AIIMS2008Zoology-Human Physiology
AIIMS 2008 Zoology Blood and Circulation MCQ Question
Type: MCQ-conceptual-Medium-Class 11
You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes. Which of these will you not use for the purpose?
A
test tube containing calcium bicarbonate
B
chilled test tube
C
test tube containing heparin
D
test tube containing sodium oxalate
Correct Answer
Option C
Detailed Explanation
Clotting of collected blood can be prevented by coating test tubes with silicon.
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