Trichomonas Vaginalis

Question 1

Habitat of trichomonas vaginalis

Answer 1

Genital tract
Male - urethra, seminal vesicles
Female - vagina, urethra

Question 2

Morphology of trichomonas vaginalis

Answer 2

Pear shaped
Length 7- 23 micro meters
Width - 5-15
Shows jerky or twitchy mobility
5 flagella. - 4 ant and 1 post, supported by costa

Question 3

Pathogenicity of trichomonas vaginalis

Answer 3

It’s an obligate parasite which causes mild vaginitis with discharge
Mediated by cell to cell adhesion, hemolysis and release of pore forming protiens

Question 4

Life cycle of trichomonas vaginalis

Answer 4

•It is an obligate parasite
•Trophozoite is the infective stage
•Divided by binary fission
•Baby can get infected during birth
•Incubation period Is 10 days
•Vaginal ph becomes more than 4.5

Question 5

Laboratory diagnosis for trichomonas vaginalis

Answer 5

1.Microscopic examination:
Wet mount of Vaginal discharge or scraping, examination of saline mount
2. Elisa
3. PCR

Question 6

The following stains are used for microscopy for trichomonas vaginalis

Answer 6

1.Papanicolaou
2. Geimsa
3. Leishman
4. Acid schiff

Question 7

The following media are used for trichomonas vaginalis

Answer 7

1. Trussel and johnson’s media - consist of proteose, peptone, back, sodium thioglycollate and normal human serum
2. Simplified trypticase serum medium

Question 8

Ph and temp for culture of trichomonas vaginalis

Answer 8

35°c to 37°c
Ph 5.5 to 6

Question 9

Steps for preventing trichomonas vaginalis

Answer 9

1. Avoidance of sexual contact with infected person
2. Use of condom

Question 10

Treatment for trichomonas vaginalis

Answer 10

Metronidazole 250mg x 3 days
Or 2gm x Dose
Tropically, clotrimazole 100mg x 7 days