Which of the following types of doors is constructed with three or four sections or wings that rotate in a circular frame?

Epistaxis is a clinical sign that is characteristically associated with which of the following?

a. Rosenthal-Rosenthal syndrome b. Sturge-Weber syndrome c. Rendu-Osler-Weber syndrome d. Burning mouth syndrome e. Albright's syndrome

The purpose of calibration, as defined by CLIA'88, is to:

A) "quantitate the accuracy of the methods." B) "substantiate the continued accuracy of the test system throughout the laboratories' reportable range of the test results for the test system." C) "determine the analytical precision of the assay." D) "estimate the slope and intercept derived from assaying a series of calibrators."