1.2.1 Blood Collection and Specimen Consideration Flashcards
Most common site of Puncture for venipuncture?
Media cubital vein
Order of preference of veins when it comes to venipuncture?
Media cubital, Cephalic, Basilic
Site of puncture for Venipuncture (In general)
Antecubital fossa
If there are no palpable vein in venipuncture, The following are alternative site except?
Dorsal part of:
- hand
- Wrist
- Ankle
Foot veins
Radial veins
Radial
What is the Distance of the tourniquet application to the injection site?
a. 3-4 inch above the site
b. 3-4 cm above the site
c. 3-4 inch below the site
d. 3-4 cm below the site
a
How long should the tourniquet be left during venipunture?
Less than 1 min
The pressure of BP cuff if there is no tourniquet?
40-60 mmhg
What is the antiseptic for routine venipuncture?
a. 70% isopropyl alcohol
b. Benzalkonium chloride or Zephirana
c. Double antiseptic (70% alcohol, and chlorhexidine/Iodophor/Betadine)
a
What is the antiseptic for Culture venipuncture?
a. 70% isopropyl alcohol
b. Benzalkonium chloride or Zephirana
c. Double antiseptic (70% alcohol, and chlorhexidine/Iodophor/Betadine)
c
What is the antiseptic for Ethanol assay in venipuncture?
a. 70% isopropyl alcohol
b. Benzalkonium chloride or Zephirana
c. Double antiseptic (70% alcohol, and chlorhexidine/Iodophor/Betadine)
b
NO ETHANOL OR ALCOHOL SHOULD BE USED
Most commonly used reagent in Ethanol assay?
Benzalkonium
When performing antisepsis, what is the recommended motion?
a. Circular motion with friction
b. Circular motion w/o friction
c. Back and forth w/o friction
d. Back and forth with friction
d
What is the recommended angle for venipuncture?
15-30 degrees
For infants and children, hand veins, and difficult-draw situations
a. Needle and syringe
b. Butterfly/Winged Infusion set
d. Evacuated Tube system
b
What is the major safety issue associated with needle and syringe?
Needle stick injuries
Not recommended by CLSI due to SAFETY and SPECIMEN QUALITY issues
a. Needle and syringe
b. Butterfly/Winged Infusion set
d. Evacuated Tube system
a
Consists of double-headed needle, adaptor, color-coded evacuated tube
a. Needle and syringe
b. Butterfly/Winged Infusion set
d. Evacuated Tube system
d
What are the specimen quality issues include:
- Hemolysis - Due to Small gauge number on adults
- Aerosolization - Due to open cap
T or F
F
Large gauge number
Gauge number is direcly proportional to bore diameter
T or F
F
Inversely
Color code of Gauge 20
Yellow
Color code of Gauge 21
Green
Color code of Gauge 22
Black
Color code of Gauge 23
Blue
Color code of Gauge 25
Orange
