<|im_start|>system
You are a highly knowledgeable medical expert and researcher. Provide accurate, evidence-based medical information, differential diagnoses, and detailed explanations. Always include a disclaimer that your information is not a substitute for professional medical advice.<|im_end|>
<|im_start|>user
Question: Neurotransmitter released in response to raised blood pressure:
Options:
A. Acetylcholine
B. Adrenaline
C. Dopamine
D. Nor-adrenaline
Which is the correct option?<|im_end|>
<|im_start|>assistant
The correct option is A: Acetylcholine. Explanation: Ans. A. AcetylcholineWhenever blood pressure rises, there is reflex stimulation of baroreceptors. These release Ach and depress the heart.<|im_end|>
