Home › MCQs › MDCAT Biology › Question #4183
Back to Questions
MDCAT Biology QUESTION #4183
Question 1
The event that occurs first during skeletal muscle contraction?
  • Cross-bridge formation
  • Release of calcium from sarcoplasmic reticulum✔️
  • Power stroke
  • Myosin head binds to ATP
Correct Answer Explanation
Calcium release from sarcoplasmic reticulum is the first event that triggers muscle contraction.