What is cardinal signs of meningitis?

Correct option is B

Ans. (b) Kernig Sign
Sol. Kernig’s sign is a classic indicator of meningeal irritation. When the patient’s hip is flexed at 90 degrees, extension of the knee causes pain due to stretching of the inflamed meninges.
Explanation of each option:
· (a) Trousseau's Sign – Indicates hypocalcemia, not meningitis.
· (b) Kernig Sign – Correct. A diagnostic sign of meningitis.
· (c) Ortolani Sign – Used to detect hip dislocation in newborns.
· (d) Chvostek’s Signs – Also indicates hypocalcemia.