Bernoulli Lateral Pressure — FRCA Primary MCQ
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Correct answer: E — As fluid velocity increases through a constriction lateral pressure decreases
As velocity increases through a constriction the lateral (static) pressure decreases while total energy is conserved. This underlies the Venturi effect / entrainment masks / jet ventilation / and flowmeters.
Reference: Al-Shaikh Stacey 2019 Essentials of Anaesthetic Equipment