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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
In 1864, the first barbiturate (barbituric acid) was synthesized.
Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.
![General differences in food webs and carbon flow among terrestrial and aquatic ecosystems (adapted f](https://biology-forums.com/gallery/47/medium_33_17_02_12_7_03_55_20461713.jpeg)
![Sample of an informed consent to perform an operation, sedation, anesthesia, and other medical servi](https://biology-forums.com/gallery/47/medium_380792_21_05_16_1_59_43_23539746.jpeg)