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CC1 LAB > (FINALS) PRACTICE QUIZ > Flashcards

(FINALS) PRACTICE QUIZ Flashcards

1
Q

While doing quality control you have observed that in day 1 the control value exceeds +2SD, then in day 2, one control value exceeds -2SD, this error can be interpreted using the Westgard Multirule as:

A

41S

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2
Q

In Westgard multirule, two consecutive values exceeding +2 Standard Deviation or -2 Standard Deviation is reported as:

A

22S

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3
Q

Which among the following are causes of a control value that goes beyond +2SD or -2SD in the Levey-Jennings Chart?

A

Contamination of a single specimen

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4
Q

Which among the following is a cause of control values that continue to decrease for a period of six consecutive days?

A

Standards are too concentrated

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5
Q

Which among the following could be done when you have observed control values that are distributed on the higher side of the mean for six consecutive days.

A

Check the temperature for temperature sensitive analysis

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6
Q

In the potentiometric measurement of hydrogen ion concentration, reference electrode that may be used include

A

silver – silver chloride

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7
Q

In electrophoresis analysis, buffers

A

act as carrier for ions

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8
Q

Which of the following electrodes is based on the principle of amperometric measurement?

A

PO2

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9
Q

The extent to which measurement agree with the true value of the quantity being measured is known as

A

accuracy

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10
Q

The nanometer is used as measure of

A

wavelength of radiant energy

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11
Q

The measurement of light scattered by particles in the sample is the principle of

A

nephelometry

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12
Q

The measurement of the amount of electricity passing between two electrodes in an electrochemical cell is the principle of

A

coulometry

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13
Q

Which of the following wavelengths is within the ultraviolet range?

A

340 nm

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14
Q

Measures light scattered by small particles at right angles to the beam incident to the cuvette

A

Nephelometry

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15
Q

Measures the separation of mixtures into individual components based on specific differences in physical properties

A

Chromatography

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16
Q

Measures the separation of proteins based on ionic charge and molecular size

A

Electrophoresis

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17
Q

Measures the total number of dissolved particles in a solution based on colligative properties

A

Nephelometry

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18
Q

Measures the amount of light blocked by particulate matter as light passes to through the cuvette by a spectrophotometer.

A

Turbidimetry

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19
Q

Color absorbed: Violet

A

340-430 nm

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20
Q

Solution color: Violet

A

none of the above

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21
Q

Color absorbed Red

A

none of the above

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22
Q

Solution color: Green-blue

A

none of the above

23
Q

Color absorbed: Green

A

505-555

24
Q

Solution Color: Red

A

495-505

25
Q

Solution color: Purple

A

505-555

26
Q

Solution color: Yellow

A

430-475 nm

27
Q

Color absorbed: Orange

A

none of the above

28
Q

Color solution: yellow-green

A

340-430 nm

29
Q

All components are duplicated except the light source.

A

Double beam in space

30
Q

The two beams pass at the same time through different components.

A

Double beam in space

31
Q

Duplicate of cuvet compartments

A

Double beam in time

32
Q

Two beams pass through the same components but not at the same time

A

Double beam in time

33
Q

The nitrogen in pff of the specimen is converted to ammonia using hot concentrated sulfuric acid with copper sulfate as the catalyst

A

Kjeldahl Digestion

34
Q

Combination of ammonia, sodium hypochlorite and phenol yields indophenol, sodium chloride and water.

A

Berthelot Method

35
Q

Ammonia is reacted with double iodide salt of potassium and mercury yielding a yellow to orange brown product.

A

Nesslerization

36
Q

Dye is added to ammonium ions from urea hydrolysis and the color change is measured.

A

Kodak Ectachem Analyzer

37
Q

Based on chromatography.

A

Urastrat Strip

38
Q

Based on the measurement of the conductivity generated from the reaction of urease on urea producing ammonium ions and bicarbonates.

A

Conductimetric method

39
Q

Direct condensation reaction.

A

Diacetyl Monoxime

40
Q

Creatinine reacts with alkaline picrate yielding creatinine picrate.

A

Jaffe Reaction

41
Q

Creatinine in the presence of creatininase yields N-methylhydantoin and ammonia.

A

F. Lim

42
Q

This method uses creatinine amidohydrolase.

A

GA Moss

43
Q

Allantoin + CO2

A

Blaunch and Koch

44
Q

3H2O + 3, 5-diacetyl-1,4-dihydrolutidine

A

Uricase-catalase system

45
Q

Quinoneimine derivative

A

Trinder-Uricase method

46
Q

Ferric ions are used in this method

A

TPTZ Method by Morin

47
Q

Cupric ions are used in this method

A

Bittner method

48
Q

BLOOD URIC ACID

A

0.059

49
Q

CHOLESTEROL

A

0.0259

50
Q

TRIGLYCERIDE

A

0.011

51
Q

False increase in ludes cephalosporin and dopamine intake

A

High Performance Liquid Chromatography

52
Q

Creatinine reacts with alkaline picrate at two different levels

A

Yatzidis

53
Q

Non-creatinine jaffe-reacting chromogens

A

CC1 LAB (5 decks)

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