With respect to the cardiac plexuses:

• A. the superficial plexus lies to the right of the ligamentum arteriosum, in front of the tracheal bifurcation, behind the aortic arch
• B. the deep plexus is smaller and lies in front of the ligamentum arteriosum
• C. the plexuses consist only of sympathetic and parasympathetic fibres
• D. pain fibres run with sympathetic nerves sympathetic ganglia (3 cervical and upper 4-5 thoracic ganglia of both sides)
• E. sympathetic fibres accelerate the heart and constrict the coronary arteries