Mechanical Injuries Multiple Choice Questions
Question 1. Brush burn is a type of:
Table of Contents
- Thermal injury
- Mechanical injury
- Chemical injury
- Electrical injury
Answer: 2. Mechanical injury
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Question 2. Medicolegally the most significant wound is:
- Incised wound
- Lacerated wound
- Abrasion
- Stab wound
Answer: 3. Abrasion
Question 3. The most significant difference between an incised wound and incised looking laceration over the scalp is:
- Irregular margins
- Undermined edges
- Marginal abrasion
- Crushed hair bulb
Answer: 4. Crushed hair bulb
Question 4. A split laceration is usually seen over all the regions, except;
- Chin
- Forehead
- Shin
- Buttock
Answer: 4. Buttock
Question 5. The shape of a stab wound mostly depends upon;
- Mode of withdrawal
- Amount of force
- Direction of force
- The shape of the knife
Answer: 1. Mode of withdrawal
Question 6. The green color of a healing contusion is due to;
- Hemoglobin
- Hemosiderin
- Biliverdin
- Bilirubin
Answer: 3. Biliverdin
Question 7. The evidential proof of the weapon by comparing the hair adherent over it with the plucked scalp hair around the laceration is;
- Primary evidence
- Direct evidence
- Hirsute evidence
- Secondary evidence
Answer: 3. Hirsute evidence
Question 8. Scab or crust of abrasion appears brown;
- Between 12-24 hours
- Between 2-3 days
- Between 4-5 days
- Between 5-7 days
Answer: 2. Between 2-3 days
Question 9. The wound caused by a curved weapon such as a sickle is;
- Stab wound
- Incised wound
- Stab and incised wound
- Laceration
Answer: 3. Stab and incised wound
Question 10. Concealed puncture wounds are seen over the following regions except;
- Nape of neck
- Inner canthus of the eye
- Wrist
- Vagina
Answer: 3. Wrist
Question 11. Which one of the following is true of antemortem abrasions?
- Bright red color
- Exudation of serum is more
- Vital reactions are seen
- All of the above
Answer: 4. All of the above
Question 12. A person will bruise readily in all the following except;
- Hemophilia
- Scurvy
- Vitamin K deficiency
- Anemia
Answer: 4. Anemia
Question 13. Minor trauma results in major damage in all the following sites, except;
- Neck
- Abdomen
- Back of trunk
- Scrotum
Answer: 3. Back of trunk
Question 14. Parallel bruise (double line with an intervening space) could be caused by;
- Whip
- Wrist
- Cycle chain
- Double-edged weapon
Answer: 1. Whip
Question 15. All are true regarding a bruise, except;
- Turns blue in a day
- Green in 5 to 7 days
- The final color is yellow
- By the end of two weeks, only a scar is present
Answer: 4. By the end of two weeks, only a scar is present
Question 16. Bite marks is an example of;
- Pressure abrasion
- Grazed abrasion
- Scratch abrasion
- Patterned abrasion
Answer: 4. Patterned abrasion
Question 17. No color change is seen in subconjunctival hemorrhage is due to;
- Continuous CO2 supply
- A little amount of blood is present
- Continuous O2 supply
- Color changes do occur but are not visible to the naked eye
Answer: 3. Continuous O2 supply
Regional Injuries Multiple Choice Questions
Question 1. The most common intracranial hemorrhage following a blunt impact to the head is:
- EDH
- SDH
- SAH
- Brainstem hemorrhage
Answer: 2. SDH
Question 2. The commonest source of hemorrhage in extradural hemorrhage is:
- Anterior meningeal artery
- Posterior meningeal artery
- Middle meningeal artery
- Middle meningeal vein
Answer: 3. Middle meningeal artery
Question 3. Fracture of the overlying skull bone is virtually always present with:
- Epidural hemorrhage
- Subdural hemorrhage
- Subarachnoid hemorrhage
- Intracerebral hemorrhage
Answer: 1. Epidural hemorrhage
Question 4. The most common cause of spontaneous subarachnoid hemorrhage is due to rupture of:
- Arteriosclerotic aneurysm:
- Berry aneurysm
- Cirsoid aneurysm
- Mycotic aneurysm
Answer: 2. Berry aneurysm
Question 5. The following are the similarities of epidural and subdural hemorrhage,:
- Symptoms of cerebral compression
- Traumatic episode
- Swelling of the temporalis muscle
- Existence of lucid interval
Answer: 4. Existence of lucid interval
Question 6. The most common cause of death of a boxer during or soon after the fight is:
- Epidural hemorrhage
- Subdural hemorrhage
- Subarachnoid hemorrhage
- Intracerebral hemorrhage
Answer: 2. Subdural hemorrhage
Question 7. One of the following types of skull fracture is caused by combined effects of local indentation and general deformation of skull:
- Spider web fracture
- Depressed fracture
- Depressed comminuted fracture
- Fissured fracture
Answer: 1. Spider web fracture
Question 8. One of the following traumatic lesions is virtually never due to contrecoup force:
- Brain contusion
- Brain laceration
- Subdural hemorrhage
- Epidural hemorrhage
Answer: 4. Epidural hemorrhage
