GEn Lab Equipments

Question 1

the purity of these chemicals is established by

Answer 1

American chemical society (ACS)

Question 2

• important for qualitative and quantitative analysis because it’s very pure that’s why it is essential for accuracy
• suitable for use in most analytic laboratory procedures

Answer 2

Analytic Reagent Grade (AR)

Question 3

have additional purification steps For use in standardization such as chromatography, immunoassays, molecular diagnostics (e. g spectograde, nanograde, HPLC)

Answer 3

Ultrapure

Question 4

Ultrapure is used for

Answer 4

chromatography, atomic absorption, or immunoassays

Question 5

Ultrapure have designations of

Answer 5

High performance liquid chromatography (HPLC) or chromatographic

Question 6

-impurity limitations are not stated, prep is not uniform
-it is not recommended that clinical laboratories use these chemicals for reagent preparation unless further purification or reagent blank

Answer 6

chemically pure/pure grade (CP)

Question 7

it is not recommended that clinical laboratories use chemically pure or pure grade for reagent preparation unless

Answer 7

further purification or reagent blank

Question 8

Used to manufacture drugs

Answer 8

National Formulary

Question 9

used primarily in manufacturing and should never be used in the clinical laboratory

Answer 9

Technical Grade/Commercial Grade

Question 10

Most frequently used reagent

Answer 10

Water

Question 11

• Has the maximum water purity for accuracy and precision
  And is used for method that requires minimum interference

Answer 11

Type 1 reagent water

Question 12

Type I reagent is used for

Answer 12

Flame photometry, atomic absorption, very sensitive of method of examination

Question 13

acceptable for preparation of reagents and quality control
materials

Answer 13

Type 2 Reagent Water

Question 14

Type 2 reagent water is used in

Answer 14

Hematology, microbiology, immunology, and chemistry

Question 15

Least in terms of purity in the water, it can also be used for method that requires minimum interference

Answer 15

Type 3 reagent water

Question 16

Type 3 can be used for method that requires minimum interference and is utilized for

Answer 16

Washing glassware

Question 17

has been purified to remove almost all organic materials, using a technique of distillation

Answer 17

Distilled water

Question 18

-some or all ions removed, neither pure nor sterile
-purified from previously treated water such as prefiltered or distilled water

Answer 18

Deionized water

Question 19

Also called standard for your calibration material

Answer 19

Reference material

Question 20

Reference material Must meet requirements of

Answer 20

CLSI

Question 21

Highly purified chemical with a substance of exact known concentration

Answer 21

Primary standard

Question 22

Lower purity, therefore its concentration is determined by comparing it with a primary standard

Answer 22

Secondary standard

Question 23

The presence of solute is relatively little or small

Answer 23

Dilute solution

Question 24

Large quantity of solute

Answer 24

Concentrated solution

Question 25

There is an excess of undissolved solute particles

Answer 25

Saturated solution

Question 26

Most common glassware

Answer 26

Borosilicate

Question 27

Borosilicate has a high degree of - and have low - content

Answer 27

high degree of thermal resistance and have low alkali content

Question 28

more resistant to chemical corrosion

Answer 28

Borosilicate

Question 29

Borosilicate commercial brands

Answer 29

Pyrex and kimax

Question 30

Alkali resistant and are 6 times stronger than borosilicate

Answer 30

alumino silicate

Question 31

Alumni silicate is strengthened - rather than thermally

Answer 31

Chemically

Question 32

Resistant clouding and scratching better

Answer 32

alumino silicate

Question 33

Alumni silicate popular brand

Answer 33

corex

Question 34

Types of glass

Answer 34

High silica, vycor, low actinic, flint

Question 35

Acid and alkali resistant

Answer 35

Vycor

Question 36

Amber colored

Answer 36

Low actinic

Question 37

For disposable material

Answer 37

Flint

Question 38

Satisfy NIST specifications (National Institute of Standards and Technology )

Answer 38

Class A

Question 39

· high resistance to corrosion and breakage

Answer 39

Plasticware

Question 40

cheaper and disposable

Answer 40

Plasticware

Question 41

most of these laboratory vessels are "to contain"meaning they will hold or contain specific volume or specific type of Fluid

Answer 41

pipet

Question 42

it is filled to a particular graduation (It contains that volume)not as accurate

Answer 42

TC pipet

Question 43

It will deliver the specified amount

Answer 43

TD pipet

Question 44

Drainage characteristics

Answer 44

Blowout, self draining

Question 45

measuring or graduated pipet, they are usually designed to contain

Answer 45

Serologic Mohr Bacteriologic Ball, Kolmer, or Kahn Micropipet

Question 46

Transfer - to deliver pipet

Answer 46

volumetric Ostwald-Folin Pasteur -pipets Automatic macropipets

Question 47

Serologic pipet

Answer 47

Graduation up to bottom, blowout

Question 48

Mohr pipet

Answer 48

Self draining, pipette used for between measurements

Question 49

Used for non- critical measurements, mixing solutions, and holding liquids

Answer 49

Beakers

Question 50

Designed to hold a variety of volumes

Answer 50

Flasks ( erlenmeyer, Florence, volumetric)

Question 51

Calibrated to hold one exact volume of liquid

Answer 51

Volumetric flask

Question 52

Holds liquid samples and serve as containers for test reaction

Answer 52

Test tubes

Question 53

For non- critical volume measurements

Answer 53

Graduated cylinder

Question 54

Long tubes of uniform bore with graduation along the length for measuring titration volume

Answer 54

burettes

Question 55

Are calibrated for the volume delivered with no attempt to blow out the small amount left in the tip

Answer 55

TD

Question 56

Used for accurate measurement of non viscous solution, designed to deliver a fixed volume of liquid with a bulb midway between mouth and tip

Answer 56

Volumetric or transfer pipet

Question 57

Graduation marks are down to the tip

Answer 57

Serological

Question 58

Calibrated between two marks

Answer 58

mohr

Question 59

Similar to volumetric pipes except for a narrow bore tubing and bulb near the tip, usually calibrated to blow out and are used to measure viscous solutions

Answer 59

Ostwald Colin pipet

Question 60

Most pipettes are calibrated at - centigrade for accuracy and standardization

Answer 60

20 degrees centigrade

Question 61

limitations are based only on the criterion of not being injurious to individuals

Answer 61

United States Pharmacopeia