NURSING EXAM QUESTIONS
PATHOLOGY AND GENETICS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -Knowledge of maggot mass temperatures through time is vital to the estimation of PMI, because maggots are able to increase their own temperature through extra-oral metabolic heat production, thus speeding their development.
Detailed explanation-2: -The oldest stage of insect present along with the predictable colonization and development rates allow forensic entomologists to estimate the time of death. The insects rate of development depends on ambient temperatures which is why temperature data is needed.
Detailed explanation-3: -The underlying principle is as follows: Certain species of flies lay their eggs in the tissue of a corpse as early as one to two hours after death. A few days later, maggots hatch and grow in size with each passing day.
Detailed explanation-4: -The best investigated method of estimating the time since death is postmortem body cooling described by the two-exponential model of Marshal and Hoare and the nomogram method developed by Henssge. The rectal temperature time of death nomogram should be used as the leading method for estimating the time since death.