Human Health And Disease

Answer (a) Melanoma cancer of skin

Answer (a) S

Step 1: Understanding the Question.
The question asks about the signs and symptoms associated with STIs.

Step 2: Analyzing the Options.
(i) Genital itching: This is a common symptom of many STIs.
(ii) Bleeding: Bleeding can be a sign of certain STIs, such as herpes or gonorrhea.
(iii) Normal pain: Normal pain is not a typical symptom associated with STIs.
(iv) Abdominal swelling: This can be a sign of pelvic inflammatory disease, an STI-related condition.
(D) (i), (ii), and (iv): Correct — Genital itching, bleeding, and abdominal swelling are common signs of STIs.

Step 3: Conclusion.
The correct answer is (D) (i), (ii), and (iv) because these are common symptoms of STIs.