Function of the Vagus Nerve. Human Beings have an Autonomic Nervous System (ANS) that is actually comprised of three separate subsystems, the Parasympathetic Nervous System (PNS), the Sympathetic Nervous System (SNS) and the Enteric Nervous System (ENS).
What is a CDR? A Continuing Disability Review (CDR) is a routine review done by the Social Security Administration (SSA). CDRs are done to make sure that people receiving Social Security (SSD) and Supplemental Security Income (SSI) disability benefits are still disabled and entitled to those benefits.
A Clinical Research Associate (CRA), also called a clinical monitor or trial monitor, is a health-care professional who performs many activities related to medical research, particularly clinical trials.