Clinical Chemistry

Question 1

What sample type of used majority of the time in chemistry

Answer 1

Serum or plasma

Question 2

What protein is found in plasma but not serum

Answer 2

Fibrinogen

Question 3

Inert silicone gel is used as a barrier and what to type?

Answer 3

Separator tubes

Question 4

What is the silicone separating

Answer 4

It is separating serum & plasma

Question 5

True or false plasma separator tubes must be allowed to clock for 10 to 15 minutes before centrifugation

Answer 5

False

Question 6

How long should a sample contain with serum separator to be allowed to clot

Answer 6

10-15 minutes

Question 7

What are the centrifugation requirements for chemistry samples collected in an SST

Answer 7

3500 RPM at 5 to 10 minutes

Question 8

How soon after collections of chemistry analysis ideally be completed

Answer 8

Within an hour

Question 9

True or false the lower the temperature of perspiration the greater the stability of the chemical constituents

Answer 9

True

Question 10

In regards to chemistry samples at what temperature is bacterial growth inhibited

Answer 10

4°C

Question 11

In regards to chemistry samples at what temperature is bacterial growth completely stop

Answer 11

-5°C

Question 12

At what temperature must samples be for chemistry

Answer 12

Room temp

Question 13

Hemolyzed specimen

Answer 13

Serum appears clear read indicates red blood cells have ruptured

Question 14

Icteric specimen

Answer 14

Serum is brownish yellow or vivid yellow indicates hepatitis or early liver diseases

Question 15

Lipemic specimen

Answer 15

Serum is milky white color indicate the presence of lipids

Question 16

Hemolysis causes false elevations to what chemistry analyses

Answer 16

Potassium acid phosphate lactate dehydrogenase and Aspirate aminotransferase

Question 17

True or false actions of drugs can alter the concentration of substances being measured in chemistry drugs can also alter the chemical analysis directly

Answer 17

True

Question 18

Where is the Preferred preservative for glucose testing

Answer 18

Sodium fluoride

Question 19

What special handling requirement is needed for Billy Rubin analysis

Answer 19

Shields from light test immediately

Question 20

What chemistry analytes are affected by moderate exercise

Answer 20

Glucose creatinine and the activity of skeletal enzymes AST CK & LD

Question 21

Physical and chemical properties of what can directly all to the chemical analysis

Answer 21

Drugs

Question 22

What type of interference can happen when there’s a hemolyzed enteric or lipemic specimen

Answer 22

Interference with photometric readings

Question 23

True or false cortisol will decrease 50% from 800 to 16:00

Answer 23

False

Question 24

What kind of specimen requires to be mix well prior to testing

Answer 24

Urine

Question 25

What should shipping paperwork include

Answer 25

All specimen being shipped

Question 26

What needs to be between the primary and secondary containers when shipping a package

Answer 26

Absorbent material

Question 27

What should be reviewed from the receiving lab to ensure proper packing materials are used

Answer 27

Review O I

Question 28

What does IATA

Answer 28

International air transportation association

Question 29

Who is required to be trying to ship packages and how often do they need to be trained for

Answer 29

All lab personnel every 24 months

Question 30

Explain the different types of reagents and standards

Answer 30

Type 1 used in critical analysis Type 2 minimum grade of water purity Type 3 sufficient for washing dishes

Question 31

What is recommended to be checked with new receipts a reagent lots

Answer 31

Compatibility with current procedure is an expiration date

Question 32

True or false controls can be used to troubleshoot your quality controls fall out of range or when reagent lot number changes

Answer 32

False

Question 33

What actions are taken when performing correct of actions

Answer 33

Repeat controls once makes new controls troubleshoot analyzers Call customer support do not report patient results

Question 34

What are

Answer 34

Homogeneous Mixtures of two or more substances

Question 35

Normal solution

Answer 35

The number of Graham equivalent weights per 1000 mL of solution

Question 36

Molar solution

Answer 36

The amount of solute in each 100 mL of solution

Question 37

Percent solution

Answer 37

The number oh grandma like your weights per 1000 mL a solution

Question 38

What is used to determine the concentration of an unknown solution

Answer 38

Titration formula

Question 39

When using the titration formula how many factories will be known and how many will be alone

Answer 39

Three or known one is unknown

Question 40

What are the three different classifications of biohazard Material for shipment

Answer 40

Infectious substances Diagnostic substances Biological substances