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Microbiology > Other STIs > Flashcards

Other STIs Flashcards

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Biology 101 flashcards
1
Q

What are some characteristics of HPV ?

A
  • common and often asymptomatic
  • untreated in women can lead to cervical cancer
  • more than 100+ types of variances
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2
Q

What are some characteristics of HSV (herpes simplex virus) type 1 ?

A
  • 5 to 10% of genital herpes lesions
  • primarily found in trigeminal ganglion (nerve cells near the ear)
  • near lower lip or face
  • primarily causes oral-labial lesions
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3
Q

What are some characteristics of HSV (herpes simplex virus) type 2 ?

A
  • 90 to 95% of all genital herpes lesions
  • lives in sacral dorsal root ganglia
  • base of the spine and tends to reoccur in the genital area
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4
Q

What bacteria causes Syphilis ?

A

treponema pallidium

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5
Q

What are the characteristics of stage 1 Syphilis ?

A
  • sores mostly on genitals but can also be in the mouth
  • 3-90 days after exposure
  • curable
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6
Q

What are some characteristics of stage 2 Syphilis ?

A
  • coppery looking rashes
  • 4 to 10 weeks after initial infection
  • curable
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7
Q

What are some characteristics of stage 3 Syphilis ?

A
  • affects internal organs
  • 3 to 15 yrs after initial infection
  • if you don’t get treated then this will occur
  • noncurable
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8
Q

What are some characteristics of Treponema Pallidum ?

A

causes syphilis
- gram (-) bacterium
- spirochete in shape
- usually in mucous membranes when infecting someone

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9
Q

How does antibiotic resistance happen ?

A
  1. lots of germs and some are drug resistant
  2. antibiotics kill the bacteria causing the illness as well as the good bacteria protecting the body from infection
  3. the drug resistant bacteria is now able to grow and take over
  4. some bacteria give their drug resistance to other bacteria
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10
Q

When getting tested for Chlamydia what other STI are they also tested for ?

A

Neisseria Gonorrhoeae
- tested for them together and vice versa but have different treatment plans

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11
Q

Why is a definitive diagnosis important for Chlamydia ?

A

symptoms of chlamydia resemble those of Gonorrhea

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12
Q

What are some general characteristics of Chlamydia ?

A
  • gram (-) obligate intracellular organism
  • non motile
  • ARE NOT VIRUSES
  • steals energy from its host because they can’t produce their own
  • women and men often are asymptomatic
  • have to be within the cell of an organism
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13
Q

Which Chlamydia in the whole family causes the STD pathogen ?

A

C. Trachomatis

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14
Q

What diseases can Chlamydia Trachomatis cause ?

A
  • trachoma
  • inclusion conjunctivitis
  • LGV (lymphogranuloma vernereum)
  • PID
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15
Q

In how many hours does transition of EB to RB occur with Chlamydia ?

A

6-12 hrs

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16
Q

In how many hours does replication of Chlamydia occur ?

A

12-24 hrs

17
Q

In how many hours does RBs reorganize back to EBs ?

A

24-36 hrs

18
Q

In how many hours does lysis or extrusion of Chlamydia occur ?

A

48-72 hrs

19
Q

With Chlamydia Trachomatis how do the cells appear under a microscope ?

A
  • chlamydia infected cells appear pink while uninfected cells appear blue upon staining with a dye
20
Q

What can happen to untreated Chlamydia in females ?

A

permanent damage to fallopian tubes
- can lead to future infertility and increased risk of ectopic pregnancy
- during pregnancy it can increase a woman’s risk of preterm labor

21
Q

What are some symptoms of Chlamydia ?

A
  • vaginal and penal discharges
  • abdominal pain
  • pain during micturition (UTI) symptoms
22
Q

What can be passed onto the baby with a mother with chlamydia ?

A

eye damage and pneumonia in newborns
- infected mother can pass the infection to baby during vaginal birth

23
Q

What are chlamydia symptoms in men ?

A
  • penile discharge
  • burning/painful urination
  • testicular swelling
24
Q

What are chlamydia symptoms in women ?

A
  • vaginal discharge
  • burning/painful urination
  • bleeding between periods
25
Q

What can untreated STDs lead to ?

A

PID (pelvic inflammatory disease)

26
Q

Why may men have lower chlamydia report rates ?

A

men can report less chlamydia testing or may be more likely to be asymptomatic

27
Q

What is Trachoma ?

A

bacterial infection that affects your eyes
- leading preventable cause of blindness worldwide
- most blinding trachoma occurs in poor areas of Africa

28
Q

How is Trachoma spread ?

A

spreading through contact with the eyes, nose or throat secretions of infected people, and from handkerchiefs
- contagious

29
Q

What causes adult inclusion conjunctivitis ?

A

sexually transmitted Chlamydia trachomatis
- a follicular trachomatis

30
Q

What does conjunctival scraping determine ?

A

whether chlamydia is present in cells taken from the conjunctiva

31
Q

Where is adult inclusion conjunctivitis rarely got from ?

A

contaminated, incompletely chlorinated swimming pool water

32
Q

What is Trichomoniasis ?

A

very common STC caused by the infection with a protozoan parasite called Trichomonas vaginalis

33
Q

What bacteria causes Trichomoniasis ?

A

Trichomonas Vaginalis

34
Q

What are the symptoms of Trichomoniasis in females ?

A

most people are asymptomatic
- grey or yellowish vaginal discharge
- vaginal and genital bleeding
- genital swelling
- frequent urge to urinate
- pain during sex

35
Q

What are symptoms of Trichomoniasis in males ?

A

most people are asymptomatic
- discharge from urethra
- burning during urination or after ejaculation
- urge to urinate frequently -

36
Q

What are examples of bacterial infection STIs ?

A
  • chlamydia
  • gonorrhea
  • syphilis
37
Q

What are examples of viral infection STIs ?

A
  • HPV
  • herpes (HSV)
  • hepatitis
  • HIV

Microbiology (18 decks)

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