Question 9. The commonest site of contrecoup fracture in an occipital fall is:
- Parietal bone
- Temporal bone
- Orbital roof
- Ethmoidal bone
Answer: 3. Orbital roof
Question 10. Whiplash injury occurs in:
- Pedestrian hit from the front
- Pedestrian hit from behind
- The occupant of a car
- Any of the above
Answer: 3. Occupant of a car
Question 11. A sack of rice falls on the head of a 22-year-old male. The likely fracture is:
- Comminuted
- Sutural
- Depressed
- Gutter
Answer: 2. Sutural
Question 12. Concussion is characterized by:
- Contusion of brain
- Post-traumatic amnesia
- Irreversible brain damage
- None of the above
Answer: 2. Post-traumatic amnesia
Question 13. Fracture ala signature is:
- Gutter fracture
- Depressed fracture
- Ring fracture
- Sutural separation
Answer: 2. Depressed fracture
Question 14. Pond’s fracture is most common in:
- Children
- Elderly
- Adolescent
- Middle-aged women
Answer: 1. Children
Question 15. A depressed fracture of the skull is caused by:
- A light blunt force
- A heavy blunt force
- Fall on a level road
- A heavy blunt object with a small striking surface
Answer: 4. A heavy blunt object with a small striking surface
Question 16. Gutter fractures of the skull are most often seen with:
- Axe injury
- Stick injury
- Stone injury
- Bullet injury
Answer: 4. Bullet injury
Question 17. Impact fractures are characteristically found in:
- Pelvis
- Skull
- Vertebra
- Calcaneum
Answer: 2. Skull
Question 18. The commonest site of rupture of the heart due to blunt injury chest is:
- Right ventricle
- Left ventricle
- Left auricle
- Right auricle
Answer: 4. Right auricle
Medicolegal Aspects Of Injuries Multiple Choice Questions
Question 1. The similarity between legal and medical definitions of injury is:
- Injury to the body
- Injury to the mind
- Damage to property
- Damage of Reputation
Answer: 1. Injury to the body
Question 2. A 25-year-old person sustained an injury in the right eye. He developed right corneal opacity following the injury. The left eye was already having poor vision. Corneoplasty of the right eye was done and vision was restored Medicolegally such injury is labeled as:
- Grievous
- Simple
- Dangerous
- Serious
Answer: 1. Grievous
Question 3. Killing in self-defense comes under
- Murder
- Justifiable homicide
- Excusable homicide
- Culpable homicide
Answer: 3. Excusable homicide
Question 4. A person has been brought in casualty with history of road accidents. He had lost consciousness transiently and then gained consciousness, but again became unconscious. Most likely, he is having brain hemorrhage of:
- Intracerebral
- Subarachnoid
- Subdural
- Extradural
Answer: 4. Extradural
Question 5. Self-infected artificial bruises are characterized by all of the following except:
- Small in number
- Not extensive
- Only on accessible parts
- Typical color changes
Answer: 4. Typical color changes
Question 6. Causing death under the following conditions does not amount to murder, except
- Premedication
- Provocation
- Private defense
- Public justice
Answer: 1. Premedication
Question 7. The following are the medicolegal significance of defense wounds:
- Sign of instinctive reaction of the victim
- Mandatory in all homicides
- The nature of the weapon can be identified
- The relative position of the victim and assailant can be presumed
Answer: 2. Mandatory in all homicides
Question 8. The following grievous wounds can be certified without consultation of an expert, except:
- Simple fracture of the tibia
- Erectile dysfunction
- Partially broken central incisor
- Nasal bone fracture
Answer: 2. Erectile dysfunction
Question 9. The tentative cut is a feature of:
- Fall from the height
- Homicidal assault
- Accidental injury
- Suicidal attempt
Answer: 4. Suicidal attempt
Forensic Ballistics Multiple Choice Questions
Question 1. Black gunpowder is composed of all the following, except:
- Sulfur
- Potassium nitrate
- Nitrocellulose
- Charcoal
Answer: 3. Nitrocellulose
Question 2. The following are features of a gunshot exit wound, except:
- Bigger than the entry wound
- Everted edges
- Protrusion of soft tissues
- Singeing and smudging
Answer: 4. Singeing and smudging
Question 3. The purpose of choking of a firearm is to:
- Prevent the early dispersion of pellets
- Minimize sound
- Minimize smoke emission
- Cause maximum destruction
Answer: 1. Prevent the early dispersion of pellets
Question 4. Death by suicidal gunshot wound usually can be confirmed by:
- Fingerprint on the gun
- Blood on the gun
- Gun in hand
- Gunshot residues in the hand
Answer: 4. Gunshot residues in the hand
Question 5. Punched out inner table and craterlike outer table in the skull means:
- Chop wound
- Pond fracture
- Entrance wound
- Exit wound
Answer: 4. Exit wound
Question 6. The presence of a wad inside the entrance wound suggests the following except:
- Contact shot
- Close shot
- Smoothbore firearm
- Cannot be homicidal
