This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pharmacology, Subject name: Pharmacology
[{'content': 'Which of the following is true regarding essential medicines \nSelect and explain. \nA. Drugs for emergency conditions, B. Drugs for serious disorders, C. Drugs to satisfy priority needs of the populations, D. Newer orphan drugs', 'role': 'user'}, {'content': 'Answer: C \nExplanation: essential drugs- needed to satisfy primary health care needs of the society regularly indian govt will release national list of essential medicines - these drugs should be available in all PHCs and in government hospitals orphan drugs - for rare diseases Ref KD tripathi 8th ed.', 'role': 'assistant'}]