________ determines how well the item differentiates between the good student and the poor student.

Which of the following is most likely to result in a retake of a bitewing radiograph?

A) The patient maintained a steady pressure on the bite tab. B) The patient swallowed during the exposure. C) There are no large tori or severely malpositioned teeth. D) The top edge of the image receptor did not contact the lingual gingiva.

The most expressive part of the body are the hands

Indicate whether the statement is true or false