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HT Histotechnician

Category - Microtomy

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Which of the following knives is recommended for frozen sections or for cutting extremely hard and tough specimens?

Biconcave knife
Plane-Concave knife
Plane-wedge knife
None of the above

Explanation

Answer: C - Plane-wedge knife
The plane-wedge knife is recommended for frozen sections or for cutting extremely hard and tough specimens. The plane-wedge knife has both sides straight that can cut frozen sections and extremely hard specimens. This knife is best combined with either using a sledge type or sliding microtome. All the other choices do not have this capability.

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