Phleb

Question 1

_____: collection of minute sample of blood through capillary puncture
1. infants up to 1yr
- two sites
- depth of puncture
2. adults
- two sites
- puncture must be _____, _____ to fingerprint
- depth of puncture

Answer 1

MICROSAMPLING
1. infants up to 1yr
- plantar surface of big toe; median/lateral side of heel
- 2.4mm
2. adults
- middle/ring finger; margin of earlobe
- slightly off center; perpendicular
- 3.1mm

Question 2

_____: collection of a greater volume of blood from the veins or arteries
1. arterial
- for _____ or _____
- common sites (3)

Answer 2

MACROSAMPLING
1. arterial
- blood gas analysis or blood pH determination
- radial artery, brachial artery, femoral artery

Question 3

venipuncture sites
1. infants up to 18 months
- most:
- others (2)
2. 18months to 3 years
- most
- others (3)
3. 3 years to adulthood
- most
- others (2)

Answer 3

1. infants up to 18 months
   - External jugular vein
   - Superior longitudinal sinus; Temporal vein
2. 18months to 3 years
   - Popliteal vein
   - Femoral vein; Long saphenous vein; Ankle vein
3. 3 years to adulthood
   - Veins on the antecubital fossa
   - Wrist vein; Veins on the dorsal of hands & feet

Question 4

METHODS OF PERFORMING VENIPUNCTURE:
1. use of syringes
- hub of needle is color ceded corresponding to its ____
- lower gauge = ____ needle
2. use of ETS
- ETS inclusion (3)
- ets tubes are equipped with ___ (color coded accordance to ____)
- ____ can be carried out

Answer 4

1. OPEN SYSTEM
   - Gauge
   - Bigger bore
2. CLOSED SYSTEM
   - evacuated tube, two-way needle and adapter
   - hemogard (additive)
   - Multiple sampling