Rigor Mortis
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Questions and Answers

Which of the following is NOT a focus of forensic pathology?

  • The effects of unnatural diseases on the human body
  • The effects of injury on the human body
  • The effects of natural diseases on the human body (correct)
  • The effects of trauma on the human body

What types of deaths are considered natural?

  • Deaths due to violence
  • Deaths due to accidents
  • Deaths due to poisoning
  • Deaths due to Covid-19 (correct)

Which circumstances may result in an unnatural death?

  • Deaths due to violence (correct)
  • Deaths due to natural diseases
  • Deaths due to accidents
  • Deaths due to lung infections

Which of the following is NOT a category of death that requires a post mortem examination?

<p>Death resulting from a heart attack (B)</p> Signup and view all the answers

What is the role of a forensic pathologist at the scene of death?

<p>To obtain clues and information at the scene (D)</p> Signup and view all the answers

What is the purpose of documenting signs of a struggle at the scene of death?

<p>To assist in determining the most likely weapon (C)</p> Signup and view all the answers

What examinations are necessary to reveal the real cause of death?

<p>All of the above (D)</p> Signup and view all the answers

Which of the following is NOT a possible sign that a death scene has been staged to look like a suicide?

<p>Tears on clothing (D)</p> Signup and view all the answers

What should be noted about the position of the body at a death scene?

<p>Whether rigor mortis and hypostasis match the position (D)</p> Signup and view all the answers

Which post mortem change is used to determine the time of death within the first 48 hours?

<p>Rigor mortis (A)</p> Signup and view all the answers

What causes the body to stiffen and limbs to be locked 'in place' after death?

<p>Formation of lactic acid in the muscles (D)</p> Signup and view all the answers

Which of the following is a function of a beating heart in a living person?

<p>To circulate blood (B)</p> Signup and view all the answers

What happens to the blood in the blood vessels of a deceased person if the heart is not circulating the blood?

<p>It settles/pools in the blood vessels under the influence of gravity (D)</p> Signup and view all the answers

What causes the purplish-red discoloration in hypostasis?

<p>The haemoglobin in the blood is not carrying oxygen anymore (C)</p> Signup and view all the answers

What is the purpose of the blanching test in determining if hypostasis is fixed?

<p>To determine if the hypostasis will change if the body is moved (A)</p> Signup and view all the answers

Which of the following factors may influence the period of development of rigor mortis (onset and persistence) other than environmental temperature?

<p>All of the above (D)</p> Signup and view all the answers

When does rigor mortis typically reach its maximum peak and how long does it persist in the body?

<p>Within 12-36 hours after death and persists for approximately 12-36 hours (C)</p> Signup and view all the answers

In what order does rigor mortis disappear in the body?

<p>In the same order it appeared (D)</p> Signup and view all the answers

What is the criminalistic value of rigor mortis?

<p>All of the above (D)</p> Signup and view all the answers

Which one of these statements about rigor mortis and cadaveric spasm is true?

<p>Both rigor mortis and cadaveric spasm can be used to determine time of death. (B)</p> Signup and view all the answers

Which one of these is a characteristic of cadaveric spasm?

<p>Cadaveric spasm occurs in the muscles of the arm and hand. (B)</p> Signup and view all the answers

Which one of these is NOT a circumstance under which cadaveric spasm has been documented?

<p>Drowning and mountain accidents where objects are found tightly grasped in the hands. (B)</p> Signup and view all the answers

Which one of these is true about rigor mortis and cadaveric spasm?

<p>Rigor mortis disappears when the full effect of decomposition sets in, while cadaveric spasm persists into the period of rigor mortis. (A)</p> Signup and view all the answers

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