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parasitology > 1st wk > Flashcards

1st wk Flashcards

1
Q

What is the common name for the intestinal nematodes transmitted through contaminated
soil, including Ascaris lumbricoides, Trichuris trichuria, Ancylostoma duodenale, and
Necator americanus?

A

C) Soil-transmitted Helminths (STHs)

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2
Q

What is the typical life cycle of the human whipworm (Trichuris trichiura)?

A

Eggs are passed in the feces, embryonate in the soil, and become infective larvae.
After ingestion by a host, the larvae mature into adult worms in the large intestine.

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3
Q

What characteristic feature is associated with the feeding apparatus of Ancylostoma
duodenale?

A

Hook-like teeth

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4
Q

What is the primary purpose of the Kato-Katz technique (K-K), recommended by the
World Health Organization (WHO), in diagnosing and quantifying infections in endemic
localities?

A

Indirect estimation of worm burden through the number of eggs per gram of stool
(epg).

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5
Q

the primary route of transmission for Ascaris lumbricoides?

A

Fecal-Oral Route

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6
Q

Giant intestinal roundworm of man

A

Ascaris lumibricoides

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7
Q

Human hookworms

A

Ancylostoma duodenale and Necator americanus

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8
Q

Human whipworm

A

Trichuris trichuria,

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9
Q

nfant’s ingestion of mother’s milk

A

Translactational

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10
Q

Technique used to diagnose STHs

A

Kato-Katz

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11
Q

the typical duration of treatment for Ascaris lumbricoides infections.

A

. 1-3 days

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12
Q

of contaminated soil in unwashed hands either playing for children or working for
adults.

A

Ingestion

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13
Q

has a mouth with no teeth but with four chitinous cutting plates, two each on the
ventral and dorsal surfaces.

A

N. americanus

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14
Q

It is a study of parasites their hosts, and the relationship between them.

A

Parasitology

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15
Q

An organism that lives on or inside the body of its hosts from which they deserve
food and shelter.

A

Parasite

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16
Q

Trichuriasis is transmitted primarily through the ______?

A

Fecal-Oral Route

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17
Q

The name comes from the worm’s whip-like shape.

A

Trichuris Trichiura

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18
Q

An organism where the parasite lives, feeds, and obtains shelter from and is
therefore disadvantaged in the associations.

A

Hosts

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19
Q

Definitive Host is the adult stage that releases the eggs. t or f

A

true

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20
Q

Disease is the presence of the parasite without accompanying symptoms. t or f

A

false

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21
Q

Antibody Detection can detect DNA in feces or blood and has developed as the
most sensitive alternative for diagnosis. t or f

A

flase

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22
Q
  1. Soil-transmitted helminths (STHs) are also known as geohelminths. t or f
A

True

23
Q

The World Health Organization (WHO) currently disfavors to use Kato-Kats
technique in the detection of T. trichiura. t or f

A

false

24
Q

This Diagnostic technique is more sensitive and
can detect more cases of light infections.

A

fect

25
Q
  1. Who is at risk for Trichuriasis.
A

children

26
Q

A. Children
3. A parasite that is pathogenic for some other
species, lives and multiplies usually without
damaging its host.

A

F. Reservoir Host

27
Q

Enter or attached to the body of hosts that are
different from their preferred hosts.

A

E. Accidental
or Incidental Parasites

28
Q

The female lays _____ to _____ single-celled
eggs per day.

A

B. 3,000 to 20,000

29
Q

Female Ascaris Lumbricoides has _____ cm in length

A

20 to 35 cm

30
Q

Male Ascaris Lumbricoides has _____ mm in diameter

A

3 to 4 mm

31
Q

Ascaris Lumbricoides usually lays an eggs with approximately _____ number of eggs

A

a. 200,000

32
Q
  1. What is the structure of the mouth of Ascaris Lumbricoides?
A

2 ventral and 1 dorsal

33
Q

What is/are the possible transmission of ascaris lumbricoides?

A

Eating with dirty hands
b. Eating contaminated food and water

34
Q

Male Ascaris Lumbricoides have the ability to lay eggs inside the human body. t or f

A

flase

35
Q

Ascaris Lumbricoides is a type of hookworm. t or f

A

flse

36
Q

Female Ascaris have a curled tail.

A

false

37
Q

Male Ascaris have straight pointed tails.

A

False

38
Q

The mouth of Ascaris Lumbricoides has 3 lips.

A

True

39
Q

Round or Oval shape and has Golden brown in
color. C

A

.Fertilized egg

40
Q

Long and narrowed in shape.

A

D. Unfertilized
egg

41
Q

The test result showed an increased white blood
cell, called eosinophils. B.

A

Blood test sample

42
Q

An image shows a mass of worms in the
abdomen part, what type of imaging test is this?

A

X-ray

43
Q

It is a detailed image of the internal structure of
the body.

A

A. MRI

44
Q
  1. What is the worm classified that has two types?
    a. Trichuris Trichiura c. Roundworm
    b. Hookworm d. Ascaris Lumbricoides
A

b

45
Q

This type of worm is often reddish because it ingested blood?

A

A. Duodenum

46
Q

What type of treatment will the patient take if they are infected with Hookworm?

A

d. Benzimidazoles mebendazole and Albendazole

47
Q
  1. What type of Hookworm does not have teeth and is slightly smaller?
A

N. Americanus

48
Q
  1. What are the two types of Hookworms?
A

A. Duodenum and N. Americanus

49
Q

If the Hookworms do not occur in isolation with the soil they are still contagious in
humans. t or f

A

FALSE

50
Q

Ingestion of hands after gardening cannot be the portal entry for the Hookworms. t or f

A

FALSE

51
Q

Skin penetration is one of the transmission that Hookworm can. t or f

A

TRUE

52
Q

Percutaneous transmission are effective on both A. Duodenum and N. Americanus.
t or f

A

false

53
Q

The Ova of Hookworm can still be distinguishable using the light microscope only.
t or f

A

false

54
Q
A

parasitology (7 decks)

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