Low Ca ^ 2+ in the body fluid may be the cause of

NEET 2010 Biology question

Low in the body fluid may be the cause of

(1)Anaemia
(2)Angina pectoris
(3)Gout
(4)TetanyCorrect

Answer: (4)

Solution

A low level of Ca2+ in body fluids (hypocalcaemia, e.g. due to deficiency of parathyroid hormone) increases the excitability of nerves and muscles and causes rapid spasms (wild contractions) of muscles, called tetany. So

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Question ID VK-090593