Second Week Test- Flashcards
Which Vacutainer tubes is routinely used for hematology testing?
Lavender- EDTA
What tube has no anticoagulants found in it?
Red
Which type of tube should be used to collect blood specimens during a glucose tolerance test?
Gray
What anticoagulant prevents platelets from clumping and preserves the appearance of blood cells for microscopic preparation?
EDTA
The slant at the open end of a needle used for venipuncture is called the-
Bevel
Most commonly size needle for adult venipuncture is
20-21 gauge
20- on the test
Most commonly size needle used by a blood bank for donation is
16 gauge
Most commonly size needle used for infant/elderly is
23 gauge
Plasma is present in which venipuncture tube?
PST Green/Gray tube
What is a tourniquet used for?
- prevent venous flow out of the site.
- make the veins more prominent
How long should a tourniquet be tied on the arm for?
1 Minute
What part of the venipuncture needle that fits into the syringe or Vacutainer is adapter is?
Hub
When should a syringe be used instead of a Vacutainer?
When a person has fragile veins
What is Hemoconcentration?
Leaving a tourniquet tied on a pt’s arm for longer than the recommended time.
Used before a routine venipuncture or capillary puncture, used to clean the site.
Antiseptic (Isopropyl alcohol)