Question

दवा वितरण प्रणाली में मरीजों की सुरक्षा को बनाए रखने के में जीडीए की भूमिका क्या है​

Answer 1

Answer:

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Stethoscope, medical instrument used in listening to sounds produced within the body, chiefly in the heart or lungs. It was invented by the French physician R.T.H. Laënnec, who in 1819 described the use of a perforated wooden cylinder to transmit sounds from the patient's chest (Greek: stēthos) to the physician's ear.