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CLINICAL CHEMISTRY > PRELIMS WEEK 2 > Flashcards

PRELIMS WEEK 2 Flashcards

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1
Q

• Has the highest grade for accuracy (for qualitative and
quantitative

A

analytical reagent

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2
Q

• Has undergone additional purification steps, more purified
and sensitive than (AR)
• Ideal for delicate and intricate tests (Molecular tests,
Immunoassays, chromatography, atomic absorption spectrophotometry

A

ultrapure reagent

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3
Q

• Also known as pure grade
• Most chemically pure chemical, fails to reveal their tolerance,
limits of impurities because their purity is indicated by the manufacturer
• Not intended for research and analytical chemistry

A

CHEMICALLY PURE REAGENT

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4
Q

most frequently used reagent in the laboratory

A

water

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5
Q

• Water has been purified to remove almost all organic
materials
• Boiled and vaporized

A

distillation

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6
Q

Process that uses pressure to force water through a
semipermeable membrane

A

reverse osmosis

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7
Q

type III RGW is used in?

A

urinalysis or fecalysis

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8
Q

_____________ Glass
Used for test procedures needing heating or sterilization

A

borosilicate

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9
Q

Make use when you need excellent light transmission; used for cuvettes, for spectrophotometer

A

quartz glass/silica

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10
Q

High resistance to alkaline solution; not resistant in high temperatures

A

Boron-free/soft glass

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11
Q

Can be heated up to 900°C

A

vycor

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12
Q

Amber bottles; used for light sensitive (photosensitive) chemicals

A

low-actinic

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13
Q

Unique group of resins that are not affected by acid, alkaline solution. It can be autoclaved

A

polyolefins

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14
Q

Flexible at 30 °C and brittle at 45 °C. Can be steamed and autoclaved or sterilized using chemical reagents

A

tygon

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15
Q

Can resist extreme temperatures. -270 to 255 °C

A

teflon-fluorocarbon resin

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16
Q

Has the same chemical resistance as linear
polyethylene

A

polypropylene

17
Q

This resin possesses excellent chemical
resistance to almost all chemicals used in the clinical laboratory

A

teflon

18
Q

Very susceptible to damage by most chemicals.
It is resistant to water, aqueous salts, food, and inorganic acids for a long period of time

A

polycarbonate

19
Q

blood clots can be cleaned by

A

10% sodium hydroxide

20
Q

• Calibrated to hold one exact volume of liquid (TC)
• Has a round, lower portion with a flat bottom and a long, thin
neck with an etched calibration line

A

volumetric flask

21
Q

___________ flask has a wide bottom that gradually evolves
into a smaller, short neck

A

Erlenmeyer

22
Q

• Has a continuous etched ring or two small, close,
continuous rings located near the top of the pipet

A

blowout pipet

23
Q

SELF DRAINING OR BLOWOUT

MOHR PIPET

A

SELF draining

24
Q

SELF DRAINING OR BLOWOUT

SEROLOGIC PIPET

A

blowout pipet

25
Q

a transfer pipet used with biologic fluids having a viscosity greater than that of water

A

Ostwald folin

26
Q

• Designed to dispense or transfer aqueous solutions and
is always self-draining

• Has the greatest degree of accuracy and precision and
should be used when diluting standards, calibrators, or quality-control material

what type of transfer pipet?

A

volumetric pipet

27
Q

Do not have calibration marks and are used to transfer
solutions or biologic fluids without consideration of a specific volume

A

pasteur

28
Q

Most routinely used pipet in today’s clinical chemistry laboratory

A

automatic

29
Q

Operates by moving the piston in the pipet tip or barrel,
much like a hypodermic syringe

A

positive displacement

30
Q

primarily used to prevent moisture absorption by chemicals, gases, and instrument components

A

desiccants

31
Q

Mechanical analytic balance is also known as

A

substitution balance

32
Q

Used to check the speed of a centrifuge

A

tachometer or strobe light

33
Q

Freeze drying

A

lyophilization

CLINICAL CHEMISTRY (7 decks)

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