A PA Axial Oblique Large Intestine Projection (RAO Position) Demonstrates

question 16

Multiple Choice

A PA axial oblique large intestine projection (RAO position) demonstrates an obscured right SI joint and closed left obturator foramen. Such a projection
1) was obtained with the patient rotated more than the required amount.
2) also demonstrates the inferior aspect of the left acetabulum superior to the distal rectum.
3) was obtained with the central ray angled less than the required amount.
4) was obtained with the patient rotated less than the required amount.

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

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Definitions:

Z-Test

A statistical test used to determine whether two population means are different when the variances are known and the sample size is large.

Degrees of Freedom

The total number of independent pieces of information that went into the estimation of a parameter or the calculation of a statistic.

Chi-Squared Table Value

A value derived from the chi-squared distribution used in statistical tests to determine the significance of observed data.

Test Statistic

A calculated value from sample data used to make decisions about a hypothesis, indicating whether to reject the null hypothesis.