TN MRB FORENSIC MEDICINE Model test 20

 

FORENSIC MEDICINE – 50 MCQs 

Model test 20



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Q1. Lucid interval is classically seen in which intracranial hemorrhage?

A. Subdural hematoma
B. Extradural hematoma
C. Subarachnoid hemorrhage
D. Intracerebral hemorrhage

Q2. The coup–contrecoup injury mechanism is best explained by:

A. Acceleration injury
B. Deceleration injury
C. Rotational injury
D. Penetrating injury

Q3. Pugilistic attitude in a burned body is due to:

A. Coagulation necrosis of skin
B. Heat stiffening of muscles
C. Rigor mortis
D. Cadaveric spasm

Q4. Which finding confirms ante-mortem burns?

A. Cherry red lividity
B. Heat ruptures
C. Line of redness
D. Epidural heat hematoma

Q5. Most reliable sign of death due to drowning:

A. Froth in nostrils
B. Washerwoman changes
C. Diatoms in bone marrow
D. Lung edema

Q6. Gettler test is used to differentiate:

A. Hanging vs strangulation
B. Freshwater vs seawater drowning
C. Ante vs postmortem burns
D. Carbon monoxide vs cyanide poisoning

Q7. The most common suicidal cut throat wound is:

A. Horizontal, deep
B. Oblique, left to right
C. Multiple shallow cuts
D. Vertical incisions

Q8. Hyoid bone fracture is most common in:

A. Hanging
B. Ligature strangulation
C. Manual strangulation
D. Throttling in children

Q9. Typical feature of ligature strangulation:

A. Oblique ligature mark
B. Inverted V-shaped mark
C. Horizontal ligature mark
D. Knot at occiput

Q10. The MOST reliable sign of sexual intercourse in a living female is:

A. Hymenal tear
B. Vaginal congestion
C. Seminal fluid detection
D. Pregnancy

Q11. Best sample for blood alcohol estimation:

A. Left heart blood
B. Right heart blood
C. Femoral vein blood
D. Portal vein blood

Q12. Time since death is MOST accurately estimated by:

A. Rigor mortis
B. Body temperature
C. Postmortem lividity
D. Gastric contents

Q13. Which poison produces garlic odor?

A. Arsenic
B. Phosphorus
C. Cyanide
D. Thallium

Q14. Cherry red coloration of lividity is seen in:

A. Carbon monoxide
B. Cyanide
C. Methanol
D. Nitrites

Q15. Which poison causes optic neuritis?

A. Ethanol
B. Methanol
C. Ethylene glycol
D. Isopropyl alcohol

Q16. Antidote for cyanide poisoning:

A. Atropine
B. Naloxone
C. Hydroxocobalamin
D. N-acetyl cysteine

Q17. In India, medico-legal autopsy is governed under:

A. IPC
B. CrPC Section 176
C. CrPC Section 174
D. Evidence Act

Q18. Age determination by ossification is LEAST reliable after:

A. 14 years
B. 18 years
C. 21 years
D. 25 years

Q19. Minimum age for valid consent for sexual intercourse in India (2024):

A. 16 years
B. 17 years
C. 18 years
D. 21 years

Q20. Cadaveric spasm differs from rigor mortis by:

A. Occurs in all deaths
B. Appears after rigor
C. Instantaneous onset
D. Affects large muscles first

Q21. Most common bone fractured in road traffic accidents:

A. Skull
B. Femur
C. Tibia
D. Clavicle

Q22. Patterned abrasion indicates:

A. Blunt force injury
B. Sharp force injury
C. Contact with object
D. Thermal injury

Q23. Defense wounds are commonly seen on:

A. Back
B. Thigh
C. Forearm
D. Chest

Q24. Which is a fabricated injury?

