A Patient Comes to Radiology for a Routine Chest Study

question 85

Multiple Choice

A patient comes to radiology for a routine chest study.On the PA projection, the radiologist sees a possible calcification near a rib, but she cannot tell whether the calcification is in the lung or on the rib.What additional projections would assist with the diagnosis?

• A)Apical lordotic
• B)Right lateral
• C)Inspiration/expiration PA
• D)Both lateral decubitus

---

Definitions:

P-value

The probability of obtaining a test statistic at least as extreme as the one observed, assuming the null hypothesis is true; used to determine statistical significance.

Hypothesis

A supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.

Confidence Interval

A span of values, generated from the statistics of a sample, that is likely to comprise the value of an undefined population parameter.

Test Statistic

A value calculated from sample data during a hypothesis test that is used to determine whether to reject the null hypothesis.