Which of the Following Is Found When a Patient Has

question 1

Multiple Choice

Which of the following is found when a patient has sinus arrhythmia?
1) Rate decreases during expiration.
2) Rate decreases during inspiration.
3) Rate varies by more than 10% from beat to beat.
4) Rate increases during inspiration.

• A)3
• B)2, 3
• C)1, 4
• D)1, 3, 4

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Definitions:

One-Tail Test

A statistical test in which the region of rejection is on only one side of the sampling distribution, used to determine if a parameter is greater than or less than a certain value.

Two-Tail

Describes tests or intervals in statistics that consider extreme values in both tails of the distribution to test hypotheses or compute confidence intervals.

P-Value

The probability of observing data at least as extreme as the data actually observed, under the assumption that the null hypothesis is true.

Null Hypothesis

A default hypothesis that there is no significant difference or effect, used as a starting point for statistical testing.