The blood to-additive ratio is most critical for a specimen collected in this tube

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Which tube is the blood to additive ratio most critical?
What is the proper blood to additive ratio?
What is the blood to additive ratio in sodium citrate tube?
What is the ratio of blood to additive in a light blue tube?

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Question	Answer
A National Organization that sets standards for phlebotomy procedures.	NAACLS.
Which is the proper order of vein selection for venipuncture?	Median cubital, cephalic, basilic.
The difference between serum and plasma is:	Plasma contains fibrinogen.
Which needle gauge has the smallest diameter?	23
Which tube contains EDTA?	Lavendaer stopper.
If you centrifuge a specimen collected in this tube the clear liquid portion is called serum.	Red Stopper.
Which of the following tubes are in the proper order of draw for the evacuated tube method?	Light Blue, Red, Green
Which needle gauge is the standard needle for the evacuated tube method of collection?	21 gauge.
What special handling does a billirubin specimen require?	Protect from light. (Goes in Amber colored tube for infants.)
The BEST way to avoid reflux is:	Ensure the tube fills from the bottom up.
For which of the following tubes is the blood to anticoagulant ratio most critical?	Light Blue stopper.
The recommeneded angle of needle insertion for routine venipuncture is between:	15 to 30 degrees.
The tourniquet must not be on longer than:	1 minute.
Which Test may be elevated if collected from a screaming baby?	Bilirubin (Can increase immune system.)
Royal Blue Tube=	Heavy Metals.
Skin puncture blood more closely resembles:	Arterial blood than venous blood
The maximum allowable depth a lance should penetrate during heel puncture.	2.0 mm
You are performin a GTT. You need to collect the fasting specimen at 0610. You give the patient the glucose beverage at 0613 and he finishes it at 0618. When is the 1 hour specimen collected?	0718.
Which of the following is not a safe site for heel punture?	posterior curvature of the heel.
Where do you draw blood from on an infant?	On the medial and later curvature of the heel.
Damage to the red blood cells and release of hemoglobin into the serum or plasma is called:	Hemolysis
The Silica in an SST:	Activates and enhances clotting.
Which test is most affected by tissue fluid contamination?	Protime
What is the advantage of collecting stat chemistries in green stopper tubes?	The test can be performed sooner.
Which anticoagulant inhibits thrombin formation?	Heparin.
Which of the following tests is most commonly ordered on patients with FUO?	Blood cultures.
The substance normally used to clean a site prior to routine venipuncture is:	70% isopropyl alcohol.
The yellow topped vaccuum collection tube has which of the following additives?	Sodium polyanetholesulfonate (SPS)
The butterfly blood collection set is frequently used with the needle gauge size of :	23
Lithium heparin is a suitable anticoagulant for collecting blood to run which of the following tests?	glucose levels.
Which of the following is a blood microcollection system?	RAM SAFE-T-FILL.
A blood cell count requires whole blood collected in a:	lavendar topped tube.
Specimens for which of the following tests must be collected in light blue-topped blood collection tubes?	PT and PTT
Blood collection for blood-banking procedures can be collected in which of the following tubes?	Pink topped tubes
A prefilled device used as a collection and dilution unit is the :	BD Unopette
Acid-Citrate-dextrose (ACD)	An additive commonly used in specimen collection for blood donations to prevent clotting. It ensures that the RBC's maintain their oxygen-carrying capacity.
Anticoagulants	Substance introduced into the blood or a blood specimen to keep it from clotting.
Capillary Tubes	Disposable narrow-bore pipettes that are used for pediatric blood collections and/or microhematocrit measures. The tubes may be coated with anticoagulant such as heparin, and for safety reasons are usually made of plastic.
Citrates	Type if anticoagulant additive for blood collection tubes prevents the blood clotting sequence by removing calcium and forming calcium salts.
Disposable sterile Lancets	Steril sharp device, preferable retractable, used in skin puncture collections to penetrate the skin at specified depths (e.g., no more than 2.0 mm for infant heelsticks).
ethylenediamine tetra-acetic acid (EDTA)	Anticoagulant additive used to prevent the blood-clotting sequence by removing calcium and forming calcium salts. EDTA prevents platelet aggregation and is useful for platelet counts and platelet function tests.
EDTA (ethylenediaming tetra-acetic acid	(continuing) Fresh EDTA samples are also useful for making blood films or microscopic slides, because there is minimal distorition of platelets and WBC's
gauge number	Size (diameter) of the internal bore of a needle.
heparin	Anticoagulant that prevents blood clotting by inactivating thrombin and thromboplastin, the blood clotting chemicals in the body.
Holder Adapter	Plastic Apparutua needed in specimen colleting using the evacuated tube method.
Lithium iodoacetate	Antiglycolytic agent and anticoagulant; not to be used for hematology testing or enzymatic determinations.
Micorcontainers

Which tube is the blood to additive ratio most critical?

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What is the proper blood to additive ratio?

Venous blood specimens for coagulation assays should be collected into a tube containing 3.2% buffered sodium citrate tube (blue top tube), yielding a whole blood sample with a 9:1 blood to anticoagulant ratio. Inadequate filling of the collection tube will decrease this ratio, and may affect test results.

What is the blood to additive ratio in sodium citrate tube?

A completely filled tube is necessary because the correct ratio of blood to citrate is critical (9:1).

What is the ratio of blood to additive in a light blue tube?

The laboratory may reject the specimen because of invalid blood to anticoagulant ratio, which in the case of a light-blue (citrate) tube is 9:1.

The blood to-additive ratio is most critical for a specimen collected in this tube

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Which tube is the blood to additive ratio most critical?

What is the proper blood to additive ratio?

What is the blood to additive ratio in sodium citrate tube?

What is the ratio of blood to additive in a light blue tube?

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