) for chloroacetate esterase,some were (+) for a-naphthyl acetate esterase,& some blasts stained (+) for both esterases. what type of leukemia is
myelomonocyti
26
26. When myocardial infarction occurs, the first enzyme to become elevated is:
CK
27
27.A false elevation in a manual hct (microhematocrit) determination may result from
trapped plasma
28
28. Mycobacterium tuberculosis is initially isolated from the sputum of a 35-year-old male. Antimicrobial susceptibility testing on this isolate is:
routinely performed
29
29. All donor blood testing must include:
serological test for syphilis
30
30. A blood culture bottle with macroscopic signs of growth is Gram stained & the technician notes small, curved Gram(-)bacilli resembling "gull wings." It is subcultured to blood & chocolate agar, and incubated aerobically & anaerobically. After 24hrs.no growth is apparent. The next step should be:
subculture the bottle,& incubate in microaerophilic conditions
31
31.ff results are seen on maternal postpartum sample: The most appropriate course of action is to:
investigate for a fetomaternal hemorrhage
32
32.Cancer ag125(CA 125) is a tumor marker asso w/:
ovarian & endometrial carcinoma
33
33. A 45-year-old woman has a fasting serum glucose concentration of 95 mg/dL (5.2 mmol/L) and a 2-hour postprandial glucose concentration of 105 mg/dL (5.8 mmol/L). The statement which best describes this patent's fasting serum glucose concentration is:
normal; reflecting glycogen breakdown by the liver
34
34 All of the findings listed below may be seen in autoimmune hemolytic anemias . The one considered to be the most characteristic is:
(+) DAT
35
35. The colony count from a suprapubic urine culture growing 10 colonies of S saprophyticus is:
1000 CFU/mL
36
36. Polyvinyl alcohol used in the preparation of permanently stained smears of fecal material:
serves as an adhesive
37
37. A 53yo man as in recovery ff a triple bypass operation. Oozing was noted from his surgical wound. The ff lab data was obtained:The most likely cause of bleeding would be:
dilutional thrombocytopenia
38
38. Given the following results: this is most consistent with:
acute hepatitis
39
39. What type of short read files w/ quality scores are used for storing next generation sequencing read data?
FASTQ
40
40. A donor who has just donated 2 units of Apheresis RBC will be deferred from further blood donation for a minimum of how many wks?
16
41
41. The fluid leaving the glomerulus normally has a specific gravity of:
1.010
42
42. In reviewing the number of Mycobacterium isolates for the current year, it was noted that there were 76% fewer isolates than the previous year (115 vs 28). The technologist in charge of the area has documented that the QC of media , rgts & stains has been acceptable & there has been no gross contamination of the cultures noted. The most appropriate next course of action is to:
review the digestion & decontamination procedure
43
43. If fasting glucose was 90mg/dL, w/c of the ff 2hr postprandial glucose results would most closely represent normal glucose metabolism?
100mg/dL(5.5 mmol/L)
44
44. Calibration of refractometers is performed by measuring the SG of distilled water and:
NaCl
45
45. W/c of the ff is the correct storage temp for the component listed?
FFP -20°C
46
46. Which of the RBC indices is a measure of the amount of hemoglobin in individual red blood cells?
MCH
47
47.A px w/ type 1,insulin dependent DM has ff result After reviewing these test results, the technologist concluded that the patient is in a:
improving state of metabolic ctrl as indicated by fructosamine
48
48. Treatment of IgG with papain results in how many fragments from each immunoglobulin molecule?
3
49
49. The minimum hemoglobin concentration in a fingerstick from a male blood donor is:
13 g/dl (130 g/L)
50
50. The mating of an Xg(a+) man & an Xg(a-) woman will only produce:
Xg(a-) sons and Xg(a+) daughters
51
51. vWF antigen can be found in which of the ff?
megakaryocytes
52
52.The spx of choice for preparation of blood films for manual differential leukocyte counts is WB collected in:
EDTA
53
53. A vaginal/rectal swab is collected from a pregnant patient to screen for grp B Streptococcus colonization. The best medium to inoculate the specimen to is:
LIM broth
54
54. Results from a cloudy, yellow pleural fluid collected from a 56-year-old male are listed below: These results indicate the fluid is most likely:
an exudate
55
55.Arginine vasopressin (ADH) regulates the reabsorption of:
water
56
56. A patient has the following test results: increased serum calcium levels decreased serum phosphate levels increased levels of parathyroid hormone This patient most likely has?
