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.
Tests Used to Diagnose Kidney Disease. Several types of tests are used to diagnose and evaluate different types of kidney disease: 1  Kidney function is determined using blood and urine tests. 2  Imaging tests are a relatively painless and low-risk way of providing useful information about kidney structure.