Question

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

• 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 but reason is false
• D. If both assertion and reason are false

Answer 1

Answer: (C)

Tetany is a spasm and twitching of the muscles, particularly of face, hands and feet. Rapid spasms (wild contractions) in muscle is due to low $C{a}^{2+}$ in body fluid which may be due to underactive parathyroid gland.