Examlex

Solved

Which of the Following Statements Are True About Low-Flow O2

question 8

Multiple Choice

Which of the following statements are true about low-flow O2 delivery systems?
1) The greater the patient's inspiratory flow, the greater is the FiO2.
2) All low-flow devices provide variable O2 concentrations.
3) The O2 provided by a low-flow device is diluted with air.
4) The patient's flow usually exceeds that from a low-flow device.


Definitions:

Methanol

A light, volatile, colorless liquid with a distinctive odor, used primarily as a fuel, solvent, or antifreeze.

Lewis Structure

A diagram representing the valence electrons of atoms as dots and covalent bonds as lines in a molecule.

Formaldehyde

A colorless, strong-smelling gas used in chemical manufacturing and as a preservative in mortuaries and medical labs, with chemical formula CH2O.

Simplest Alkene

Ethylene, also known as ethene, the simplest alkene consisting of a carbon-carbon double bond and the chemical formula C2H4.

Related Questions