Which of the following is the best for the sterile blood collection for nutritional studies?
a. gold-topped tube
b. royal bluetopped tube
c. red-topped tube
d. yellow-topped tube
Question 2
Which of the following additives prevent coagulation of blood by removing calcium through the formation of insoluble calcium salts?
a. EDTA, lithium heparin, sodium citrate
b. ammonium heparin, sodium citrate, potassium oxalate
c. EDTA, potassium oxalate, sodium citrate
d. sodium fluoride, lithium heparin, EDTA