Citrate is a useful anticoagulant because of its ability to_____________?
Correct answer: D. Chelate calcium
- A. Buffer basic groups of coagulation factors
- B. Bind factor XII
- C. Bind vitamin K
- D. Chelate calcium
Explanation
Citrate prevents coagulation by binding ionized calcium, which is required at several stages of the coagulation cascade. This reversible calcium chelation is why citrated blood can be used for laboratory testing.
Last updated
Practise Blood and Immunity
81 free Blood and Immunity MCQs from Physiology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Physiology questions like this
Physiology is on 3 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
A patient with A - ve blood group can receive blood from_______________?
A reliable screening test for platelet function is_______________?
AB blood group antigen are known as ________ factors?
AB group has following agglutinins_______________?
Activation of which one of the following coagulation factors is not essential for hemostasis________________?