Physiology Muscle contraction following nerve impulse involves following steps expect A Action potential across nerve muscle junction (NMJ) B Dopamine release at NMJ C Release of calcium form sarcoplasmic reticulum D Calcium initiates attractive forces between actin and myosin filament 💡 Explanation Muscle contraction following nerve impulse involves following steps expect ✓ Correct Answer: B. Dopamine release at NMJ