Structural-Organisation-In-Animals Question 557
Question: Blood clotting can be prevented in a test tube by adding a little [CPMT 1984]
Options:
A) Sodium oxalate
B) Sodium chloride
C) Sodium hydroxide
D) Ammonium chloride
Show Answer
Answer:
Correct Answer: A
Solution:
Sodium oxalate, sodium citrate and EDTA (Ethylene diamine tetra acetic acid) are used as anticoagulants in blood banks as these bind $ C{a^{++}} $ so these are called chelating agent.