FiO2 stands for Fraction of Inspired Oxygen; it is a fraction of the amount of oxygen a patient is inhaling produced by an oxygen device such as a nasal cannula or mask. Different devices deliver different amounts of oxygen to the patient.Know More
With a nasal cannula, it is assumed that the patient's oxygen intake increases 4 percent for every liter of oxygen that flows through the cannula.
Using a Venturi mask, which mixes air from the room with the oxygen, provides an accurate and constant FiO2 unlike the nasal cannula. It is often used when doctors are worried about carbon dioxide retention.
An electronic balance is a device used to find accurate measurements of weight. It is used very commonly in laborites for weighing chemicals to ensure a precise measurement of those chemicals for use in various experiments. Electronic balances may also be used to weigh food and other grocery items from home.Full Answer >
A hydrometer is a device used to specify a liquid's density. It is typically made of glass with a stem protruding from a bulb filled with mercury or lead that serves as a weight.Full Answer >
A Bunsen burner is a type of device used for heating in a laboratory setting. This apparatus works by adjusting the size of the flame by mixing gas and air in the appropriate amounts.Full Answer >
An open-tube manometer is a device used to measure pressures slightly below or above atmospheric pressure. The pressure of a substance, such as a gas, is given by the difference in levels of the manometric fluid.Full Answer >