
CLINICAL CHEMISTRY 1 - PART 1 (Specimen Collection & Consideration + Laboratory Safety & Regulation)
Quiz by Joey Doctora
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- Q1
:::Specimen Collection & Consideration:::
Site for venipuncture that needs permission before extraction?
Leg vein
Wrist vein
Brachial vein
Hand vein
30s - Q2
::::Specimen Collection & Consideration::::
Most common site for venipuncture
Basilic vein
Antecubital fossa
Median cubital vein
Cephalic vein
30s - Q3
::::Specimen Collection & Consideration::::
The following are characteristics of plasma, except?
Contains fibrinogen
Normally clear to slightly hazy, pale yellow fluid
Separated from the cells when blood in an anticoagulant tube is centrifuged
Increased levels of potassium
30s - Q4
::::Specimen Collection & Consideration::::
All are characteristic of ETS, except?
it is the recommended method for infants and children
It lessens the risk of specimen contamination
Blood is collected directly from the vein into a tube
It minimizes exposure to the blood
30s - Q5
::::Specimen Collection & Consideration::::
Physical method for preparing Protein Free Filtrate
Ultracentrifugation
Folin Wu
Vans Slyke
5% TCA
30s - Q6
::::Specimen Collection & Consideration::::
Protein Free Filtrate (PFF), is a biological sample without proteins. Why do we need to remove proteins?
To prevent direct colorimetric interference by zwitterions
To prevent cross-reacting with plasma lipids
To prevent agglutination with plasma lipids
To prevent protein coagulation with the sample
30s - Q7
::::Specimen Collection & Consideration::::
Sample which contains both cells and plasma
Protein Free Filtrate
Plasma
Whole blood
Serum
30s - Q8
::::Specimen Collection & Consideration::::
Tourniquet, will cause
Restricts venous and arterial flow
Constriction of veins
Continuance of blood flow
Dilation of veins
30s - Q9
::::Specimen Collection & Consideration::::
Standard needle gauge for routine venipuncture
21 gauge
20 gauge
22 gauge
23 gauge
30s - Q10
::::Specimen Collection & Consideration::::
Most common needle gauge for phlebotomy
23 gauge
22 gauge
20 gauge
21 gauge
30s - Q11
::::Specimen Collection & Consideration::::
Tourniquet must not be left on longer than
30 seconds
60 seconds
90 seconds
30 minutes
30s - Q12
::::Specimen Collection & Consideration::::
Mechanism of action: K3EDTA
Clot activator
Chelates calcium
Aids bacterial recovery
Inhibits thrombin
30s - Q13
::::Specimen Collection & Consideration::::
Mechanism of action: Sodium fluoride
Inhibits thrombin
Antiglycolytic agent
Aids bacterial recovery
Chelates calcium
30s - Q14
::::Specimen Collection & Consideration::::
Stopper color: ACD
Black
Yellow
Pink
White
30s - Q15
::::Specimen Collection & Consideration::::
Stopper color: Royal blue
Bacteriology
Glucose determination
Hematology
Toxicology
30s