A. Incised wound
B. Self-inflicted wound
C. Defense wound
D. Patterned abrasion

Q25. Most common cause of sudden natural death in adults:

A. Stroke
B. Myocardial infarction
C. Pulmonary embolism
D. Aortic rupture

Q26. Rule of Hasse is used for:

A. Age of fetus
B. Time since death
C. Bone age
D. Time of delivery

Q27. Maceration of fetus occurs in:

A. Live birth
B. Stillbirth
C. Intrauterine death
D. Neonatal death

Q28. Hydrostatic lung test is used to determine:

A. Cause of death
B. Time since death
C. Live birth
D. Gestational age

Q29. Most reliable sign of live birth:

A. Crying
B. Aerated lungs
C. Milk in stomach
D. Umbilical cord changes

Q30. The poisonous snake with neurotoxic venom:

A. Viper
B. Cobra
C. Russell’s viper
D. Saw-scaled viper

Q31. Russell’s viper venom causes:

A. Neurotoxicity
B. Hemotoxicity
C. Myotoxicity
D. Cardiotoxicity

Q32. Most common suicidal poisoning in India:

A. Cyanide
B. Organophosphates
C. Barbiturates
D. Benzodiazepines

Q33. Organophosphate poisoning causes death by:

A. CNS depression
B. Respiratory paralysis
C. Cardiac arrhythmia
D. Renal failure

Q34. Antidote for organophosphate poisoning:

A. Naloxone
B. Atropine + Pralidoxime
C. Flumazenil
D. EDTA

Q35. Which injury is ALWAYS homicidal?

A. Stab wound
B. Gunshot wound
C. Chop wound on back
D. Cut throat

Q36. A hesitation cut is suggestive of:

A. Homicide
B. Accident
C. Suicide
D. Natural death

Q37. Best indicator of firearm range:

A. Blackening
B. Tattooing
C. Burning
D. All of the above

Q38. Which document has highest medico-legal value?

A. Discharge summary
B. Case sheet
C. Postmortem report
D. Wound certificate

Q39. Time limit for conducting postmortem ideally within:

A. 6 hours
B. 12 hours
C. 24 hours
D. No fixed limit

Q40. The MOST common manner of death by hanging is:

A. Accidental
B. Homicidal
C. Suicidal
D. Undetermined

Q41. Judicial hanging causes death due to:

A. Asphyxia
B. Vagal inhibition
C. Cervical spine fracture
D. Carotid compression

Q42. Which fracture is seen in throttling?

A. Hyoid
B. Mandible
C. Clavicle
D. Sternum

Q43. Best preservative for viscera in poisoning cases:

A. Formalin
B. Rectified spirit
C. Saturated saline
D. Glycerin

Q44. Formalin should NOT be used in suspected poisoning because:

A. Toxic
B. Interferes with analysis
C. Preserves organs poorly
D. Causes tissue shrinkage

Q45. Time since death estimation by potassium level is done from:

A. Blood
B. Vitreous humor
C. CSF
D. Urine

Q46. Which mark is seen in hanging?

A. Horizontal continuous
B. Oblique incomplete
C. Patterned bruise
D. Abrasion with contusion

Q47. A dying declaration can be recorded by:

A. Only Magistrate
B. Only Doctor
C. Police officer
D. Any person

Q48. Most common site of ligature knot in hanging:

A. Chin
B. Occiput
C. Side of neck
D. Front of neck

Q49. Age of criminal responsibility (IPC):

A. Below 7 years – absolute immunity
B. 7–12 years – full responsibility
C. Above 12 – partial immunity
D. No immunity

Q50. The “rule of three” in forensic medicine is used in:

A. Burns
B. Firearms
C. Skull fractures
D. Sexual offences

ANSWER KEY

  1. B

  2. B

  3. B

  4. C

  5. C

  6. B

  7. B

  8. C

  9. C

  10. D

  11. C

  12. B

  13. B

  14. A

  15. B

  16. C

  17. C

  18. C

  19. C

  20. C

  21. C

  22. C

  23. C

  24. B

  25. B

  26. A

  27. C

  28. C

  29. B

  30. B

  31. B

  32. B

  33. B

  34. B

  35. C

  36. C

  37. D

  38. C

  39. D

  40. C

  41. C

  42. A

  43. C

  44. B

  45. B

  46. B

  47. D

  48. C

  49. A

  50. A

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