Rigor Mortis

Stiffness in the muscles after death is called

• Algor Mortis

• Rigor Mortis

• Livor Mortis

Muscle Filaments are composed of

• Intermediate filaments and Microtubules.

• actin and myosin

• macrofilaments and microfilaments

• Intermediate filaments and myosin

What are the two components needed for muscle contractions to occur

• Nitrogen and energy

• Calcium and ATP

• Sulfur and Hydrogen

• Calcium and Oxygen

What is necessary to help unlock the actin chain

• Potassium

• Hydrogen

• Calcium

• Oxygen

What is necessary to help myosin attach to actin and cause the contraction motion

• Calcium

• ATP

• Hydrogen

• Oxygen

If a victim is in a hot area have they been dead for longer or a shorter amount of time than calculated?

• Longer than

• Shorter than

Tags

NGSS.HS-PS3-4

If a victim is in a cold area have they been dead for longer or a shorter amount of time than calculated?

• Longer than

• Shorter than

Tags

NGSS.HS-PS3-4

A body was found exhibiting rigor throughout the entire body. How long has that person been dead for

• 0-2 hours

• 2-6 hours

• 12 hours

• 15-36 hours

A body was found exhibiting rigor in the chest, arms, face, and neck. How long has that person been dead for?

• 0-2 hours

• 2-6 hours

• 12 hours

• 15-36 hours

A body was discovered with rigor present in the legs, but no rigor in the upper torso. How long has that person been dead for?

• 0-2 hours

• 2-6 hours

• 12 hours

• 15-36 hours