Use of a Heat and Moisture Exchanger Is Beneficial to a Patient

question 21

Multiple Choice

Use of a heat and moisture exchanger is beneficial to a patient with a(n) :

• A) tracheostomy who is receiving low-flow oxygen.
• B) tracheostomy who is receiving room air.
• C) open stoma.
• D) All of the above.

---

Definitions:

Effect Size

A quantifiable measure of the magnitude of a phenomenon or the strength of a relationship in a statistical analysis.

Statistical Tests

Procedures used in inferential statistics to determine the probability of a hypothesis being true based on sample data.

Degrees of Freedom

The amount of distinct quantities or measures which are assignable to a statistical distribution without contravening existing constraints.

Test Statistic

A numerical value derived from an experiment's data, utilized in hypothesis testing to decide if the null hypothesis should be dismissed.