Answer: 4. Cannot be homicidal
Question 7. Tandem bullet is:
- Where the nose is cut off
- Back-to-back fired bullet
- Is seen in the case of defective weapon
- Present in body for long time
Answer: 2. Back-to-back fired bullet
Question 8. What is a paradox gun:
- A shotgun with a smooth barrel
- A shotgun whose muzzle end is rifled
- A shotgun whose muzzle wider
- A rifle that fires a single ball
Answer: 2. A shotgun whose muzzle end is rifled
Question 9. Gunshot residue on hands can be detected by:
- Phenolphthalein test
- Dermal nitrate test
- Benzidine test
- Hydrogen activation analysais
Answer: 2. Dermal nitrate test
Question 10. In which of the following weapons empty cartridge case is ejected after firing:
- Short gun
- Revolver
- Pistol
- Rifle
Answer: 3. Pistol
Question 11. In firearm injury, entry wound blackening is due to:
- Flame
- Hot gases
- Smoke
- Unburnt powder
Answer: 3. Smoke
Question 12. Blackening and tattooing of skin and clothing can be best demonstrated by:
- Luminol spray
- Infrared photography
- Ultraviolet light
- Magnifying lens
Answer: 2. Infrared photography
Question 13. A stellate wound is produced when the projectile is discharged at a distance of:
- Contact range
- Close range (up to 1 meter)
- Near range (up to 4 meters)
- Long range (above 4 meters)
Answer: 1. Contact range
Question 14. The caliber of a rifled firearm is calculated by:
- Distance between a land and a groove
- Distance between two diagonally opposite lands
- Distance between two diagonally opposite grooves
- The number of lead balls that could be made from one pound of lead
Answer: 2. Distance between two diagonally opposite lands
Question 15. The bullet that fragments on impact is called;
- Duplex bullet
- Dum-dum bullet
- Frangible bullet
- Soft point bullet
Answer: 3. Frangible bullet
Question 16. In a firearm injury, there is burning, blackening, and tattooing around the wound, and is circular in shape is;
- Close shot
- Close contact shot
- Contact shot
- Distant shot
Answer: 1. Close shot
Question 17. The brain of the cartridge is;
- Gunpowder
- Projectile
- Primer
- Wad
Answer: 3. Primer
Question 18. All are tests for the detection of metals around the entry wound is done by all, except;
- Harrison and Glory test
- Atomic absorption spectrometry
- Neutron activation analysis
- Paraffin test
Answer: 4. Paraffin test
Question 19. In blast injuries, the most common internal organ to be affected is;
- Eardrum
- Stomach
- Lungs
- Liver
Answer: 1. Eardrum
Thermal Injuries Multiple Choice Questions
Question 1. All of the following are systemic effects of heat exposure, except:
- Internal organ burn
- Heat syncope
- Heat exhaustion
- Heat rigor
Answer: 1. Internal organ burn
Question 2. The following are signs of antemortem burns except:
- Soot in the stomach
- Soot in the bronchi
- Pugilistic attitude
- Carboxyhemoglobin
Answer: 3. Pugilistic attitude
Question 3. Flame burns differ from scalding in the following aspects, except:
- Soot deposition
- Blistering
- Charring
- Singeing
Answer: 2. Blistering
Question 4. The following are the findings of heat hematoma in antemortem burns, except:
- Charring of the overlying bone
- Spongy in texture
- Chocolate brown in color
- Absence of carboxyhemoglobin
Answer: 4. Absence of carboxyhemoglobin
Question 5. What is wrong about heat hematoma?
- It is antemortem
- Friable
- Seen in charred body
- Frontal area
Answer: 1. It is antemortem
Question 6. A 25 years female was found in a room with 100% burns on her body. The tongue was protruding out; the body was in a pugilistic attitude with heat ruptures, peeling of the skin, and heat hematoma and heat fractures of the skull. Carboxy¬hemoglobin was 25% and soot particles were present in the trachea. Which of the combinations of two findings will establish that the burns were antemortem in nature:
- Heat hematoma and heat ruptures
- Heat fracture of the skull and peeling of skin
- Heat hematoma and pugilistic attitude
- Carboxyhemoglobin (25%) and soot particles in the trachea.
Answer: 4. Carboxyhemoglobin (25%) and soot particles in the trachea.
Electrical And Lightening Injuries Multiple Choice Questions
Question 1. Which one of the following causes “joule burns”;
- Lightening
- Electrocution
- Radiation injury
- Thermal injury
Answer: 2. Electrocution
Question 2. Arborescent burns is caused by;
- Physical force
- Hot flame
- Radiation
- Electricity
Answer: 4. Electricity
Question 3. A dead body is found to have marks like the branching of a tree on front of the chest. The most likely cause of death could be due to;
- Fire-arm
- Lightening injury
- Injuries due to bomb blast
- Road traffic accident
Answer: 2. Lightening injury
Question 4. Filigree burns are;
- Lightening injury
- Thermal burns
- Chemical burns
- Radiation burns
Answer: 1. Lightening injury
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