Which of the Following Are Advantages of the Nasal Cannula

question 26

Multiple Choice

Which of the following are advantages of the nasal cannula as a low-flow O₂ delivery system?
I.stability
II.low cost
III.easy application
IV.disposability

• A)II and IV
• B)I, II, and IV
• C)II, III, and IV
• D)I, II, III, and IV

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Definitions:

Matched Pairs

A study design where subjects are paired based on certain criteria, with one member of each pair receiving the treatment and the other serving as a control.

Ordinal Data

Data that is categorized based on order or ranking, but where the intervals between the categories are not necessarily consistent or known.

Normally Distributed

Describing a distribution that follows a normal curve, with most observations clustering around the mean and tapering off symmetrically towards the extremes.

Sign Test

A non-parametric test used to evaluate the difference between the median of a paired sample and a hypothesized value.