Assertion: Tetany is rapid spasm in muscle.
Reason: Tetany is usually caused by an increases in the blood calcium level.

Options

A. If both assertion and reason are true and reason is the correct explanation of assertion
B. If both assertion and reason are true but reason is not the correct explanation of assertion
C. If assertion is true reason is false
D. If both assertion and reason are false

Answer

c

Explanation

Tetany is a spasm and twitching of the muslces, particularly of face, hands and feet. Rapid spasms (wild contraction) in muscle is due to low `Ca^(2+)` in body fluid which may be due to underactive parathyroid gland.