問題一覧
1
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
2
46. Which of the RBC indices is a measure of the amount of hemoglobin in individual red blood cells?
MCH
3
57.Specific(2ndary)granules of the neutrophilic granulocyte:
appear first at the myelocyte stage
4
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
5
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
6
63.The mean value of retic count on spx of cord blood from healthy,full-term newborns is approximately:
5.0%
7
44. Calibration of refractometers is performed by measuring the SG of distilled water and:
NaCl
8
35. The colony count from a suprapubic urine culture growing 10 colonies of S saprophyticus is:
1000 CFU/mL
9
28. Mycobacterium tuberculosis is initially isolated from the sputum of a 35-year-old male. Antimicrobial susceptibility testing on this isolate is:
routinely performed
10
83. D-dimers are produced from:
crosslinked & stabilized fibrin clots
11
67. The M:E ratio in erythroleukemia is usually:
low
12
6. which of the following would be evidence of a successful vasectomy?
azoospermia
13
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
14
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
15
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)]
16
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
17
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
18
1. Which of the ff is ↓ in serum during the active stages of SLE?
C3
19
27.A false elevation in a manual hct (microhematocrit) determination may result from
trapped plasma
20
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
21
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
22
31.ff results are seen on maternal postpartum sample: The most appropriate course of action is to:
investigate for a fetomaternal hemorrhage
23
62. Shigella species characteristically are:
nonmotile
24
60. Which of the following contaminants has a dimpled center and will polarize?
starch
25
51. vWF antigen can be found in which of the ff?
megakaryocytes
26
41. The fluid leaving the glomerulus normally has a specific gravity of:
1.010
27
66. Urine that develops a port wine color after standing may contain:
Porphyrins
28
50. The mating of an Xg(a+) man & an Xg(a-) woman will only produce:
Xg(a-) sons and Xg(a+) daughters
29
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
30
70.A characteristic of the BJP that is use to distinguish it from other urinary proteins is its solubility:
at 100°C
31
16. W/c of the ff anaerobes is inhibited by sodium polyanethol sulfonate (SPS)?
Peptostreptococcus anaerobius
32
49. The minimum hemoglobin concentration in a fingerstick from a male blood donor is:
13 g/dl (130 g/L)
33
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
34
5. In an uncomplicated case of infectious mononucleosis, w/c of the ff cells are affected?
lymphocytes
35
34 All of the findings listed below may be seen in autoimmune hemolytic anemias . The one considered to be the most characteristic is:
(+) DAT
36
65. Refer to the following data Given the rx above,w/c is the most probable genotype?
R1R2
37
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
38
78. Maple syrup urine disease is characterized by an increase in which of the following urinary amino acids?
valine, leucine & isoleucine
39
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
40
92.21yo px presents w/pharyngitis.A throat swab is colected & submitted for anaerobic culture.spx shoud be
rejected as unacceptable
41
79.diagnosis lead poisoning should include:
WB lead
42
11.H.influenzae becomes resistant to ampicillin when the org produces :
the B-lactamase enzyme
43
91. During sweat collection ,a consideration that can result in a falsely high result is:
evaporation
44
69.In USA,a common cause of eumycotic mycetoma
Pseudallescheria boydii
45
36. Polyvinyl alcohol used in the preparation of permanently stained smears of fecal material:
serves as an adhesive
46
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
47
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.
48
100. Which of the following exhibits rapid motility in urine sediment?
Trichomonas vaginalis
49
45. W/c of the ff is the correct storage temp for the component listed?
FFP -20°C
50
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
51
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
52
55.Arginine vasopressin (ADH) regulates the reabsorption of:
water
53
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
54
61. Which of the following is the most common cause of anemia in hospitalized patients?
anemia of chronic dse
55
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
56
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)
57
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
58
52.The spx of choice for preparation of blood films for manual differential leukocyte counts is WB collected in:
EDTA
59
73. An automated method for measuring chloride which generates silver ions in the rxn is:
coulometry
60
58. The degree to which the kidney concentrates the glomerular filtrate can be determined by:
urine to serum osmolality ratio
61
12. Relapsing fever in human is caused by:
Borrelia recurrentis
62
39. What type of short read files w/ quality scores are used for storing next generation sequencing read data?
FASTQ
63
82.All stages of neutrophils are most likely to be seen in the peripheral blood of a px with:
CML
64
77. W/c of the ff hgbinopathies is asso w/ rod shaped crystals?
HgbC
65
71. In a quality assurance program, Cryoprecipitated AHF must contain a minimum of how many international units of Factor8?
80
66
48. Treatment of IgG with papain results in how many fragments from each immunoglobulin molecule?
3
67
81. The advantage of thick blood smears for malarial parasites is to:
improve detection of the org
68
84. While performing a routine urinalysis, the laboratorian notes a 2+ protein result. They should:
confirm w/ the acid precipitation test
69
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
70
21.one of the main difference between ITP & HUS is
kidney dysfunction
71
4. Ketones in the urine are due to:
incomplete fat metabolism
72
A 15. Identify the organism
Coccidioides immitis
73
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
74
89. Humoral antibodies are produced by which cells?
B lymphocytes
75
19. A common cause of respiratory alkalosis is:
hyperventilation
76
68. W/c of the ff represents characteristic features of iron metabolism in px w/ anemia of chronic disease?
result d
77
10. The formulation of germ tubes identifies:
C.albicans
78
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
79
72. Cryoprecipitated AHF, if maintained in the frozen state at -18°C or below, has a shelf life of:
12 months
80
14.W/c ff crystals may be found in acidic urine?
calcium oxalate.
81
26. When myocardial infarction occurs, the first enzyme to become elevated is:
CK
82
7. A 21-yo woman had glucose in her urine, but a normal fasting blood glucose. These findings are
renal glycosuria
83
98.W/c of the ff travel-related responses will result in donor deferral?
residence in England for 6 months during 1990
84
29. All donor blood testing must include:
serological test for syphilis
85
20.clinical assays for tumor markers are most important for:
monitoring the course of a known cancer
86
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
87
18.ff results were obtained in creatinine clearance
65
88
38. Given the following results: this is most consistent with:
acute hepatitis
89
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
90
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
91
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
92
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
93
76.A (+)niacin test is charcterstic of Mycobacterium:
tuberculosis
94
93.Prior to reporting RBC cast,it is important to observe:
free-floating RBCs
95
32.Cancer ag125(CA 125) is a tumor marker asso w/:
ovarian & endometrial carcinoma
96
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
97
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
98
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
99
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