This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Physiology
Baroreceptor stimulation produces 
Select and explain. 
A. Decreased hea rate & BP, B. Increased hea rate & BP, C. Increased cardiac contractility, D. Decreased cardiac contractility
A: Decreased hea rate & BP
Answer: A: Decreased hea rate & BP 
Explanation: Baroreceptor reflex stimulates the vagus nerves causes release of acetylcholine at the vagal endings in the hea, thus giving a parasympathetic effect.Ref: Guyton and Hall textbook of medical physiology 13th edition. Page:155