ACTIVITY 1-9: REVIEW QUIZ

Question 1

Which among the following purified reagents is for gas chromatography, HPLC, fluorometry and trace element analyses?

Answer 1

Ultra-Pure Reagent

Question 2

Which of the following reagents is used as starting material and further purification is required?

Answer 2

Pure Grade

Question 3

This is used for standardization of solutions of unknown concentration and calibration of an analytic method.

Answer 3

Primary standards

Question 4

Which of the following is a type of standard wherein the concentration is determined by analysis of an aliquot of the solution by an acceptable reference range?

Answer 4

Secondary standards

Question 5

In clinical chemistry, NBS stands for

Answer 5

National Bureau of Standards

Question 6

Which of the following gave specifications for reagent grade water?

Answer 6

CAP
CLSI

Question 7

Which of the following is defined as temperature at which glass is heated in order to prevent brittleness?

Answer 7

Annealing point

Question 8

Which of the following properties of glass is dependent on the silicate anion content?

Answer 8

Breakability

Question 9

Which of the following is a type of cuvet that is used for wide range settings such as 300-700 nm or 380-700 nm?

Answer 9

Glass

Question 10

This pipet requires a controlled delivery of the solution between the calibration marks.

Answer 10

Mohr pipet

Question 11

This is a classification of pipets wherein it does not deliver the same volume when the liquid is transferred into a container

Answer 11

To contain pipets

Question 12

What is the most common principle used by automatic pipets?

Answer 12

Solid Positive Displacement

Question 13

Which of the following OSHA Standards requires employers to inform employees about hazardous substances in the workplace and to educate and train them in safe and proper handling?

Answer 13

Hazard Communication Law

Question 14

Which of the following OSHA Standards requires a chemical hygiene plan to minimize personnel exposures to hazardous chemicals?

Answer 14

Laboratory standard

Question 15

This is defined as a mandatory process by which a state grants permission to an individual or organization to engage in a given occupation or business

Answer 15

Licensure

Question 16

This is defined as a voluntary process of external review in which a private agency grants public recognition to an institution that meets certain standards.

Answer 16

Accreditation

Question 17

Which of the following regulatory agencies regulates disposal of toxic chemical and biohazardous wastes?

Answer 17

Environmental Protection Agency

Question 18

Which of the following regulatory agencies regulates employee safety on the workplace?

Answer 18

OSHA

Question 19

Which of the following agency issues standards or guidelines to facilitate international exchange of goods and services?

Answer 19

ISO

Question 20

Which of the following agency issues standards and guidelines for hospitals and laboratories, primarily related to infection control and safe work practices?

Answer 20

CDC

Question 21

All of the following are specimens that are usually not infectious unless visibly bloody EXCEPT

Answer 21

Pus

Question 22

What is the flashpoint of flammables?

Answer 22

<37.8 °C

Question 23

All of the following are reactives EXCEPT

Answer 23

Acetic acid

Question 24

Which of the following hazard categories of chemicals induce genetic mutations?

Answer 24

Mutagens

Question 25

What is the color code for heavy metal wastes?

Answer 25

Yellow with black band

Question 26

Used for urinalysis

Answer 26

Type III

Question 27

For general laboratory testing

Answer 27

Type II

Question 28

Storage time must be kept at a minimum

Answer 28

Type II

Question 29

For electrolyte measurements

Answer 29

Type I

Question 30

Must be used immediately after production

Answer 30

Type I

Question 31

Used for bottles and some disposable laboratory glasswares

Answer 31

Flint glassware

Question 32

soft glassware

Answer 32

Boron-free glassware

Question 33

For photosensitive substances

Answer 33

Low-actinic glassware

Question 34

For high-precision analytical work

Answer 34

High silica glassware

Question 35

Borosilicate glass w/ low alkali content

Answer 35

High Thermal resistant glassware

Question 36

Has high resistance to alkali

Answer 36

Boron-free glassware

Question 37

Has low coefficient of expansion

Answer 37

High Thermal resistant glassware

Question 38

May be used on fires involving live electrical equipment without danger to the operator

Answer 38

Class C

Question 39

Cooking media

Answer 39

Class K

Question 40

Oil and paint

Answer 40

Class B

Question 41

Wood and cloth

Answer 41

Class A

Question 42

Combustible metal and metal alloys

Answer 42

Class D

Question 43

Which among the following is a cause for this?

Answer 43

Expired lamps/photocells

Question 44

This refers to a control value that goes beyond +/- 2SD.

Answer 44

Outlier

Question 45

This refers to 2 consecutive values exceeding +/- 2SD

Answer 45

22S

Question 46

These refers to one control observation exceeding +2SD

Answer 46

12S

Question 47

This refers to one value exceeds +2SD and the other value exceeds-2SD.

Answer 47

R4S

Question 48

Which among the following are causes of an outlier

Answer 48

contamination of a single specimen

Question 49

Which among the following is a cause for a downward trend in the LeveyJennings Chart?

Answer 49

Standards are too concentrated

Question 50

This refers to the liquid portion of an anticoagulated blood.

Answer 50

plasma