1.2.1 Blood Collection and Specimen Consideration

Question 1

Most common site of Puncture for venipuncture?

Answer 1

Media cubital vein

Question 2

Order of preference of veins when it comes to venipuncture?

Answer 2

Media cubital, Cephalic, Basilic

Question 3

Site of puncture for Venipuncture (In general)

Answer 3

Antecubital fossa

Question 4

If there are no palpable vein in venipuncture, The following are alternative site except?

Dorsal part of:
- hand
- Wrist
- Ankle

Foot veins

Radial veins

Answer 4

Radial

Question 5

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

Answer 5

a

Question 6

How long should the tourniquet be left during venipunture?

Answer 6

Less than 1 min

Question 7

The pressure of BP cuff if there is no tourniquet?

Answer 7

40-60 mmhg

Question 8

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)

Answer 8

a

Question 9

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)

Answer 9

c

Question 10

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)

Answer 10

b

NO ETHANOL OR ALCOHOL SHOULD BE USED

Question 11

Most commonly used reagent in Ethanol assay?

Answer 11

Benzalkonium

Question 12

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

Answer 12

d

Question 13

What is the recommended angle for venipuncture?

Answer 13

15-30 degrees

Question 14

For infants and children, hand veins, and difficult-draw situations

a. Needle and syringe
b. Butterfly/Winged Infusion set
d. Evacuated Tube system

Answer 14

b

Question 15

What is the major safety issue associated with needle and syringe?

Answer 15

Needle stick injuries

Question 16

Not recommended by CLSI due to SAFETY and SPECIMEN QUALITY issues

a. Needle and syringe
b. Butterfly/Winged Infusion set
d. Evacuated Tube system

Answer 16

a

Question 17

Consists of double-headed needle, adaptor, color-coded evacuated tube

a. Needle and syringe
b. Butterfly/Winged Infusion set
d. Evacuated Tube system

Answer 17

d

Question 18

What are the specimen quality issues include:

• Hemolysis - Due to Small gauge number on adults
• Aerosolization - Due to open cap

T or F

Answer 18

F

Large gauge number

Question 19

Gauge number is direcly proportional to bore diameter

T or F

Answer 19

F

Inversely

Question 20

Color code of Gauge 20

Answer 20

Yellow

Question 21

Color code of Gauge 21

Answer 21

Green

Question 22

Color code of Gauge 22

Answer 22

Black

Question 23

Color code of Gauge 23

Answer 23

Blue

Question 24

Color code of Gauge 25

Answer 24

Orange

Question 25

Color code of butterfly needle can be seen in the ?

Answer 25

Wings

Question 26

What is the standard needle gauge for Adults?

Answer 26

21

Question 27

What is the standard needle Gauge for Butterfly needle?

Answer 27

23

Question 28

What is the Recommended Needle length for ETS and Syringe

a. 1 - 1.5 inch
b. 1 - 1.5 cm
c. 0.5 - 0.75 inch
d. 0.5 - 0.75 cm

Answer 28

a

Question 29

What needle length provides better control?

Answer 29

1 inch

Question 30

Needle length for Buttergy needle?

a. 1 - 1.5 inch
b. 1 - 1.5 cm
c. 0.5 - 0.75 inch
d. 0.5 - 0.75 cm

Answer 30

c