Time of death and decomposition Quiz
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5 questions, one answer each
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1. A body has a rectal temperature of 25.0 °C. Assuming it was 37.0 °C at death and cooled at 1.5 °C per hour, how long ago did the person die?
- A. 4 hours
- B. 8 hours
- C. 12 hours
- D. 18 hours
2. What causes the stiffness of rigor mortis?
- A. Lack of ATP, so myosin cannot detach from actin
- B. Too much ATP
- C. Lack of calcium ions
- D. Production of lactic acid only
3. The oldest blowfly larvae on a body are 6 days old. What can be concluded?
- A. Death was exactly 6 days ago
- B. Death was at least about 6 days ago
- C. Death was less than 6 days ago
- D. Death was 6 hours ago
4. How do saprotrophs digest dead material?
- A. By engulfing it by phagocytosis
- B. By secreting enzymes onto it and absorbing the soluble products
- C. By photosynthesis
- D. By anaerobic respiration only
5. Which is released into the atmosphere when saprotrophs respire the products of digestion?
- A. Oxygen
- B. Nitrogen
- C. Carbon dioxide
- D. Methane only