Microbio parasites two Flashcards

1
Q

Characteristics of protozoa (6)

A
has organelles
anaerobic of aerobic
absorb nutrients or have  "mouth"
unicellular, eukaryotic animals
many are part of normal microbiota
asexual reproduction
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2
Q

what does protozoa feed on? (4)

A

bacteria
other protozoa
organic matter
tissues of the host

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3
Q

How does protozoa move? (4)

A

pesudopodia, flagella, gliding movements or cilia

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4
Q

types of hosts for protozoa and what does infection cause

A

Host specific or broad spectrum
zoonotic
cause chronic infections
many form cysts in the environment or in a host

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5
Q

zolite

A

little creature

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6
Q

sporozoite

A

invective form

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7
Q

trophozoite

A

form which feeds and grows

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8
Q

trachyzoite

A

form which divides rapidly

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9
Q

bradyzoite

A

form which divides slowly

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10
Q

merozite

A

many

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11
Q

Reproduction of protozoa (3)

A

binary fission, budding, schizogony

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12
Q

schizogony

A

exponential increase in numbers
destruction of host cells in proportion to the infection
stops after a fixed number of repitions

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13
Q

sexual reproduction of protozoa (3)

A

gametogony or sporogony

conjugation

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