All of the Following Gases May Be Used as a Tracer

question 3

Multiple Choice

All of the following gases may be used as a tracer gas when performing the DLCO test except:

• A) Methane
• B) Neon
• C) Carbon dioxide
• D) Helium

---

Definitions:

Organic Product

A compound resulting from an organic reaction, often specifying a natural or environmentally friendly substance.

Synthesis

The process of combining components or elements to form a coherent entity, often referring to chemical synthesis.

Reactants

Substances initially present in a chemical reaction that are consumed to form products during the reaction.

Ethyl Magnesium Chloride

A Grignard reagent represented as CH3CH2MgCl, utilized in organic synthesis to form carbon-carbon bonds.