What is rigor mortis primarily caused by?

Practice Questions

Q1
What is rigor mortis primarily caused by?
  1. Depletion of ATP
  2. Bacterial activity
  3. Dehydration of tissues
  4. Increased body temperature

Questions & Step-by-Step Solutions

What is rigor mortis primarily caused by?
  • Step 1: Understand that rigor mortis is a condition that happens after death.
  • Step 2: Know that muscles need a substance called ATP (adenosine triphosphate) to relax.
  • Step 3: After death, the body stops producing ATP.
  • Step 4: Without ATP, muscles cannot relax and they stay stiff.
  • Step 5: This stiffness in the muscles is what we call rigor mortis.
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