Anxiety Disorders: What You Need to Know. Most people experience feelings of anxiety before an important event such as a big exam, business presentation or first date. Anxiety disorders, however, are illnesses that cause people to feel frightened, distressed and uneasy for no apparent reason.
A+ | Reset | A-. An epidural steroid injection (ESI) is a minimally invasive procedure that can help relieve neck, arm, back, and leg pain caused by inflamed spinal nerves.
A Throttle Body Injection (TBI) system has a single throttle body which contains one or two fuel injectors. The injector(s) spray fuel into the intake manifold. TBI systems were used in the late 1980s and early 1990s. In a Multipoint Fuel Injection (MPI) system, each cylinder has its own individual fuel injector. Each injector is mounted on the intake manifold and sprays fuel directly into the intake port for its cylinder.