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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
Q

infectious substances are divided into how many risk groups

A

4

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26
Q

the infectious cycle does not include

A

type of pathogen

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27
Q

what should be the MLA/T’s first response to a needle stick injury

A

decontaminate puncture site with appropriate antispetic

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28
Q

if radioactive capsules or beads are spilled, they may be picked up with

A

forceps

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29
Q

protection from non-ionizing radiation includes what PPE

A

goggles and gloves

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30
Q

radioactive materials are placed in which class of dangerous goods

A

7

31
Q

clinical sign indicating that a person is choking and has complete airway obstruction

A

no chest movement

32
Q

how to best define jaundice

A

yellow coloring of the skin due to liver disorders

33
Q

which vacutainer additive causes the most carryover problems

A

EDTA

34
Q

when drawing blood, the phlebotomist should release the tourniquet when (according to MLPAO

A

prior to the withdrawl of the last tube

35
Q

in chain of custody situation, what is not required

A

patient doctor

36
Q

physician orders a HI viral load - specimen should be shipped according to what

A

category A packaging requirements

37
Q

what does FOB test detect

A

cancer

38
Q

misidentifying patients is considered

A

negligence

39
Q

donation of 1 unit of whole blood typically contains how much blood

A

450mL

40
Q

what test performed on donor packed cells is most important in prevention of an immediate hemolytic transfusion reaction

A

ABO

41
Q

which blood product is kept in a -20 degree celcius freezer

A

cryoprecipitate

42
Q

what structure in the digestive tract is responsible for HCI secretion

A

parietal cell

43
Q

what is the reference range for total thyroxine (T4) is S.I. units

A

55-155

44
Q

“LD” refers to an element of which profile type

A

cardiac

45
Q

what should not be ingested when patient is collecting a sample for occult blood

A

alcohol

46
Q

anticoagulant of choice for blood gas studies

A

lithium hemarin

47
Q

maximum time a coagulation specimen for prothrombin time assay that is unopened and stored @ 18-24 degrees celcius can be kept before testing

A

24 hours

48
Q

elevated hemoglobin result may be caused by

A

lipemia in the CBC tube

49
Q

maximum time a urine sample can be refrigerated with affecting bacterial flora

A

24 hours

50
Q

a swab that has touched the surface of a glass slide is considered

A

non-sterile

51
Q

what temp is sheep blood added to molten agar to produce chocolate agar

A

75-80 degrees celcius

52
Q

what is the purpose of the catalyst in an anaerobic jar

A

combines residual oxygen with hydrogen to form water

53
Q

what temp is Campylobactor agar incubated

A

42 degrees celcius

54
Q

what does an electrocardiogram or ECG record

A

electrical activity of the heart

55
Q

and ECG requires that electrodes are attached where on the body

A

chest, arms, legs

56
Q

an electrocardiograph machine is used to record

A

electrical activity of the heart

57
Q

cellular morphology of a cytological preparation is distorted when smears are

A

allowed to dry prior to staining

58
Q

reagent used for blueing a hematoxylin stained section

A

alkaline solution

59
Q

when a ruine microscopy is performed, the specimen must be centrifuged @ 1500-300rp for how many minutes

A

5 minutes

60
Q

a volumetric flask that is calibrated @ 20 degrees celcius would be expected to contain more volume of the

A

liquid is heated before measured

61
Q

the term “bias” is defined as

A

a measure of the departure from accuracy

62
Q

what are the upper and lower limits of acceptable results for a control, if the mean is 130g/L and SD is 2.0

A

126-134 g/L

63
Q

an error was made in preparing a commercial control. patients’ results will be

A

not affected

64
Q

which type of water would be used for routine lab assays

A

clinical laboratory reagent water (CLRW)

65
Q

the shipment of dry ice is considered a minor danger and falls within packing group

A

3

66
Q

where there is risk of aerosol production, level 2 containment requires a minimum of

A

level 1 biosafety cabinet

67
Q

CPR on an adult requires how many chest compressions before a series of 2 breaths is give

A

30

68
Q

what does the term “myocardial infarct” refer to

A

an area of the heart tissue that dies

69
Q

what tests are likely to be ordered from a lumbar puncture

A

glucose, protein, Gram’s stain, cell count

70
Q

what is the function of the gel separator in an evacuated blood collection tube

A

RBCs and WBCs from plasma/serum

71
Q

a fecal sample for culture and sensitivity is collected by

A

aseptic technique

72
Q

what item is NOT found in cryoprecipitate

A

factor V

73
Q

DAT is what type of test

A

transfusion science test

74
Q

what surrogate test is used to detect donors at high risk for transmitting transfusion related disease

A

syphilis

Med Lab (13 decks)

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