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Microbiology -Medical > Taenia saginata & solium > Flashcards

Taenia saginata & solium Flashcards

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USMLE® Step 1 flashcards Biology 101 flashcards
1
Q

Definitve host of T saginata & T solium ?

A

Man

519

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2
Q

Intermediate host of T solium ??

A

Pigs

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2
Q

Infective form of T saginata ?

A

Cysticerous bovis

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3
Q

Intermediate host of T saginata ?

A

Cattle

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4
Q

Infective form of T solium ?

A

Cysticerous cellulosae

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5
Q
A
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6
Q
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6
Q
A
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7
Q

Scolex / head large whom ???

A

T saginata

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8
Q

Scolex small whom ??

A

T solium

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9
Q

Cysticercosis occure where ?

A

T solium

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10
Q

T saginata T solium location of adult worms ??

A

SI - Upper jejunum of man

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11
Q

Suckers of scolex is pigmented in which T ??

A

T saginata

519

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12
Q

Sphincter present in vagina in which species ??

A

T saginata

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12
Q

Scolex of T saginata bear ???

A
  1. Rostellum
  2. Hooks
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13
Q

Testes follicles in T Sg ??

A

300-400

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14
Q

Testes follicles in T S ??

A

150-200

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15
Q

T Sg length ??

A

5-10m

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15
Q

Segments of T is called ??/

A

Proglottids

519

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16
Q

T S length ??

A

2-3 m

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17
Q

Mode of transmission of T s ??

A

Cysticercus cellulosae

521

18
Q

Cysticercosis lab diagnosis >??

A

AB detection in serum

524

18
Q

Mode of transmission of TSg&raquo_space;??

A

Cysticerous bovis

Eating improperly ccooked beef containn larva of TSg

19
Q

Taeniasis lab diagnosis ?

A

Microscopic identification of eggs & proglottids in faeces

20
Q

Macroscopic examination of T ?

A

Whitish segments + Stool

21
Q

In specimen how to differentiate TS & TSg ??

A
  1. Length
  2. Scolex
  3. Suckers

524

21
Q

Primary uterine branches of TS ??

A

5-10

22
Q

Primary uterine branches of T Sg ??

A

5-10

22
Q

Cysticercosis occured by whom???

A

Cysticercus cellulosae , larval stage of T S in man

524

23
Q

Cysticercosis mode of infection of man ??

A
  1. Fecal-oral route
  2. Auto infection
  3. Reversal of peristaltic movements

525

24
Q

Clinical features of Cysticercosis ?? in skin ??

A

SC nodules

25
Q

Cysticercosis in brain ??

A
  1. Headache
  2. Vomiting
  3. Seizures
  4. Meningoencephalitic syndrome

525

25
Q

Pathogenesis of Cysticercosis by one name ???

A

Cysticerci

525

26
Q

Spinal cord manifestation ??

A

Paralysis

27
Q

Eye manifestation ??

A
  1. Uveitis
  2. Retinitis
27
Q

Muscle manifestation ??

A

Myositis

28
Q

In testinal lesion in cystticercosis ???

A
  1. Anorexia
  2. Diarrhoea

525

29
Q

Which T more dangerous ??

A

T solium as cause - cysticercosis

526

30
Q

Tx of cysticercosis ??

A
  1. Praziquantel
  2. Albendazole

526

31
Q

Dx of Cysticercosis ??

A

Detection of AB to T solium antigens in the serum & CSF

526

32
Q

Which T is more common in BD ??

A

T saginata
as beef consumption is&raquo_space;> pork

527

33
Q

How total number of worm is calculated ???

A

No of SCOLEX

527

34
Q

How ventricular cysticerci is identify ??

A

MRI of brain q

526

35
Q

Spinal cysticerci how identified >??

A

Myelography

526

36
Q

How AB is identified ???

A

Serum & CSF enzymes immunoassays & Western blot testing for anticysticercal AB

526

37
Q

Definitive & Intermediate host of T solium ??

A

Man

527

37
Q

Atg in serum & CSF identified by ??

A

ELISA

526

38
Q

Prevention of Taeniasis ?

4 POINT

A
  1. Sanitary disposal of human feces
  2. Meat inspection
  3. Adequate cooking
  4. Freezing / salting -15c

527

39
Q

Main site of cysticerci ???

A

Brain & eyes

517

40
Q

T Sg in ovaries ???

A

2 in number
NO accessory lobe

519

Microbiology -Medical (29 decks)

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