Q:

Pascal’s principle (‘pressure applied to an enclosed fluid at rest is transmitted to every portion of the fluid and to the walls of the containing vessel’) may be used to understand which of the following phenomena?

waelhammad
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2022-10-18
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Pascal’s principle (‘pressure applied to an enclosed fluid at rest is transmitted to every portion of the fluid and to the walls of the containing vessel’) may be used to understand which of the following phenomena?

  1. An air mattress minimises the pressure applied to a bed-ridden patient’s body.
  2. A worker can walk on wet concrete without sinking by standing on wide boards.
  3. That a pulse can be felt as blood flows through a superficial artery.
  4. The collapsing of a plastic intravenous bag as the liquid runs out.
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waelhammad
2022-10-18
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C: The blood may be considered an enclosed fluid. As the left ventricle exerts pressure on the blood, the pressure can be felt throughout the arterial system. So this pressure can be detected by palpating a pulse point.

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