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When is a syringe method preferred over the evacuated tube method?
Wiki User
∙ 11y ago
when a patient has never blood drawn
Syringe allows more control over the amount of pressure exerted on a tiny
and/or fragile vein during a phlebotomy
a. Syringes do not contain a vacuum but are filled by pulling back on
plunger, allowing blood to flow into the barrel of the syringe
b. The force exerted on the inside of the blood vessel may be
increased or decreased by pulling plunger faster or slower
c. Therefore, the amount of pressure exerted on the inside of the vein
may be controlled by the phlebotomist
d. Phlebotomist may control rate at which blood is withdrawn &
thereby prevent a patient's veins from collapsing during blood
specimen collection
Wiki User
∙ 11y ago
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What is the preferred method of solicitation for requirements over the micro-purchases threshold?
WRITTEN
When is a evacuated tube method preferred over the syringe method?
when a patient has never blood drawnSyringe allows more control over the amount of pressure exerted on a tinyand/or fragile vein during a phlebotomya. Syringes do not contain a vacuum but are filled by pulling back onplunger, allowing blood to flow into the barrel of the syringeb. The force exerted on the inside of the blood vessel may beincreased or decreased by pulling plunger faster or slowerc. Therefore, the amount of pressure exerted on the inside of the veinmay be controlled by the phlebotomistd. Phlebotomist may control rate at which blood is withdrawn &thereby prevent a patient's veins from collapsing during bloodspecimen collection
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