Hair and Fiber Analysis — MCQs

Which test is used for detecting gunshot residue?

Which of the following involves the examination of pores on the skin for personal identification?

A bone marrow biopsy in a patient with suspected myelofibrosis shows atypical megakaryocyte proliferation. Which additional finding would confirm the diagnosis?

Which of the following is the least suitable source for DNA extraction?

A middle aged lady was found in a robbed room lying in a pool of blood. On forensic examination there was an entry wound of size around 2 x 2 cm on the left temporal region with tattooing and blackening around the wound. There was also an exit wound with beveling at the right temporal region. On further examination two bullet fragments were found inside the brain parenchyma. Which of the following could be used to determine the distance from which the weapon was fired?

The poison that can be detected in hair/bones long after death is:

A hair is found at a crime scene and you are asked to evaluate whether it is of human origin. Which of the following attributes indicates that the hair will be of human origin?

Which of the following statements best describes a key characteristic of fingerprint development?

A 55-year-old male is discovered in his apartment by neighbours who noticed a foul smell. The body is found supine on the floor. On examination at the scene, the investigating officer documents the following findings: posterior hypostasis with skin marbling visible over the back and limbs, lividity that does not blanch on digital pressure, and rigidity present in all major limb joints on physical testing. Based on these documented examination findings, what is the most accurate estimated postmortem interval?

Permanent impairment of fingerprints occurs in all except?