Calculate the Inspiratory to Expiratory (I:E)ratio for a Ventilator That

question 27

Multiple Choice

Calculate the inspiratory to expiratory (I:E) ratio for a ventilator that is set to deliver 850 mL at a frequency of 15 breaths/min with a flow rate of 45 L/min.

• A) 1:1.1
• B) 1:2.5
• C) 1:3.5
• D) 1:4

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Definitions:

Inferior Goods

A good that has a negative income elasticity, so that as consumer income rises, the demand for the good falls.

Normal Goods

Goods for which demand increases as the income of individuals increases.

Demand Curve

A graphical representation of the relationship between the price of a good or service and the quantity demanded for a given period.

Normal Goods

Goods for which demand increases when income increases, and falls when income decreases, but price remains constant.