Although the most-viewed videos were initially viral videos , such as " Evolution of Dance " and " Charlie Bit My Finger ", the most-viewed videos were increasingly related to music videos. In fact, since Lady Gaga 's " Bad Romance ", every video that has reached the top of the "most-viewed YouTube videos" list has been a music video. Although some of the previously most-viewed videos are no longer listed on the site, reaching the top of the list is still considered a tremendous feat.
ROUTINE VENIPUNCTURE AND SPECIMEN HANDLING
Pretty Bright" - by Sudheer Reddy. Each LED tubelight is a complete set. Pretty Bright for a decent size room. See All Buying Options. Perfect Light! Light emitted is almost 1.
Zafira. Age: 32. The ultimate adult XXX star usually available only for traveling meetings. Services: Sex In Different Positions, Oral, Oral With Condom, Kissing, Kissing With Tounge, Cum On Body, Deep French Kiss, 69 Position, Extra Ball, Erotic Massage, Striptease, Couples, Light S/M, Toys.
Top Selected Products and Reviews
Most blood collection tubes contain an additive that either accelerates clotting of the blood clot activator or prevents the blood from clotting anticoagulant. A tube that contains a clot activator will produce a serum sample when the blood is separated by centrifugation and a tube that contains an anticoagulant will produce a plasma sample after centrifugation. Some tests require the use of serum, some require plasma, and other tests require anticoagulated whole blood. The table below lists the most commonly used blood collection tubes. Gel separates serum from cells. Chemistry, serology, immunology Green Sodium or lithium heparin with or without gel Prevents clotting by inhibiting thrombin and thromboplastin Stat and routine chemistry Lavender or pink Potassium EDTA Prevents clotting by binding calcium Hematology and blood bank Gray Sodium fluoride, and sodium or potassium oxalate Fluoride inhibits glycolysis, and oxalate prevents clotting by precipitating calcium. Glucose especially when testing will be delayed , blood alcohol, lactic acid. Online laboratory continuing education for clinical laboratories and med techs. Forgot your password? Sign up for LabCE's mailing list.
Return to the tutorial menu. Preferred venous access sites, and factors to consider in site selection, and ability to differentiate between the feel of a vein, tendon and artery. Identify the additive, additive function, volume, and specimen considerations to be followed for each of the various color coded tubes. Summarize the problems that may be encountered in accessing a vein, including the procedure to follow when a specimen is not obtained. The venipuncture procedure is complex, requiring both knowledge and skill to perform. Each phlebotomist generally establishes a routine that is comfortable for her or him.