Diseases Flashcards

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1
Q

Etiology: Variola virus
Enveloped
Large brick shaped to pleomorphic virion
Small linear, double-stranded DNA genome (18.6 kb)

A

Smallpox

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2
Q
Etiology: Gram-positive rod
Obligate anaerobe
Motile
Forms endospores
Produces tetanospasmin
Produced by growing cells
Released only when cell lyses
Inhibits release of inhibitory neurotransmitters
A

Clostridium Tetani (tetanus)

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3
Q
Etiology: Morphology:  Gram-negative, non-endospore forming bacilli
In the family Enterobacteriaceae
Characteristics
Facultative anaerobe
Cannot grow well at temperatures > 44.5oC
Tolerant of pH 4 to 5
Resistant to many antibiotics
Sensitive to irradiation
A

Escherichia coli

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4
Q

Etiology: Acid-fast bacillus
Has an unusual, waxy coating on the cell surface(primarily mycolic acid)
Nonmotile
Obligate aerobe
Facultative intracellular parasite (esp. macrophages)
Slow Generation Time: 15 to 20 hours

A

Mycobacterium tuberculosis

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5
Q

Etiology: Crescent-shaped protozoan
Member of the Apicomplexa
Obligate intracellular parasite
Multiplies within host cells

A

Toxoplasma gondii

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6
Q

Reservoir: cats

A

Toxoplasma gondii

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7
Q
Etiology: Primarily four species
P. falciparum
P. vivax
P. ovale
P. malariae
P. knowlesi, is a simian malaria and causes zoonotic malaria in humans
A

Malaria

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8
Q

Etiology: Flagellated protozoa
Two morphological forms: trophozites and cysts (infective form)
After ingestion, excystation releases trophozites
Attach to mucosal surface of duodenum and jejunum
Cysts form in small intestine

A

Giardia intestinalis (also known as G. lamblia and G. duodenalis)

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9
Q

ETIOLOGY: Pleomorphic
Gram-negative
Facultative anaerobic
Coccobacillus

A

Yersinia pestis (black plague)

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10
Q

Name for Cave disease, spelunker lung, or ohio valley disease

A

histopasma capsulatum

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11
Q

name for athlete foot?

A

tineas

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12
Q

Name for Giardia

A

Gardia intestinalis

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13
Q

Name for beaver fever

A

gardia intestinalis

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14
Q

name for the plague

A

yersina pestic

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15
Q

name for tuberculosis

A

mycobacterium tuberculosis

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16
Q

bird and bats droppings

A

histoplasma capsulatum

17
Q

reservoir: Seals

A

influenza B

18
Q

reserivoir: Wild birds/aquartic

A

Influenze A