Microscopia Flashcards

1
Q

Microscopia cu fond negru se face

A

la iluminarea laterala pe fond intunecat

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2
Q

Microscopia cu contrast de faza se face pentru

A

observarea rapida in preparare nativa a obiectelor stravezii

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3
Q

Microscopia fluorescenta

A

este folosita capacitatea unor substante de a ilumina la actiunea razelor ultraviolete invizibile

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4
Q

Microscopia electronica

A

ofera imagini cu detalii de structura celulelor la nivel molecular

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5
Q

Etapele si tehnica pregatirii frotiurilor din produse biologice

A
  1. Ansa este incalzita
  2. Etalarea
  3. Uscarea frotiului
  4. Fixarea
  5. Colorarea
  6. Prezentarea rezultatelor
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6
Q

Coloratia asigura

A

un contrast mai bun intre microbi si fondul preparatului detaliile morfologice devenind vizibile

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7
Q

Micobacteriile nu se coloreaza prin tehnica Gram, d-ce

A

au in compozitia lor acid micolic, care confera impermebilitate pentru coloranti

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8
Q

Micobacteriile sunt numiti

A

acido-alcool-rezistenti

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9
Q

Coloratia Ziehl-Neelse este utilizata pentru

A

micobacterii

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10
Q

Dupa coloratia Ziehl-Neelse se evidentiaza

A

granule de volutina

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11
Q

Metoda Burry-Hinss permite evidentierea

A

capsulei

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12
Q

Sporii se coloreaza dupa

A

metoda Aujeszki

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