STD Overview Flashcards

1
Q

Which STDs can cause genital ulcers?

A

HSV-2 and 1
Primary Syphillis: Trepenoma Pallidum
LGV: Chlamydia Trachomatis L1-L3
Chancroid: Haemophilis ducreyi

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2
Q

What causes primary syphillis?

A

Treponema pallidum

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3
Q

LGV stands for

A

Lymphogranulocytic venerium

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4
Q

What is the main way we diagnose a herpes infection?

A

Blood PCR test….this is wrong in the handout

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5
Q

See notes for treatment stuff

A

ok

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6
Q

Recurrent cold sores always in same spot. Why

A

Because that’s the area served by the neuron which the HSV lays latent in.

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7
Q

Treponema pallidum

A

Syphillis

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8
Q

What is the structure of treponema pallidum

A

Spirochete

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9
Q

Primary syphillis characterized by

A

Chancre

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10
Q

Secondary syphillis characterized by

A

Maculopapular rash

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11
Q

Tertiary syphillis characterized by

A

Granulomas called Gummas, dementia, aortic aneurysm

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12
Q

DOC for syphillis

A

penicillin

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13
Q

Syphillis chancres are:

A

painless whereas HSV is painful

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14
Q

Lesions on palms and soles

A

Secondary syphillis ( or RMSF or hand foot mouth dz) these are the only options

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15
Q

LGV ?

A

Caused by chlamydia trachomatis L1-3

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16
Q

LGV presentation

A

Swollen inguinal glands around the site

17
Q

Chancroid looks like —–, but is ———

A

syphillis, painful

18
Q

Is there a prodrome associated with herpes?

A

yes. can be. Can see fever and headaches before it occurs

19
Q

How can you visualize treponema palidum under the microscope without using antibodies?

A

Darkfield microscopy

20
Q

Neisseria Gonorrhoeae microbiological characteristics

A

Oxidase +, gram negative diplococcus (kidney beans)

21
Q

Neisseria Gonorrhaeae is resistant to permanent immunity due to?

A

antigenic variation