[Solved] The most common cause of sudden cardiac death, defined as occurring within 1 hour after onset of the first symptoms, in 50-year-old men is A) aortic valve stenosis B) mitral valve prolapse C) atherosclerotic coronary heart disease D) cardiomyopathy E) hypertensive heart disease Explicit Memory: A type of long-term memory involving conscious recollection of factual information, previous experiences, and concepts. Implicit Memory: A type of memory that enables us to perform tasks without conscious awareness of these previous experiences. Classical Conditioning: An educational mechanism where two stimuli are repeatedly linked together; eventually, a response originally provoked by the second stimulus is induced by only the first stimulus. Dog Food: A type of food specifically formulated and intended for consumption by dogs and other related canines.