Which of the following volumes would indicate that a 70-kg,post-operative open heart male patient needs IS as hyperinflation therapy? (Predicted vital capacity [VC] 4.1L,predicted inspiratory capacity [IC] 2.5L)

Question

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A vital capacity [VC] has to exceed more than 10-ml/kg or the inspiratory capacity [IC] must be greater than one third of predicted for incentive spirometry to be indicated.

Which of the Following Volumes Would Indicate That a 70-Kg,post-Operative