Rmt Flashcards
Depth of skin puncture for adults
2.0 to 2.5mm
How long will you warm the puncture site to increase the blood flow?
3-5 mins.
Microcollection tube that needs to be filled first if multiple test/s required
Edta micro tube
What is the reason/s why we should discard discard the first blood when doing skin puncture?
A. To discard excess tissue fluid
B. To discard dead epidermal cells
C. Facilitate free flow of blood
D. NOTA
E. A, b and c
E
Most common skin antiseptic
A. Germicidal soap
B. Hand sanitizer
C. 70% isopropyl alcohol
D. AOTA
C
Length of time for tourniquet application
A. 1min.
B. 1-3 mins
C. 2 mins
D. 30 secs
A
Most common needle gauge used in adults when doing venipuncture
A. 23
B.21
C. 19
D. A and B
B
Most important practice to break the chain of infections
Hand washing
Used for routine hema determination
A. Heparin
B. Edta
C. Sps
D. Sodium citrate
B
Prevents platelet aggregation; preferred anticoagulant for platelet counting
A. Heparin
B. Edta
C. SPS
D. NOTA
B
Most common heparin that causes the least interference and most widely used anticoagulant for plasma and whole blood chemistry test
A. Sodium heparin
B. Lithium heparin
C. Ammonium heparin
D. All of the choices
B
Ratio between blood to anticoagulant
9:1
Ration between anticoagulant to blood
1:9
Anticoagulant that causes cellular clumping, pseudoleukocytosis and pseudothrombocytopenia
A. Lavender top
B. Green top
C. Blue top
D. Black top
B
Result/s of excessive inversion in sodium citrate
A. Introduce to excess interstitial fluid
B. Shortened clotting time
C. Prolonged clotting time
D. Cellular clumping
B