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Med Lab > MLPAO practice test > Flashcards

MLPAO practice test Flashcards

1
Q

cytosine pairs with what in DNA replication

A

guanine

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2
Q

normal reference range for CSF glucose in an adult

A

2.1-4.2 mmol/L

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3
Q

calculation of the anion gap is useful for quality control of what

A

electrolytes

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4
Q

recommended action required for patient with cholesterol level of 3.5mmol/L

A

recheck every 5 years

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5
Q

what is most likely found in combination with a high serum creatinine result

A

high urea

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6
Q

patients coagulation testing results include
- INR of 2.0
- PT of 65 seconds
physician calling for results should be given what info

A

only the results of INR and PTT

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7
Q

of values in a CBC, what is calculated value

A

hematocrit

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8
Q

cyanmethemoglobin method for the determination of hemoglobin will NOT measure

A

sulfhemoglobin

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9
Q

what describes an abnormal increase in the number or white blood cells

A

leukocytosis

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10
Q

urine specimen for routine bacteriology would be collected in a container that is what

A

unfixed

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11
Q

what type of atmosphere is required for strict anaerobic growth

A

elevated co2

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12
Q

when CSF specimen is collected for routine bacteriological studies, which tube is used

A

black tube

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13
Q

incubation conditions used to grow common pathogenic campylobacter

A

microaerophilic, 42 degrees celcius

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14
Q

purpose of transport medium that is used in the shipment of microbiology specimens

A

sustain bacterial growth

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15
Q

a muscle artifact during an ECG can be identified by

A

erratic baseline

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16
Q

when assessing cardiac risk prior to surgery, what is not used

A

holter monitor

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17
Q

after Holter monitor connected to patient, what special instructions are required

A

keep accurate diary of

  • activities
  • emotional states and symptoms
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18
Q

an electrocardiogram is accurately described as a test that does what

A

records activity of the heart

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19
Q

which electrodes are used for Lead II (2)

A

right arm and left leg

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20
Q

2 stain solutions routinely used in the Papanicolaou stain

A

hematoxylin and easin_azure (EA)

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21
Q

how long do cytology smears remain in the fixative

A

15 minutes

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22
Q

a test for liver function is found to detect impairment in 30% of patients with disease - test shows what

A

low sensitivity

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23
Q

what is NOT an acceptable way to express solution concentration

A

volume/mass (v/m)

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24
Q

what % of values fall within +/-2 SD of a mean in a normal guassian distribution

A

0.95

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25
infectious substances are divided into how many risk groups
4
26
the infectious cycle does not include
type of pathogen
27
what should be the MLA/T's first response to a needle stick injury
decontaminate puncture site with appropriate antispetic
28
if radioactive capsules or beads are spilled, they may be picked up with
forceps
29
protection from non-ionizing radiation includes what PPE
goggles and gloves
30
radioactive materials are placed in which class of dangerous goods
7
31
clinical sign indicating that a person is choking and has complete airway obstruction
no chest movement
32
how to best define jaundice
yellow coloring of the skin due to liver disorders
33
which vacutainer additive causes the most carryover problems
EDTA
34
when drawing blood, the phlebotomist should release the tourniquet when (according to MLPAO
prior to the withdrawl of the last tube
35
in chain of custody situation, what is not required
patient doctor
36
physician orders a HI viral load - specimen should be shipped according to what
category A packaging requirements
37
what does FOB test detect
cancer
38
misidentifying patients is considered
negligence
39
donation of 1 unit of whole blood typically contains how much blood
450mL
40
what test performed on donor packed cells is most important in prevention of an immediate hemolytic transfusion reaction
ABO
41
which blood product is kept in a -20 degree celcius freezer
cryoprecipitate
42
what structure in the digestive tract is responsible for HCI secretion
parietal cell
43
what is the reference range for total thyroxine (T4) is S.I. units
55-155
44
"LD" refers to an element of which profile type
cardiac
45
what should not be ingested when patient is collecting a sample for occult blood
alcohol
46
anticoagulant of choice for blood gas studies
lithium hemarin
47
maximum time a coagulation specimen for prothrombin time assay that is unopened and stored @ 18-24 degrees celcius can be kept before testing
24 hours
48
elevated hemoglobin result may be caused by
lipemia in the CBC tube
49
maximum time a urine sample can be refrigerated with affecting bacterial flora
24 hours
50
a swab that has touched the surface of a glass slide is considered
non-sterile
51
what temp is sheep blood added to molten agar to produce chocolate agar
75-80 degrees celcius
52
what is the purpose of the catalyst in an anaerobic jar
combines residual oxygen with hydrogen to form water
53
what temp is Campylobactor agar incubated
42 degrees celcius
54
what does an electrocardiogram or ECG record
electrical activity of the heart
55
and ECG requires that electrodes are attached where on the body
chest, arms, legs
56
an electrocardiograph machine is used to record
electrical activity of the heart
57
cellular morphology of a cytological preparation is distorted when smears are
allowed to dry prior to staining
58
reagent used for blueing a hematoxylin stained section
alkaline solution
59
when a ruine microscopy is performed, the specimen must be centrifuged @ 1500-300rp for how many minutes
5 minutes
60
a volumetric flask that is calibrated @ 20 degrees celcius would be expected to contain more volume of the
liquid is heated before measured
61
the term "bias" is defined as
a measure of the departure from accuracy
62
what are the upper and lower limits of acceptable results for a control, if the mean is 130g/L and SD is 2.0
126-134 g/L
63
an error was made in preparing a commercial control. patients' results will be
not affected
64
which type of water would be used for routine lab assays
clinical laboratory reagent water (CLRW)
65
the shipment of dry ice is considered a minor danger and falls within packing group
3
66
where there is risk of aerosol production, level 2 containment requires a minimum of
level 1 biosafety cabinet
67
CPR on an adult requires how many chest compressions before a series of 2 breaths is give
30
68
what does the term "myocardial infarct" refer to
an area of the heart tissue that dies
69
what tests are likely to be ordered from a lumbar puncture
glucose, protein, Gram's stain, cell count
70
what is the function of the gel separator in an evacuated blood collection tube
RBCs and WBCs from plasma/serum
71
a fecal sample for culture and sensitivity is collected by
aseptic technique
72
what item is NOT found in cryoprecipitate
factor V
73
DAT is what type of test
transfusion science test
74
what surrogate test is used to detect donors at high risk for transmitting transfusion related disease
syphilis

Med Lab (13 decks)

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