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Competency Test

Tzanck Prep

Margot Ouimette
Score: 100%   Reset Score
Test Date: 1/30/2013 4:02:12 PM

1

Tzanck preparation is performed by smearing cells taken from a fresh blister or ulcer. What is found in the adjacent slide?

Positive for Tzanck preparation with Multinucleated giant cell (keratinocytes)
Negative for Tzanck prep.

Answer required

Explanation
This slide is Positive for Tzanck Preparation. Herpes causes formation of giant cells with multiple nuclei. The shape of each nucleus appears molded to fit together with those adjacent to it. The nucleus may also contain red inclusions characteristic of herpes infection. Multinucleated giant cell (keratinocytes), molding of the nuclear membrane, nuclear inclusions are found in these slides.

2

In this Tzanck preparation select the best response.

Positive for Tzanck prep.
Negative for Tzanck prep.

Answer required

Explanation
This slide view is positive for Tzanck prep and contains a Multinucleated giant cell (keratinocytes.

3

In this image of a Tzanck preparation select the best response.

Positive for Tzanck prep.
Negative for Tzanck prep.

Answer required

Explanation
This image is negative for Tzanck prep.

4

Review these slides of a Tzanck preparation and select the best response.

Positive for Tzanck prep.
Negative for Tzanck prep.

Answer required

Explanation
These slides are positive for Tzanck prep and contains Multinucleated giant cells (keratinocytes)with molding of the nuclear membrane.

5

Examine this field and select the best answer.

Positive for Tzanck prep.
Negative for Tzanck prep.

Answer required

Explanation
This image is positive for Tzanck prep. It contains Multinucleated giant cells.

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