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:

Loyalists

Colonists who remained loyal to Great Britain during the War of Independence.

American Revolution

The colonial revolt that took place between 1765 and 1783, in which the Thirteen American Colonies won independence from Great Britain, establishing the United States.

Excitation Current

(1) The DC used to produce electromagnetism in the fields of a DC motor or generator, or in the rotor of an alternator or synchronous motor; (2) The AC that flows in the primary of a transformer with no load connected.

Primary

Referring to the first or main element of a system or device, such as the primary coil in a transformer.