A) Air combines with blood forming a complex
B) the flow of blood increases manifold due to concentration of surface active substances at the blood-air interface.
C) the flow of blood is obstructed due to the concentration of surface active substances at the blood-air interface.
D) none of these.
Correct Answer: C
Solution :
The presence of air bubble in blood stream is dangerous to life because the flow of blood is obstructed due to the concentration of surface active substances at the blood-air interface.
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