Question

In the first of its three stages, which potentially fatal STI can be treated and cured with antibiotics?

pubic lice

scabies

syphilis

human papilloma virus

Answer 1

Syphilis has recognised stages e.g. primary and secondary etc. Is easily cured by administration of penicillin. Which is often why don't see very advanced cases 

So your answer is C. 

Answer 2

Syphilis can be treated and cured with antibiotics