Clinical Laboratory Supplies

Question 1

The predominant practice of celcius on centigrade uses

Answer 1

celcius, farenheit, kelvin

Question 2

reactions that are temperature dependent use some type of:

Answer 2

heating/cooling cell, heating /cooling block, water/icebath

Question 3

kinds of thermometers

Answer 3

liquid-in-glass thermometers, electronic thermometer, digital thermometer

Question 4

another SRM, has a known melting point and can also be used for thermometer verification

Answer 4

Gallium

Question 5

has increased and is now routinely incorporated in many devices

Answer 5

electronic thermometer

Question 6

the advantage of thermistor over the more traditional liquid-in-glass thermometers are?

Answer 6

size and millisecond response time

Question 7

Glasswares used in clinical laboratory usually fall into one of the following categories

Answer 7

Kimax/Pyrex (borosilicate)
Corex (aluminosilicate)
high silica
vycor (acid and alkali resistant)
low actinic (amber colored)
flint (soda lime)

Question 8

the major types of resins frequently used in the clinical chemistry laboratory

Answer 8

polystyrene, polyethylene, polypropylene, tygon, teflon, polycarbonate, and polyvinyl chloride

Question 9

is calibrated to hold one exact volume of liquid

Answer 9

volumetric flask

Question 10

are designed to hold different volumes rather than one exact amount

Answer 10

erlenmeyer flask and griffins beakers

Question 11

are glass or plastic utensils used to transfer liquids, they may be reusable or disposable

Answer 11

Pipets

Question 12

Design

Answer 12

to contain

to deliver

Question 13

drainage characteristics

Answer 13

blowout and self-draining

Question 14

measuring or graduated

Answer 14

serologic
mohr
bacteriologic
ball, kolmer or kahn
micropipet

Question 15

transfer

Answer 15

volumetric
ostwald-folin
pasteur pipets
automatic macropipets or micopipets

Question 16

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

Answer 16

blowout pipet

Question 17

user allows the contents of the pipet to drain by gravity

Answer 17

self-draining

Question 18

does not have graduations on the tip

Answer 18

mohr pipet

Question 19

has graduation marks to the tip and is generally a blowout pipet

Answer 19

serologic pipet

Question 20

these pipets are designed to dispense volume without further subdivisions

Answer 20

transfer pipets

Question 21

bulblike enlargement in the pipet stem easily distinguishes

Answer 21

ostwald-folin and volumetric subgroups

Question 22

is design to dispense or transfer aqueous solutions and is always self draining

Answer 22

volumetric pipets

Question 23

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

Answer 23

pasteur pipets

Question 24

the most routinely used pipet in todays clinical chemistry laboratory

Answer 24

automatic pipet

Question 25

a pipet with a pipetting capability of less than 1mL is considered a

Answer 25

micropipet

Question 26

a pipet that dispenses greater than 1mL is called

Answer 26

macropipet

Question 27

relies on a piston for creating suction to draw the sample into a disposable tip that must be changed after each use

Answer 27

air-displacement pipet

Question 28

automatic pipets that can be categorized

Answer 28

air displacement, positive-displacement and dispensers

Question 29

operates by moving the piston in the pipet tip or barrel, much like a hypodermic syringe and the piston does not come in contact with the liquid

Answer 29

positive-displacement pipet

Question 30

are automatic pipets that obtain the liquid from a common reservoir and dispense

Answer 30

dispensers

Question 31

do not need to be recalibrated by the laboratory

Answer 31

Class A pipets

Question 32

looks like a wide, long, graduated pipet with a stopcock at one end

Answer 32

buret

Question 33

are sometimes used for transfer of small volumes

Answer 33

syringes

Question 34

the compound and the associated water

Answer 34

hydrate

Question 35

drying agents

Answer 35

dessicants

Question 36

closed and sealed containers

Answer 36

dessicators

Question 37

3 types of balances

Answer 37

precision, analytic, microbalances

Question 38

standards used prior to 1993

Answer 38

Class S

Question 39

provide the greatest precision and should be used for calibrating high-precision analytic balances in the weight range

Answer 39

Class 1 weights

Question 40

is process in which centrifugal force is used to separate solid matter from a liquid suspension

Answer 40

centrifugation