Male genitalia do not include A: Penis B: Scrotum C: Prostate gland D: Perineum

When do the testis descend into the scrotum in normal condition? () A: Fetal development B: Infancy C: Puberty D: Adulthood

A 48-year-old male had a sudden scrotal pain for 4 hours, which radiated significantly to the inguinal region. Physical examination revealed obvious redness and swelling of the right scrotum, increased skin temperature, and epididymis swelling as a lump, which was not easy to distinguish and had obvious tenderness, so the patient was most likely to be A: Acute cystitis B: Acute prostatitis C: Scrotum hernia D: Acute epididymitis

The patient's mouth is wet white, cleft lip, nasolabial fold and eyelid seborrheic dermatitis, scrotum redness, exudate, and fear of light tears, tongue pain. Most likely to be lacking(<br/>) A: Vitamin B1 B: Vitamin B2 C: Vitamin A D: niacin