Which Type of Brush/needle/mechanical Device Is/are Used to Obtain a Sample

question 12

Multiple Choice

Which type of brush/needle/mechanical device is/are used to obtain a sample that cannot become contaminated during retrieval through the suction channel?

• A) Unsheathed cytology brush
• B) Sheathed cytology brush
• C) Forceps
• D) Wang needle

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Definitions:

Necessary Reagents

Necessary reagents are the essential chemicals or substances required to carry out a specific chemical reaction.

Major Organic Product

The most abundant product resulting from an organic reaction, reflecting the preferred pathway due to factors like stability and reaction conditions.

Gatterman-Koch Formylation

A chemical reaction that introduces an aldehyde group into aromatic compounds using carbon monoxide, hydrochloric acid, and a Lewis acid catalyst.

Anisole

An organic compound consisting of a methoxybenzene group; used as a precursor in the synthesis of perfumes, pharmaceuticals, and pesticides.