SPIROCHETES Flashcards

1
Q

Genus under spirochetes are

A

Leptomonas
Borellia
Treponema

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2
Q

Gram stain characteristics of Spirochetes

A

Gram (-)

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3
Q

Motility of spirochetes

A

Corkscrew motility

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4
Q

Corkscrew motility must consist of

A

Axial filaments
Periplasmic flagella

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5
Q

Spirochetes may be view using

A

Dark field microscopy

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6
Q

Stain used for Spirochetes

A

Silver stain

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7
Q

Borellia is viewed in

A

Bright filled microscopy

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8
Q

Borellia is also known as

A

Blood spirochetes

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9
Q

Culture medium used for Borellia

A

Kelly medium

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10
Q

Diagnostic tool for Borellia

A

Sero test & Giemsa stain

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11
Q

Species under Borellia

A

B. Burgdorferi
B. Reccurentis
B. Parkeri
B. Duttoni
B. Harmesii

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12
Q

Clinical significance of B. Burgdorferi

A

Lyme disease

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13
Q

Lyme disease is transmitted by

A

Ixode ticks
Black legged ticks
Deer ticks

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14
Q

Stage 1: Lyme disease

A

Bull eye’s appearance
ECM (erythrema chronicum migrans)

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15
Q

Stage 2: Lyme disease

A

ECM Accumulation throughtout the body

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16
Q

Stage 3: Lyme disease

A

Chronic arthritis
Nurologic symptoms

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17
Q

B. Recurrentis clinical significance

A

Louse Borne Relapsing Fever

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18
Q

Arthropod asscociated in B. Recurrentis

A

Pediculus
Pendiculus capitis (head)
Pendiculus corporis (body)

19
Q

Arthropod associated harmessi, duttoni, parkeri

A

Soft ticks, Ornithodoros ticks

20
Q

Leptomonas Characteristics

A

Tightly coiled, one or more are bent appears like a hook

21
Q

Culture used for Leptomonas

A

Fletchers Media

22
Q

microscopy used for leptomonas detection

A

Dark-filled
Fluorescence
Phase-contrast

23
Q

Species under Leptomonas that causes animal and human LEPTOSPIROSIS

A

L. Interrogans

24
Q

2 phase of leptospirosis

A

Anicteric
Icteric

25
Q

Anicteric phase happens when there is

A

High fever, rashes, septicemia

26
Q

Leptosipirosis: Icteric phase

A

Kidney and liver

27
Q

Leptospirosis: Icteric specimen

A

Blood CSF - 1st week specimen
Urine - 2nd wek specimen

28
Q

HALLMARK immune response of Leptos

A

Aseptic Meningitis

29
Q

Severe form of Leptos

A

Weil’s disease

30
Q

Gold standard for diagnosis of Leptospirosis

A

Microscopic Agglutination test

31
Q

Spirochetes form through binary fission are

A

BORELLIA
LEPTOMONAS

32
Q

Spirochetes formed thourgh TRANSVERSE FISSION

A

Treponema

33
Q

Spirochetes with 4-14 coils

A

Treponema

34
Q

Trepomonas is non-culturable in

A

VITRO

35
Q

Substance needed to maintain live treponema

A

Testicle chancre of rabbit

36
Q

Clinical significance of T. Pallidum

A

French disease, syphilis, Great pox

37
Q

Primary syphilis

A

Genital lesion (hard/huntarian lesion)

38
Q

Secondary lesion

A

Extragenital lesion (condyloma latum)

39
Q

Latency phase of Syphilis

A

Absence of lesion, + blood test

40
Q

Tertiary

A

Deep organ lesion (gumma’s)

41
Q

3 subspecies of T.pallidum

A

T.P perteu - Yaws frambresia
T.P carateneum - Pinta
T.P endemicum - Bejel/endemicum syphihlis

42
Q

T. Cuniculi clinical significance

A

Venereal spirochetosis

43
Q

T.vincentii clinical significance

A

Trench mouth
Vincent’s stomatitis