<prompt> Hypocalcemia is characterized by all exceptNumbness and tingling of circumoral regionHyperactive tendon reflexesShoening of Q-T interval in ECGCarpopedal spasm  <response>: Widening of Q-T interval in ECG is seen in hypocalcemia.Perioral numbness, Carpopedal spasm, tetany and hyperactive tendon reflexes are noted.Trousseau sign, Chovstek;s sign elicit latent tetany. 