It was the american hospital association. It was discovered in the early 1970’s
a nurse is preparing to suction secretions from the mouth of a patient who has dysphagia she should use for clearing oral secretions with the Yankaur Catheter, a tonsil-tip suction catheter.
With the invention of his namesake Yankauer suction catheter in 1907, otolaryngologist Sidney Yankauer transformed the field of medical suction. While employed at Mount Sinai Hospital's outpatient surgery unit, Dr. Yankauer, an unassuming ENT specialist, created a number of useful medical devices. The medical genius Dr. Yankauer is respected for his prolific writing career.
The Yankauer suction tip, one of the most widely used medical suction devices in the world, would turn out to be his most important invention.
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Accurately measuring liquids is an essential skill technicians must master, the equipment consists of volumetric flasks, burettes, and pipettes.
A volumetric flask is a laboratory instrument, calibrated to retain a specific volume at a specific temperature. Volumetric flasks are utilized for precise dilutions and preparation of stock solutions.
A pipette is a laboratory instrument typically used in, biology, chemistry, and medicine to deliver a measured volume of fluid, usually as a media dispenser.
A burette is a glass tube with a tap at one end, used for transporting known volumes of a liquid, particularly in titrations.
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Answer:
with the help of drinking water
