Clinical Chemistry

Question 1

Clin Chem benches

Answer 1

® Sample Preparation
® Machine
® Printing

Question 2

When testing for TCO2 it is not ideal if the tube is not filled due
to the possible introduction of air which can falsely __ the
resul

Answer 2

DECREASE

Question 3

Yellow top has ___ which Red top tubes donet have

Answer 3

gel separator

Question 4

What type of test tube in Opti Lion Machine (for Ionized Calcium);

What type of tube for HbA1C tests where specimen are placed in Capillarys 2 Flex Piercing machine

Answer 4

GreenTop

Purple Top

Question 5

Serum routine tests and special tests done on

Answer 5

Vitros, 5.1 and 4600

Question 6

Ionized Calcium (Ca2+) is

Answer 6

Free Ca2+ in the blood (unbound)

Question 7

To maintain pH, ionized Ca should be ___, stopping any reaction from occurring

Answer 7

iced

Question 8

Hemolysis and presence of other anti-coagulants (except

citrate) can falsely ____ K+ levels

Answer 8

increase

Question 9

Result greater than 7 is considered critical for this test

Answer 9

Potassium

Question 10

T/F Hemolysis affects results for HbA1c

Answer 10

False, since it is found inside the cell, it wont affect

Question 11

Protein levels are elevated in the ___ so dapat MORNING

Answer 11

afternoon

Question 12

best

test for detecting hepatitis

Answer 12

ALT

Question 13

released into the blood when liver or muscle

cells are injured

Answer 13

AST

Question 14

Total Bilirubin
• An ___ pigment produced by a waste product primarily
produced by the normal breakdown of heme;

Total Bilirubin diagnose ____

Answer 14

orange-yellow;

Hemolytic anemia

Question 15

What type of Bilirubin is eliminated in the stool and is formed in the liver when sugar is attached

Answer 15

Conjugated

Question 16

Total Protein measures combined amount of two major classes of
protein:

Answer 16

Albumin (60%) for keeping fluid from leaking and Globulin (35%) enzymes antibodies etc

Question 17

Which is not a cause of Low level of Total Protein

Liver & Kidney disorders
Malnutrition
Dehydration
Chronic inflammation

Answer 17

Dehydration AND Chronic Inflammation

Question 18

Elevated levels of this is most commonly caused by liver disease or bone disorders

Answer 18

ALP

Question 19

• An enzyme highly concentrated in the liver but is found throughout the body
• Checked usually for a CHRONIC ALCOHOLISM

Answer 19

Gamma-glutamyl transferase (GGT)

Question 20

is a non-specific marker for the presence of tissue damage

Answer 20

LD blood level

Question 21

Normal BUN:Creatinine ratio

Answer 21

1:20

Question 22

This analyte differentiates the type of AZOTEMIA (pre-renal, post-renal,
and renal)

Answer 22

Creatinine

Question 23

Analytes of Cardiac function

Answer 23

AST, Troponin (Stat test, preferred since longer plateau), CKMB (isonezyme of CK)

Question 24

Capillarys 2 Flex Piercing

Principle, Test, Reagents

Answer 24

Principle: Capillary Electrophoresis;

For HbA1c

Reagents:
® Diluent (Distilled H2O) –
® Hemolyzing Solution
® Two (2) buffers –

Question 25

Minicap

Answer 25

Principle: Capillary Electrophoresis;

Same halos with CFP but done in cases with high concentration of other Hb variants

Question 26

OptiLion electrolyte analyze is used for

Answer 26

Ionized Ca2+

Question 27

VITROS 4600 CHEMISTRY SYSTEM

Answer 27

Dry Chemistry Principle: Reflectance Spectrophotometry,
Colorimetry and Potentiometry
• Electrolytes Principle: Potentiometry

Question 28

Hemolysis Index >___ can indicate hemolysis

Answer 28

51;

Note depende sa lab technician to reject

Question 29

Dead volume;

Answer 29

30 uL

Question 30

VITROS ECi

Answer 30

Principle
Enhanced Chemiluminescence;

For Ferritin and Troponin I