This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': 'Skin blood flow is decreased by ? \nSelect and explain. \nA. Dopamine, B. Isoprenaline, C. Noradrenaline, D. Acetylcholine', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., LysosomeAutophagy is the process by which cells sequester and degrade their own cytoplasmic organelles.During the process, autophagic vacuole is formed, which is a bilayer vacule containing unnecessary or dysfunctional organelle.Autophagic vacule fuses with lysosome to form autophagosome (autophagolysosome).Then, hydrolytic enzymes of lysosome degrade the organelle of autophagic vacuole.", 'role': 'assistant'}]