01 BASIC PRINCIPLES AND PRACTICES

Question 1

This provides uniformity and consistency

Answer 1

SI units

Question 2

Subclassifications of SI system

Answer 2

Basic units
Derived units
Selected accepted non-SI units

Question 3

Give the SI unit:

Length

Answer 3

meter

Question 4

Give the SI unit:

Mass

Answer 4

Kilogram

Question 5

Give the SI unit:

Time

Answer 5

Second

Question 6

Give the SI unit:

Electric current

Answer 6

Ampere

Question 7

Give the SI unit:

Thermodynamic temperature

Answer 7

Kelvin

Question 8

Give the SI unit:

Amount of substance

Answer 8

Mole

Question 9

Give the SI unit:

Luminous intensity

Answer 9

Candela

Question 10

Give the selected derived unit:

Frequency

Answer 10

Hertz

Question 11

Give the selected derived unit:

Force

Answer 11

Newton

Question 12

Give the selected derived unit:

Celsius temperature

Answer 12

Degree Celsius

Question 13

Give the selected derived unit:

Catalytic activity

Answer 13

Katal

Question 14

Give the selected non-SI unit:

Time

Answer 14

Minute, Hour, Day

Question 15

Give the selected non-SI unit:

Volume

Answer 15

Liter

Question 16

When is amniocentesis done?

Answer 16

2nd trimester

Question 17

This is examined to determine the lung maturity of the fetus

Answer 17

Amniotic fluid

Question 18

L:S ratio is used for which bodily fluid?

Answer 18

Amniotic fluid

Question 19

These (2) are measured to determine the lung maturity of a fetus, which are important lung surfactants

Answer 19

Lectin
Sphingomyelin

Question 20

The normal L:S ratio

Answer 20

> /= 2

Question 21

Type of blood specimen:

Plasma and cellular components such as RBC, WBC, and platelets are present

Answer 21

Whole blood

Question 22

Type of blood specimen:

With anticoagulant, requires immediate mixing following blood collection

Answer 22

Whole blood

Question 23

Type of blood specimen:

Clear yellow supernatant on top upon settling of whole blood

Answer 23

Plasma

Question 24

Type of blood specimen:

Obtained from a tube without anticoagulant

Answer 24

Serum

Question 25

Which is clearer, plasma or serum?

Answer 25

Serum

Question 26

T/F: the blood sample for serum does not require clotting before centrifugation, since the centrifugation will be able to separate its serum

Answer 26

F !

Question 27

Settings for centrifugation of blood sample

Answer 27

1000-2000 g for 10 minutes

Question 28

How much time is needed to clot a blood sample? (with and without clot activator)

Answer 28

1 hour (without) 30 minutes (with)

Question 29

How much time is needed to clot a blood sample with thrombin?

Answer 29

5 minutes

Question 30

In what test is gel activator discouraged due to its false absorption?

Answer 30

Therapeutic drug monitoring (absorbs drugs)

Question 31

How much time is needed for the IV to be turned off before venipuncture on the site?

Answer 31

2 minutes

Question 32

T/F: collection above the IV site is allowed

Answer 32

F (should be below)

Question 33

This specific anticoagulant is used for lactose testing, glucose, and ethanol testing

Answer 33

Potassium oxalate (in gray tube)

Question 34

This is the anticoagulant used for anticoagulant therapy and synovial fluid crystal analysis

Answer 34

Sodium heparin

Question 35

This anticoagulant inhibits DNA polymerases

Answer 35

Heparin

Question 36

This tube is used for lead testing

Answer 36

Tan colored

Question 37

This anticoagulant causes blue background in wright's staining

Answer 37

Heparin

Question 38

This anticoagulant distorts cell morphology

Answer 38

Oxalate & Fluoride

Question 39

This anticoagulant preserves labile coagulation factors

Answer 39

Citrate

Question 40

This anticoagulant stimulates acid phosphatase

Answer 40

Citrate

Question 41

Analytes increased with the use of tourniquet

Answer 41

Potassium, Albumin, Lactase, Ammonia

Question 42

Alternative disinfectant for alcohol during alcohol testing

Answer 42

Benzalkonium chloride

Question 43

Traces of alcohol causes what effect to the blood collected?

Answer 43

Hemolysis

Question 44

T/F: rimming/ringing is done for all blood samples to ensure that centrifugation will have its optimal effect

Answer 44

F (serum samples only)

Question 45

Rapid swelling at or near the venipuncture site due to blood leaking into the tissues

Answer 45

Hematoma

Question 46

Anemia as a result of treatment

Answer 46

Iatrogenic anemia

Question 47

The processing of a sample should be done within __ hours

Answer 47

4

Question 48

The refrigeration setting for samples should be at __ for __ hours

Answer 48

4C 8 hours

Question 49

The freezing setting for samples should be at __ for longer periods, if later testing is required

Answer 49

-20C