Which of the Following Is/are Commonly Seen on the Lateral

question 2

Multiple Choice

Which of the following is/are commonly seen on the lateral neck x-ray of a patient with LTB?
1) "Pencil point" narrowing of the upper airway
2) Haziness in the subglottic area
3) Classic "thumb sign"
4) "Steeple point" narrowing of the upper airway

• A)1, 3
• B)2, 4
• C)1, 2, 4
• D)2, 3, 4

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Definitions:

Non-directional Hypothesis

A hypothesis that does not predict the specific direction of the difference or relationship, only that one exists.

T-statistic

A statistic calculated from sample data used to assess the plausibility of the null hypothesis in t-tests.

Standard Error

The typical deviation found in the distribution of sample statistics, often referring to the mean.

T-statistic

A type of statistic used in hypothesis testing, determined by the difference between the sample mean and the population mean divided by the standard error.