Which of the Following Statements Is INCORRECT

question 60

Multiple Choice

Which of the following statements is INCORRECT?

• A) Quartz is a form of silicon dioxide that is used for controlling the frequency of radio and television transmissions.
• B) Silica gel,a noncrystalline for of SiO₂,is used to keep electronics dry.
• C) Passing beer through a bed of silica gel removes small particles that cause cloudiness.
• D) Gaseous SiO₂ is a linear molecule with silicon-oxygen double bonds and a boiling point slight below 0 °C.
• E) Silicon dioxide is resistant to attack from all acids except HF.

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Definitions:

Mechanical Ventilation

A life-support technique that uses a machine to help patients breathe when they are unable to do so sufficiently on their own.

Endotracheal Tube

A flexible tube inserted through the mouth or nose into the trachea to maintain an open airway and facilitate ventilation.

Oropharyngeal Suctioning

The process of removing secretions from the throat and mouth using a suction device to maintain airway patency.

Bloody Secretions

Fluids expelled from the body that contain blood, indicating possible injury or disease.