BC2

Question 2

Most Common Site for Venipuncture

Answer 2

Antecubital Fossa (Median, Cephalic, Basilic)

Question 3

Cleansing The Site Motion

Answer 3

Friction of Back & Forth

Question 4

Angle Between Skin & Needle

Answer 4

<30 Deg

Question 5

Length of Time of torniquet Application

Answer 5

< 1 Minute/60 Secs

Question 6

Cause of Spx Hemolysis

Answer 6

Prolonged torniquet
Moisture/Contamination in Blood Tube
Needles with too Small Bores
Excessive Agitation
Frothing (Bubbles) in Sample

Question 7

Effects of Prolonged torniquet Application (Hhs)

Answer 7

Hemolysis
Hemoconcentration
Shortened Coagulation Time

Question 8

Condition Which Venous Flow is Slowed

Answer 8

Stasis

Question 9

Local Accumulation of FVIII & VWF Results in

Answer 9

False Shortening of Coagulation Test

Question 10

Distance of torniquet

Answer 10

3-4 inches or 7.5 to 10 cm

Question 11

Most Common Needle Size for Adult Venipuncture

Answer 11

21 G ; 1 inch Length

Question 12

Phlebotomist Should Never Puncture More Than

Answer 12

Twice

Question 13

When to Replace Sharp Container

Answer 13

No More Than Three Quarters Full

Question 14

Most Common Cause of A Needle Puncture

Answer 14

Improper Disposal

Question 15

Usual EDTA Used Component

Answer 15

Dipotassium (K2)

Question 16

CBC is Also Called

Answer 16

Hemogram

Question 17

Optimal Anticoagulant Conc for Hema

Answer 17

1.5 Mg/mL of Blood

Question 18

Blood Spx for CBC Must Be Analyzed within

Answer 18

6 hours of Collection (Room Temperature Storage); 24 hours if Ref Temperature

Question 19

Blood Smear Should Be Made within

Answer 19

3 hours

Question 20

EDTA Prevents Platelet

Answer 20

Aggregation

Question 21

EDTA Causes Swelling of Platelets That Approximately increases for

Answer 21

20% During The First Hour

Question 22

Excessive EDTA Causes

Answer 22

Decreased Hct, ESR, Degenerate Changes in WBC, increased MCHC

Question 23

RBC Parameters

Answer 23

RBC Count, Hgb, Hct, RBC indices, RDW, Retic Count

Question 24

WBC Parameters

Answer 24

WBC Count, Neut, Lymph, Mono, Eo, Baso (Relative & Absolute Count)

Question 25

Platelet Parameters

Answer 25

Platelet Count; Mean Platelet Volume

Question 26

Formation of Ring-Shaped Molecular Complex in Which Metal Ions is Covalently Bound

Answer 26

Chelation

Question 27

Process in Which A Current Test Result is Compared with The Result of The Same Test From The Previous Specimen From The Same Patient

Answer 27

Delta Check

Question 28

Delta Check Method of QC

Answer 28

Utilizes The Patient’s Own Data to Monitor Population Values

Question 29

Test Being Ordered Automatically Based On The Results of Prior Tests or Preset Parameters

Answer 29

Reflex Test

Question 30

Any Numerical Value That Depicts An Entire Population

Answer 30

Parameter

Question 31

Heparin Anticoagulant is Used for

Answer 31

Flow Cytometry, Plasma Chem, Blood Gas Studies

Question 32

Optimal Anticoagulant Conc for Heparin

Answer 32

15-20 Units/mL Blood

Question 33

Actions of Heparin

Answer 33

Binds Anti-Thrombin/inhibits Thrombin & Factor Xa

Question 34

Heparin That Causes Least Interference in Chemistry Testing

Answer 34

Lithium Heparin

Question 35

Heparin Causes Cellular Clumping (Especially of Platelets), Which Leads to

Answer 35

Pseudoleukocytosis (Falsely High WBC Count) & Pseudothrombocytopenia (Falsely Low Platelet Count)

Question 36

Heparin Causes in Blood Smears

Answer 36

Bluish Coloration of The Background On Blood Smears Stained with A Romanowsky Stain Because of Its pH

Question 37

Critical Ratio for 3.2% Sodium Citrate Between Anticoagulation & Blood

Answer 37

1:9

Question 38

Forceful Mixing or An Excessive Number of Inversions Can Do What in Sodium Citrate

Answer 38

Activate Platelets & Shorten Clotting Times

Question 39

Factors That Affect Coagulation Results; Shortened Coagulation Result (Heparin)

Answer 39

Hemolysis, Excessive Agitation, Prolonged torniquet Application, Excessive Needle Manipulation, Platelet Contamination

Question 40

Prolonged Coagulation is Due to

Answer 40

Presence of Clots, increased Acidity Concentration

Question 41

Invert Each Tube Containing Additive

Answer 41

Immediately

Question 42

Only Blood Culture Tubes, Glass Nonadditive Serum Tubes, or Plastic Serum Tubes without A Clot Activator May Be Collected Before The

Answer 42

Coagulation Tube

Question 43

Black Top Anticoagulant for Westergren

Answer 43

3.8% Na Citrate (Blood 4:1)

Question 44

Pink top is Used for What Section

Answer 44

Blood Bank Tests (WB, Hema Determination)

Question 45

Light Blue May Contain Either

Answer 45

3.2% Na Citrate or CTAD (Citrate, Theophylline, Adenosine, Dipyridamole)

Question 46

CTAD Uses

Answer 46

Coagulation Test, Platelet Function Assay (PF4 & B-Thromboglobulin Assays)