(FINALS) PRACTICE QUIZ

Question 1

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:

Answer 1

41S

Question 2

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

Answer 2

22S

Question 3

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

Answer 3

Contamination of a single specimen

Question 4

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

Answer 4

Standards are too concentrated

Question 5

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.

Answer 5

Check the temperature for temperature sensitive analysis

Question 6

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

Answer 6

silver – silver chloride

Question 7

In electrophoresis analysis, buffers

Answer 7

act as carrier for ions

Question 8

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

Answer 8

PO2

Question 9

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

Answer 9

accuracy

Question 10

The nanometer is used as measure of

Answer 10

wavelength of radiant energy

Question 11

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

Answer 11

nephelometry

Question 12

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

Answer 12

coulometry

Question 13

Which of the following wavelengths is within the ultraviolet range?

Answer 13

340 nm

Question 14

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

Answer 14

Nephelometry

Question 15

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

Answer 15

Chromatography

Question 16

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

Answer 16

Electrophoresis

Question 17

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

Answer 17

Nephelometry

Question 18

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

Answer 18

Turbidimetry

Question 19

Color absorbed: Violet

Answer 19

340-430 nm

Question 20

Solution color: Violet

Answer 20

none of the above

Question 21

Color absorbed Red

Answer 21

none of the above

Question 22

Solution color: Green-blue

Answer 22

none of the above

Question 23

Color absorbed: Green

Answer 23

505-555

Question 24

Solution Color: Red

Answer 24

495-505

Question 25

Solution color: Purple

Answer 25

505-555

Question 26

Solution color: Yellow

Answer 26

430-475 nm

Question 27

Color absorbed: Orange

Answer 27

none of the above

Question 28

Color solution: yellow-green

Answer 28

340-430 nm

Question 29

All components are duplicated except the light source.

Answer 29

Double beam in space

Question 30

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

Answer 30

Double beam in space

Question 31

Duplicate of cuvet compartments

Answer 31

Double beam in time

Question 32

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

Answer 32

Double beam in time

Question 33

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

Answer 33

Kjeldahl Digestion

Question 34

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

Answer 34

Berthelot Method

Question 35

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

Answer 35

Nesslerization

Question 36

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

Answer 36

Kodak Ectachem Analyzer

Question 37

Based on chromatography.

Answer 37

Urastrat Strip

Question 38

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

Answer 38

Conductimetric method

Question 39

Direct condensation reaction.

Answer 39

Diacetyl Monoxime

Question 40

Creatinine reacts with alkaline picrate yielding creatinine picrate.

Answer 40

Jaffe Reaction

Question 41

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

Answer 41

F. Lim

Question 42

This method uses creatinine amidohydrolase.

Answer 42

GA Moss

Question 43

Allantoin + CO2

Answer 43

Blaunch and Koch

Question 44

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

Answer 44

Uricase-catalase system

Question 45

Quinoneimine derivative

Answer 45

Trinder-Uricase method

Question 46

Ferric ions are used in this method

Answer 46

TPTZ Method by Morin

Question 47

Cupric ions are used in this method

Answer 47

Bittner method

Question 48

BLOOD URIC ACID

Answer 48

0.059

Question 49

CHOLESTEROL

Answer 49

0.0259

Question 50

TRIGLYCERIDE

Answer 50

0.011

Question 51

False increase in ludes cephalosporin and dopamine intake

Answer 51

High Performance Liquid Chromatography

Question 52

Creatinine reacts with alkaline picrate at two different levels

Answer 52

Yatzidis

Question 53

Non-creatinine jaffe-reacting chromogens