Question

Statement I: In cardiac muscle tissue, the communication junctions at some fusion points allow the cells to contract as a unit
Statement II:When one cell of cardiac muscle receives a signal to contract, its neighbours are also stimulated to contract

• A. Both statements I and II are correct and II explains I
• B. Both statements I and II are correct and II does not explain I
• C. Statement I is true and statement II is false
• D. Both statements I and II are false

Answer 1

Answer: (A)

In cardiac muscle tissue, the communication junctions (intercalated discs) at some fusion points allow the cells to contract as a unit because when one cell of cardiac muscle tissue receives a signal to contract, its neighbours are also stimulated to contract