Which fixative is described as containing acetic acid, picric acid, and potassium dichromate?

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Multiple Choice

Which fixative is described as containing acetic acid, picric acid, and potassium dichromate?

Explanation:
Identifying fixatives by their chemical makeup helps you predict how they preserve tissue. Zenker's fixative is defined by the presence of acetic acid, picric acid, and potassium dichromate (along with mercuric chloride). That exact combination is distinctive to Zenker's, so it fits the description precisely. The other fixatives on the list use different sets of ingredients, so they don’t match this trio. Zenker's is a mercury-containing fixative prized historically for good nuclear detail, though its use today is limited due to toxicity.

Identifying fixatives by their chemical makeup helps you predict how they preserve tissue. Zenker's fixative is defined by the presence of acetic acid, picric acid, and potassium dichromate (along with mercuric chloride). That exact combination is distinctive to Zenker's, so it fits the description precisely. The other fixatives on the list use different sets of ingredients, so they don’t match this trio. Zenker's is a mercury-containing fixative prized historically for good nuclear detail, though its use today is limited due to toxicity.

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