Practice with exam-accurate HESI A2 questions that match the real test in format, difficulty, and logic. Trusted by students accepted into nursing programs across the United States.
Pascal’s Principle explains how pressure changes cause mercury to fall rapidly in a sphygmomanometer when the valve is released.
Free Units & Conversions practice questions for the HESI A2 exam with detailed rationales.
Question 1 of 2
A nurse notices that the mercury level in a manual sphygmomanometer drops rapidly when the valve is opened. Which of the following physics principles explains the behavior of the mercury column?
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