Systemic Bacteriology Flashcards

1
Q

name three shapes bacteria can have

A

cocci
bacilli
spiral

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2
Q

what is a sphere shaped bacteria called?

A

coccus

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3
Q

what are two spherical bacteria next to each other called?

A

diplococcus

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4
Q

what is a bacillus?

A

rod shaped bacteria

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5
Q

what is a rigid spiral shaped bacteria called?

A

spirillum

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6
Q

what is a flexible spiral shaped bacteria called?

A

spirochete

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7
Q

name an organism that doesn’t stain well with the gram stain

A

mycobacterium tuberculosis

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8
Q

what groups does the gram stain divide bacteria into?

A

gram positive and gram negative

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9
Q

what does aerobic mean?

A

bacteria grows in oxygen

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10
Q

what does obligate aerobe mean?

A

bacteria requires oxygen

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11
Q

what does obligate anaerobe mean?

A

bacteria is killed by oxygen

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12
Q

what does facultative anaerobe mean?

A

bacteria tolerates oxygen

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13
Q

what is selective media?

A

a media that contains specific substances that favour the growth of one organism over another

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14
Q

what is differential media?

A

media with chemicals that produce visible changes when a certain organism is present to allow identification

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