Wounds

Question 1

Classify wounds according to the causative force.

Answer 1

1) Mechanical injuries
2) Thermal injuries
3) Chemical injuries
4) Miscellaneous injuries

Question 2

What are the types of mechanical injuries?

Answer 2

1) Blunt force injuries
2) Sharp-edged weapon injuries
3) Piercing weapons
4) Firearm weapons

Question 3

What are the medicolegal classifications of injuries?

Answer 3

1) Suicidal injury
2) Homicidal injury
3) Accidental injury
4) Defense wounds
5) Fabricated wounds

Question 4

What is the legal classification of wounds?

Answer 4

1) Simple wounds (heal <20 days OR leave no permanent infirmity)
2) Dangerous wounds (heal >20 days OR leave permanent infirmity)
3) Fatal wounds (leads to death)

Question 5

What are the forces acting over a body?

Answer 5

1) Tensile force (traction strain)
2) Compressive force (compression strain)
3) Shearing force (shear strain)

Question 6

What are the factors influencing the causation of wounds?

Answer 6

1) The nature of the object
2) The amount of energy discharge during impact
3) Conditions under which the energy is discharged
4) Nature of tissue affected

Question 7

Which is more important: the velocity or the weight of a weapon?

Answer 7

The velocity

Question 8

What is an abrasion?

Answer 8

A type of mechanical injury characterized by loss of epidermis or mucous membrane due to application of mechanical force

Question 9

The mechanical force producing an abrasion acts on the skin in one of two ways:

Answer 9

1) Sliding force (Friction)
2) Compression force

Question 10

What are the factors affecting contusions?

Answer 10

1) Condition of tissue
2) Body part
3) Situation of bruise
4) Condition of blood vessels
5) Presence of disease
6) Sex
7) Age
8) Skin color
9) Optical character of skin

Question 11

What are the types of lacerated wounds?

Answer 11

1) Split laceration
2) Stretch laceration
3) Tear laceration
4) Avulsion laceration
5) Crush laceration
6) Cut laceration

Question 12

What are the features of a lacerated wound?

Answer 12

1) Bruised margins
2) Crushed vessels
3) Irregular edges
4) Nerve bridges
5) Tissue bridges

Question 13

What are the features of incised wounds?

Answer 13

1) Clean cut vessels and nerves
2) Clean margins
3) Length is greater than depth
4) Tailing
5) Hemorrhage

Question 14

How are stab wounds classified?

Answer 14

1) Based on depth of wound
a) Penetrating
b) Perforating

2) Based on causative weapon
a) Incised
i) Penetrating
ii) Perforating
b) Lacerated
i) Penetrating
ii) Perforating