Question

A blood platelet drifts along with the flow of blood through an artery that is partially blocked by deposits. As the platelet moves from the narrow region to the wider region, it experiences

A. More pressure
B. Less pressure
C. Pressure doesn’t change, faster speed
D. Pressure doesn’t change, slower speed

Answer 1

B. Less pressure because it’s going from high pressure to low pressure

Answer 2

More pressure will be applied to the blood platelets as they move from the narrow region to the wider region.

Blood pressure

The term blood pressure refers to the force exerted per unit area in order to move blood components from one point to another. We have to note that the more blocked the blood vessel is, the greater pressure is applied.

Hence, more pressure will be applied to the blood platelets as they move from the narrow region to the wider region.

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