NEET 2019 Model Question Paper 3

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Question : 45 of 180
 
Marks: +1, -0
Hypocalcaemic tetany mainly occurs due to
a) Underfunction of parathyroid gland
b) Hyper secretion of parathormone.
c) Hyposecretion of thyroid hormones.
d) When concentration of Ca+2 is less than normal.
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