hyperparathyroidism
57
57.Specific(2ndary)granules of the neutrophilic granulocyte:
appear first at the myelocyte stage
58
58. The degree to which the kidney concentrates the glomerular filtrate can be determined by:
urine to serum osmolality ratio
59
59. A laboratorian is having trouble differentiating between RBC, oil droplets & yeast cells on a urine microscopy.Acetic acid should be added to sediment to:
lyse the red blood cells
60
60. Which of the following contaminants has a dimpled center and will polarize?
starch
61
61. Which of the following is the most common cause of anemia in hospitalized patients?
anemia of chronic dse
62
62. Shigella species characteristically are:
nonmotile
63
63.The mean value of retic count on spx of cord blood from healthy,full-term newborns is approximately:
5.0%
64
64.A liquid stool spx is collected @10:00pm & brought to the lab for culture & ova & parasite examination. It is ref until 10:10am the next day, when the physician requests the technologist look for amoebic trophozoites.The best course of action would be to:
request a fresh specimen
65
65. Refer to the following data Given the rx above,w/c is the most probable genotype?
R1R2
66
66. Urine that develops a port wine color after standing may contain:
Porphyrins
67
67. The M:E ratio in erythroleukemia is usually:
low
68
68. W/c of the ff represents characteristic features of iron metabolism in px w/ anemia of chronic disease?
result d
69
69.In USA,a common cause of eumycotic mycetoma
Pseudallescheria boydii
70
70.A characteristic of the BJP that is use to distinguish it from other urinary proteins is its solubility:
at 100°C
71
71. In a quality assurance program, Cryoprecipitated AHF must contain a minimum of how many international units of Factor8?
80
72
72. Cryoprecipitated AHF, if maintained in the frozen state at -18°C or below, has a shelf life of:
12 months
73
73. An automated method for measuring chloride which generates silver ions in the rxn is:
coulometry
74
74. A px has been takin aspirin regularly for arthritic pain. W/c one of the ff tests is most likely to be abnormal in this px?
PFA-100
75
75. A 24hr urine from a man who had no evidence of kidney impairment was sent to the lab for hormone determination. The volume was 600mL,but there was some question as to the completeness of the 24hr collection. The next step would be to:
check the creatinine lvl; if it is >1g, do the procedure
76
76.A (+)niacin test is charcterstic of Mycobacterium:
tuberculosis
77
77. W/c of the ff hgbinopathies is asso w/ rod shaped crystals?
HgbC
78
78. Maple syrup urine disease is characterized by an increase in which of the following urinary amino acids?
valine, leucine & isoleucine
79
79.diagnosis lead poisoning should include:
WB lead
80
80.A px w/ a prosthetic heart valve visits the dentist for her yearly check up.2wks later, she presents to her primary care physician w/ a high fever,chills & shortness of breath & receives a diagnosis of subacute endocarditis.Multiple blood culture sets are drawn on the px & sent to the lab.24hrs later the bottles are (+)for bacterial growth.W/c org would you expect to grow?
Staph viridans
81
81. The advantage of thick blood smears for malarial parasites is to:
improve detection of the org
82
82.All stages of neutrophils are most likely to be seen in the peripheral blood of a px with:
CML
83
83. D-dimers are produced from:
crosslinked & stabilized fibrin clots
84
84. While performing a routine urinalysis, the laboratorian notes a 2+ protein result. They should:
confirm w/ the acid precipitation test
85
85. The Gram stain from a blood culture shows Gram(+) cocci in chains. The subcultured plates from the blood culture bottle show no growth. Additional testing should be done to detect the presence of:
Abiotrophia defectiva
86
86. The most appropriate method for collecting a urine specimen from a patient with an indwelling catheter is:
aspirate urine aseptically from the catheter tubing
87
87. A urine culture from a px w/ a urinary tract infection yields a yeast w/ the ff characteristics: failure to produce germ tubes. hyphae not formed on cornmeal agar urease(-) assimilates trehalose
Candida Glabrata
88
88. W/c of the ff systems plays an important role in TRALI,TA-GVHD, plt refractoriness =,& FNHTR as well as hematopoietic stem & organ transplantation rejection?
HLA
89
89. Humoral antibodies are produced by which cells?
B lymphocytes
90
91. During sweat collection ,a consideration that can result in a falsely high result is:
evaporation
91
92.21yo px presents w/pharyngitis.A throat swab is colected & submitted for anaerobic culture.spx shoud be
rejected as unacceptable
92
93.Prior to reporting RBC cast,it is important to observe:
free-floating RBCs
93
94. A spx w/ a (-)nitrite rxn & a (+)leukocyte esterase rxn that has WBCs,WBC casts,but no bacteria in the sediment will be seen in cases of:
acute interstitial nephritis
94
95. While performing routine postpartum testing for an Rh immune globulin (RhIG) candidate, a weakly positive antibody screening test was found . Anti-D was identified . This antibody is most likely the result of:
antenatal administration of RhIg at 28 wks' gestation
95
96.W/c of the ff prospective donors would be accepted for donation?
22yo college student who has a temp of 99.2°F (37.2°C) & states that he feels well, but nervous about donating.
96
97.An 89yo Caucasian female was transferred to the hospital from a nursing facility for treatment of chronic UTI w/ proteinuria.The px presented w/ the ff lab data: These data are most consistent with which of the following conditions?
anemia of chronic inflammation
97
98.W/c of the ff travel-related responses will result in donor deferral?
residence in England for 6 months during 1990
98
99.The transfusion service is preparing aliquots from a unit of RBC Leukocytes Reduced w/ the aid of a sterile connecting device for a pediatric px.When checking the weld for one of these aliquots,it is noted that the weld is incomplete & leaking.This unit is then released w/ an acceptable weld.What the expiration date of this unit be
24 hrs
99
100. Which of the following exhibits rapid motility in urine sediment?
Trichomonas vaginalis