Forensic medicine – MCQ 35 – Diatoms

Which of the following statements is not correct regarding diatoms?
A. Diatoms are aquatic unicellular plant
B. Diatoms have an extracellular coat composed of magnesium
C. Acid digestion technique is used to extract diatoms
D. Presence of diatoms in the femoral bone marrow is an indication of antemortem inhalation of water

Correct answer : B. Diatoms have an extracellular coat composed of magnesium

Diatoms have an extracellular coat of silica.

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