This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autonomic nervous system, Subject name: Pharmacology
Adrenalin increases all of the following blood pressures significantly except 
Select and explain. 
A. Systolic, B. Diastolic, C. Mean BP, D. Pulse pressure
B: Diastolic
Answer: B: Diastolic 
Explanation: Adrenaline given by slow infusion causes a rise in systolic but fall in diastolic BP, peripheral resistance sometimes may decrease because vascular beta 2 receptors are more sensitive than alpha receptors. beta 2 receptors produce vasodilatation causing fall in diastolic at times Mean BP generally rises. Pulse pressure is increased. From essential of medical pharmacology K D Tripati 7th edition Page no 131