In an effort to determine a patient's need for ventilatory support, which of the following factors increase(s) ventilatory workload?
1) Decreased lung compliance
2) Decreased thoracic compliance
3) Increased airway resistance
4) Artificial airways
A)1 only
B)1 and 2 only
C)1, 2, and 3 only
D)1, 2, 3, and 4

Question

Quizplus · Accepted Answer

Decreased lung compliance, decreased thoracic compliance, and increased airway resistance all increase the effort required for breathing, thus increasing ventilatory workload. Artificial airways can also increase the workload by adding resistance or by being improperly sized or positioned.

In an Effort to Determine a Patient's Need for Ventilatory