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D&T3 Exam 2 > Walden2 > Flashcards

Walden2 Flashcards

1
Q

Schistosomiasis

Distribution

A

S. Mansoni: PUERTO RICO! Also Africa, Arabian peninsula, venezuela, Brazil

S. Japonicum: japan

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2
Q

Schistosomiasis

Freshwater avian (bird) schistosomes

Distribution

A

Great Lakes

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3
Q

Schistosomiasis

Freshwater avian schistosomes

Sx

A

Swimmer’s itch

Transient rash

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4
Q

Schistosomiasis

Salt water avian schistosomes

Distribution and sx

A

Cape cod (New England)

Clam digger’s itch

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5
Q

Schistosomiasis

Cause of infection

A

Penetration of skin by free swimming larva (cercariae) (dams, irrigation)

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6
Q

Schistosomiasis

Life cycle

A

Man-snail-man

Mansoni: free swimming cercariae

Migrates to lungs and liver

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7
Q

Schistosomiasis

On hatching

A

Miracidium (larva) search out snail and form cercariae

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8
Q

Schistosomiasis

Pathology

A

Live in mesenteric veins: 30 yrs

Eggs produce granulomata and scars

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9
Q

Schistosomiasis

Egg deposition

A

Mansoni: mesenteric vessels

Haematobium: bladder

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10
Q

Schistosomiasis

Sx

A

Mansoni and japonicum cause intestinal and hepatic damage (portal hypertension, fibrosis, salmonella infxns)

Haematobium: hematuria, pain, bladder cancer

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11
Q

Schistosomiasis

Diagnosis

A

Eggs (prominent lateral spine or hook)

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12
Q

Schistosomiasis

Tx

A

Praziquantel

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13
Q

Taeniasis (tapeworm)

Host

A

Humans

Eggs or graves proglottids passed in feces. Cattle and pigs ingested vegetation with eggs

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14
Q

Taeniasis (tapeworm)

Route of infxn

A

Raw or undercooked infected meat

Attach to small intestine by scolex. Produce proglottids

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15
Q

Taeniasis (tapeworm)

Sx

A

Mild GI sx

Patient passes long sections of worm

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16
Q

Taeniasis (tapeworm)

Diagnosis

A

Microscopic examination of graves proglottids. Eggs.

Eggs of pork and beef tapeworms are indistinguishable

17
Q

Taeniasis (tapeworm)

Tx

A

Praziquantel

18
Q

Cysticercosis

Infective agent

A

Eggs of t. Solium

19
Q

Cysticercosis

Route of infection

A

Eggs passed in feces, penetrate intestinal wall, migrate to mm and brain

Develop cysticerci (cysts)

20
Q

Cysticercosis

Sx

A

Mental disturbances and SEIZURES

21
Q

Cysticercosis

Diagnosis

A

Migrant worker from Mexico or guatamala, working on ranch in Texas or California, acts strangely with new seizures…

Antibody detection

CT, MRI

22
Q

Cysticercosis

Tx

A

Albendazole, praziquantel

23
Q

Diphyllobothriasis
(Fish tapeworm)

Location

A

Cold freshwater. Alaska, michigan, canada

24
Q

Diphyllobothriasis
(Fish tapeworm)

Infection route

A

Diphyllobothriasis nihonkaiense from sushi and sashimi from sea

25
Q

Diphyllobothriasis
(Fish tapeworm)

Life cycle

A

From raw or undercooked fish

26
Q

Diphyllobothriasis
(Fish tapeworm)

Sx

A

B12 deficiency anemia

27
Q

Diphyllobothriasis
(Fish tapeworm)

Diagnosis

A

Megaloblastic anemia

28
Q

Diphyllobothriasis
(Fish tapeworm)

Tx

A

Praziquantel

D&T3 Exam 2 (4 decks)

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