An expansion of the first cause argument is the Kalam cosmological argument, which also requires creatio ex nihilo: 1  Everything that begins to exist has a cause. 2  The universe began to exist. 3  Therefore, the universe has a cause.
A diagnostic test may be performed to detect and diagnose health problems. These tests can be useful in finding diseases and tracking their progression. There are many kinds of diagnostic tests. CT scans, PET scans, MRIs, ultrasound and blood tests are some of the different types. A computed tomography (CT) scan is a diagnostic imaging tool. They create cross-sectional pictures of the body using computer and X-ray technology.
Diagnostic tests measure students' understanding of a subject area or skills base. Teachers typically administer diagnostics for reading and math skills, using the results to provide remedial instruction or place students within appropriately leveled classes.hildren take the test individually or in groups; some reading diagnostics are computer based while others require interaction with a test proctor. Such tests are designed to pinpoint at what grade level children are reading based on their mastery of phonics, blending, word recognition and text comprehension.