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Year 3 Repro (JK) > Sexually transmitted infections > Flashcards

Sexually transmitted infections Flashcards

1
Q

Commensal micro-organism

A

a micro-organism that derives food or other benefits from another organism without hurting or helping it

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2
Q

Pathogen

A

A micro-organism that can cause disease

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3
Q

Infection

A

The invasion of all or part of the body by a micro-organism

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4
Q

Difference between sub-clinical and clinical infection

A

sub-clinical has no symptoms but clinical does

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5
Q

Sexually transmissible microbe

A

A virus, bacteria or protozoan spread by sexual contact

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6
Q

Sexually transmitted infection

A

An infection by a pathogen which is sexually transmissible and unlikely to be transmitted by non-sexual means

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7
Q

Examples of STI

A

HPV type 6

Neisseria gonorrhoea

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8
Q

Sexually transmitted disease

A

a disorder of structure or function caused by a sexually transmitted pathogen

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9
Q

Examples of STD

A

Pelvic inflammatory disease

genital warts

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10
Q

Venereal diseases of 1916

A

syphilis
gonorrhoea
chancroid

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11
Q

Other STI’s in the UK - bacteria

A

bacterial - chlamydia trachomatis, klebsiella granulomatis, mycoplasma genitalium

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12
Q

organism in syphilis

A

treponema pallidum pallidum

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13
Q

organism in gonorrhoea

A

Neisseria gonorrhoea

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14
Q

Organism in chancroid

A

haemophilus ducreyi

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15
Q

STI viruses in UK

A

HSV, HIV, HPV, molluscum contagiosum

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16
Q

Parasite STI in UK

A

pthirus pubis
sarcoptes scabei
trichomonas vaginalis

17
Q

Characteristics of STI

A

transmissible
asymptomatic?
manageable but not always curable eg HIV,HSV
avoidable

18
Q

Implications of the characteristics of an STI

A

partner notification
hard to eradicate - prevention and education
treat and prevent complications

19
Q

Type of sex from least to most chance of catching an infection

A 
mutual masturbation 
genitals touching 
oral sex 
vaginal sex 
anal sex
group sex
20
Q

Genital contact only - transmission

A

pubic lice, scabies, warts and herpes

21
Q

group sex - transmission

A

hep C

22
Q

Systemic symptoms and complications of STI

A

fever, lymphadenopathy, rash, malaise

infertility, cervical cancer, adverse pregnancy outcomes in syphilis

23
Q

3 reasons why STI’s are important

A

can cause morbidity and kill
drain on resources eg IVF, HIV meds, freezing warts
they are common

24
Q

How many STI’s are acquired a day?

A

1M

25
Q

How many people worldwide have genital herpes and HIV?

A

herpes - 500M

HIV - 37M

26
Q

WHO STI 2016-2021 aim

A

zero new infections, STI related complications and deaths and zero discrimination

27
Q

Changes in diagnoses of STI - 2 reasons why?

A

true change in number of cases

change in diagnoses `

28
Q

Change in number of cases reasons

A

more sex, alcohol, beer goggles formula

29
Q

Change in number of diagnoses reasons

A

greater awareness of STI’s - more testing

better tests - NAAT vs enzyme immunoassay

30
Q

What is meant by a core?

A

people have sex with similar peope and high prevalence within a subpopulation eg syphilis and HCV

31
Q

What is meant by a chain of mixing?

A

some cores are very big and random mixing leads to a low prevalence but wider dissemination along chains

32
Q

Sexual history questions

A 
last sexual encounter 
male or female?
condoms?
contraception 
type of sex 
casual vs regular 
nationality of contact
33
Q

risk assessment for a man

A 
sexual contact with a man
IVDU?
Sex with someone who is IVDU, outside UK
medical procedures outwith UK 
sex industry
34
Q

2 types of partner notification

A

patient tells - client referral

NHS tells - provider referral

35
Q

Why offer further STI testing?

A

most STI’s are risk factors for HIV acquisition and transmission
if have 1 could have another

36
Q

3 areas of health promotion

A

condoms (for chlamydia, HIV, gonorrhoea but not for HSV, warts)
oral sex carries risks (fellatio)
alcohol and drugs

37
Q

How will eradication of STI’s come?

A

vaccines

Year 3 Repro (JK) (33 decks)

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