Reproductive health — A/L Biology

How do I practise Reproductive health?

1 question with a worked solution

1. Which sexually transmitted infection (STI) is caused by the spirochete bacterium Treponema pallidum and typically manifests in its primary stage as a painless ulcerated chancre?
   1. A) Syphilis
   2. B) Trichomoniasis
   3. C) Gonorrhoea
   4. D) Genital herpes
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   Correct answer: A) Syphilis

   Syphilis is caused by the helical bacterium Treponema pallidum. Primary syphilis presents with a solitary, painless genital ulcer (chancre); secondary syphilis involves skin rashes; tertiary syphilis causes systemic cardiovascular and neurological damage (gummas, neurosyphilis).

   Show worked solution

   Step 1: Match STIs with causative agents: - Gonorrhoea: Neisseria gonorrhoeae (Gram-negative diplococcus) - Genital herpes: Herpes simplex virus (HSV-2) - Trichomoniasis: Trichomonas vaginalis (flagellated protozoan) - Syphilis: Treponema pallidum (spirochete bacterium) Answer: Syphilis.
   Modelled on: the A/L Biology examination pattern

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Where does Reproductive health fit in the syllabus?

Year 2 · Term 1