CCRN-K Pediatric Practice Questions - AACN CCRN-K Pediatric (Knowledge Professional) Certification Exam

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A pediatric clinical educator is reviewing knee-chest positioning with PICU staff. Why is this position the priority intervention during a hypercyanotic 'tet' spell in Tetralogy of Fallot?

It increases venous return and right ventricular preload It increases systemic vascular resistance and reduces right-to-left shunting It decreases pulmonary vascular resistance directly It opens the ductus arteriosus mechanically

Correct Answer:

It increases systemic vascular resistance and reduces right-to-left shunting

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