The Respiratory Therapist Places a Face Mask on an Infant

question 1

Multiple Choice

The respiratory therapist places a face mask on an infant to measure FRC. What should the therapist do to minimize the presence of air leaks and improve accuracy of the test?

• A) Place a nose clip on the infant.
• B) Minimize the amount of helium used during the test.
• C) Minimize oxygen concentration and increase nitrogen concentration.
• D) Apply petroleum jelly on the edges of the mask before applying the mask to the face.

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Definitions:

Markup

An additional amount incorporated into the buying price of products to compensate for running expenses and gain profit.

Selling Price

The amount of money for which a product or service is sold to the buyer.

Markdown Percentage

The reduction percentage applied to an item's retail price to stimulate sales or clear out inventory.

Hand-painted Stemware

Glassware for drinks that has been decorated by hand with paint, often featuring intricate designs or patterns.