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PARA LEC > 1st LLE > Flashcards

1st LLE Flashcards

1
Q

Allows the parasite’s life cycle to continue

A

Reservoir host

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2
Q

No development occurs but parasite remains alive and infective

A

Paratenic host

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3
Q

Harbors the larval stages of the parasite

A

Intermediate host

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4
Q

Parasite undergo sexual maturity

A

Definitive host

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5
Q

Cannot exist without a host

A

Obligate parasite

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6
Q

Found in animals that are transmitted to humans through conusmption

A

Zoonosis

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7
Q

Transmits parasites to humans or animals

A

Vector

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8
Q

Live outside the host within a protective eggshell or cyst

A

Free-living stage

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9
Q

Live either a parasitic or free-living existence

A

Facultative parasites

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10
Q

Only one partner benefits from the association but the host is neither helped nor harmed

A

Commensalism

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11
Q

One partner benefits at the expense of the other

A

Parasitism

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12
Q

Relationship is beneficial both of the parasite and the host

A

Mutualism

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13
Q

Parasite feeds off host’s nutrients and causes infection to host

A

Parasitism

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14
Q

Produced by endoparasites

A

Infection

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15
Q

Pediculus humans capitis

A

Infestation

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16
Q

Produced by ectoparasites

A

Infestation

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17
Q

Found on skin surface

A

Infestation

18
Q

Which flagellates can survive for several hours in drinking water

A

Trichomonas tenax

19
Q

How is trichomonas hominis diagnosed?

A

Demonstration of trophozoites in stool

20
Q

Treatment used for drug resistant cases diagnosed with Giardiasis

A

Nitazoxanide

21
Q

Gold standard for detecting Giardia lamblia

A

Direct Fluorescence Antibody Test

22
Q

Chronic stage of Trichomonas vaginalis except?

A

Abundant greenish vaginal secretions

23
Q

Structure responsible for the attachment of Giardia lamblia to the cells

A

Adhesive or sucking disc

24
Q

Most common infection in males diagnosed with Trichomonas vaginalis

A

Prostatitis

25
Q

Trichomonas vaginalis may be stained with the following except?

A

Hematoxylin and eosin

26
Q

Patient came in the ER with complaints of diarrhea associated with rotten egg odor, nausea, and loss of appetite. What is most likely organism involved?

A

Giardia lamblia

27
Q

Habitat of Trichomonas tenax

A

Mouth or oral cavity

28
Q

The following are true of Giardia lamblia except?

A

It causes villus hypertrophy

29
Q

A medical technologist was examining a sample or slide under the microscope, he noted a parasite with pyriform shape, around 20 um, has 4 anterior flagella, an undulating membrane extending through half the organism’s length with a single nucleus. What is the parasite being described

A

Trichomonas vaginalis

30
Q

Habitat of Giardia lamblia

A

Duodenum, Jejunum, Ileum

31
Q

Habitat of Trichomonas vaginalis in women

A

Vagina

32
Q

In humans, Trypanosoma cruzi, amastigotes can be found in?

A

Tissue cells

33
Q

Definitive diagnosis of Trypanosoma cruzi

A

Direct visualization of parasites in thick and thin blood smears

34
Q

The following are true about Trypanosoma cruzi gambiense except?

A

Predominantly in East Africa

35
Q

Arthropod of Leishmania species

A

Sandfly

36
Q

Known to cause the dry or urban oriental sore

A

Leishmania tropica

37
Q

This stage of Leishmaniasis involves the spread of parasite in different organs such as the bone and spleen

A

Visceral Leishmaniasis

38
Q

The Montenegro skin test is used to identify exposure to the parasite, the result show a positive result in which of the following

A

Cutaneous and Mucocutaneous

39
Q

What stage of Leishmaniasis may be confused with lepromatous leprosy

A

Diffuse Cutaneous

40
Q

Romana’s sign can be seen in cases of?

A

Trypanosoma cruzi

PARA LEC (4 decks)

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