2.3.3 Microscopic Examination Flashcards

1
Q

What is the characteristics of Legionella in microscope?

A

Pleomorphic and weakly gram negative bacilli

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2
Q

This is used for easy detection and viewing for Legionella

A

Direct immunofluorescent antibody test

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3
Q

Stain for Direct immunofluorescent antibody test

A

Silver or Giemsa stains

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4
Q

What is the requirement for the growth of Legionella?

A

Iron and L-cysteine

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5
Q

Culture media use for isolation?

A

CHOC and BCYE

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6
Q

What is the appearance of Legionella pneumophila?

A

Ground glass appearance / Colony

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7
Q

NOTE: Grayish -white or Blue green, Convex and glistening measuring 2-4 mm in diameter

A
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