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Parasitology Exam 1 > EXAM 1 > Flashcards

EXAM 1 Flashcards

1
Q

an organism that lives in or on an organism of another species and benefits by deriving nutrients at the others expense

A

Parasite

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2
Q

Host in which parasite reaches sexual maturity

A

Definitive host

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3
Q

Required stage with morphological change in parasite

A

Intermediate host

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4
Q

required stage with no morphological change in parasite, bridges trophic gap

A

Paratenic host

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5
Q

Infected definitive host serving as source of infection for other host (usually humans)

A

Reservoir host

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6
Q

Human derived disease from reservoir host

A

Zoonosis

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7
Q

Any host that actively transports parasites from one host to another

A

Vector

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8
Q

anterior end of malaria

A

Apical Complex

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9
Q

Causes cells to invaginate

A

Rhoptery

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10
Q
A

Shikamate Pathway

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11
Q

ring stage, produce protease

A

Trophozoite

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12
Q

digested heme

A

hemozoin

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13
Q

asexual reproduction by multiple fission

A

Schizogony

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14
Q

enzyme

A

Apyrase

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15
Q

(eimeria) life cycle only in one host

A

Monoxenous life cycle

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16
Q

resting or dormant stage of parasite (infective) , helps survive unfavorable environmental conditions, long lived

A

Cyst

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17
Q

diagnostic feature or giardia, form of diarhhea, yellow greasy stool because no lipid or bile absorbed

A

Steatorrhea

18
Q

large mitochondria, gives energy and genomic features

A

Kinetoplastid

19
Q
  1. aerobic
  2. No vsg’s
    Blood forms: slender and stumpy blood forms
A

Procyclic

20
Q
  1. anaerobic
  2. VSG’s expressed
    Stops multiplication
A

metacyclic

21
Q

Variable Surface Glycoproteins, protect outer membrane

A

VSGs

22
Q

swelling of lymph nodes , sign of african trypsanomiasis

A

Winterbottom’s sign

23
Q

produced in sleeping sickness

A

Tryptophol

24
Q

swelling associated with the acute stages of chaga’s diesease

A

Romana sign

25
Q

portal of entry for parasite, swelling

A

Chagoma

26
Q

uninfected kissing bugs, feed on patients, investigae bug for T. cruzi

A

Xenodiagnosis

27
Q

Visceral Leishmaniasis (L.donovani) , fever, hepatomegaly, weakness, and resembles leprosy

A

Kala-azar

28
Q

plasmodium spp.

A

Malaria

29
Q

Renal failure, hemolysis (RBC’s burst), nephritis , hemoglobin in the urine, hemoglobinuria (black urine)

A

Black water fever

30
Q

Schizonts burst, antigens activate t cells, TNF stimulates hypothalamus, cells in the brain stick together, clumps of cell blocks blood vessels

A

Cerebral Malaria

31
Q

mother contracts naiive infection, infects fetus brain (hydrocephalis)

A

Transplacental toxoplasmosis

32
Q

high parasite loads (toxoplasma gondii), can cause bipolar and schizophrenia as a result

A

Crazy cat lady syndrome

33
Q

Equine protozoal myeloencephalitis, Sarcocystis neurona (family sarcocystidae), neurological disease in the spinal cord

A

EPM

34
Q

Dysentary, blood in stool due to break down in intestinal lining and blood vessels flattened

A

Amoebiasis

35
Q

Primary amoeba menigocephalitis , inflammation of the menges of the brain

A

PAM

36
Q

old world, tsetse fly bite

A

African sleeping sickness

37
Q

new world , stercordarian trypanosomiasis (spread through feces of insect), kissing bug (T. cruzi)

A

Chagas’ disease

38
Q

Leishmania spp. , sandfly, visceral, cutaneous, mucocutaneous

A

Leishmaniasis

39
Q

Both organisms benefit, typically can’t survive with out each other

A

Mutualism

40
Q

One organism benefits, other unaffected

A

Commensalism

41
Q

One organism benefits, at the other organisms expense

A

Parasitism

Parasitology Exam 1 (6 decks)

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