Human Identification Flashcards

(101 cards)

1
Q

Literal meaning of Corpus delicti?

A

Body of crime

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2
Q

Best bone for Race determination?

A

Skull

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3
Q

Best bone for Sex determination?

A

Pelvis

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4
Q

Best bone for Stature determination?

A

Femur

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5
Q

Stature contribution percentage of Femur?

A

27%

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6
Q

Stature contribution percentage of Tibia?

A

22%

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7
Q

Stature contribution percentage of Humerus?

A

20%

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8
Q

Most reliable definitive identification method?

A

Dactylography

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9
Q

Is DNA fingerprinting same for identical twins?

A

Yes

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10
Q

What is the mnemonic for race determination indices?

A

B: Brachial index (upper limb)
C: Cephalic index
C: Crural index (lower limb)
I: Intermembral index (compare upper and lower limb)

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11
Q

Formula for Cephalic Index?

A

(Max Breadth*100/Max Length)

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12
Q

Race with Cephalic Index 70–75 (Dolicocephalic)?

A

Aryans/Africans

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13
Q

Race with Cephalic Index 75–80 (Mesaticephalic)?

A

Indian/Chinese/europeans

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14
Q

Race with Cephalic Index 80–85 (Brachycephalic)?

A

Japanese

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15
Q

Muscle markings in males?

A

More prominent

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16
Q

Shape of male orbit/skull?

A

Square

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17
Q

Shape of female orbit/skull?

A

Round

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18
Q

Female obturator foramen shape?

A

Small, triangular

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19
Q

Shape of female orbit/skull?

A

Round

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20
Q

Female obturator foramen shape?

A

Small, triangular

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21
Q

Male obturator foramen shape?

A

Large, oval

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22
Q

Female pubis shape?

A

Square

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23
Q

Male pubis shape?

A

Triangular

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24
Q

Male mandibular angle?

A

< 120°

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25
Female mandibular angle?
> 120°
26
Male subpubic angle?
< 90°
27
Female subpubic angle?
> 90° (Obtuse)
28
Ischial tuberosity in females?
Everted
29
Best pelvic feature for sexing?
Greater sciatic notch
30
Male sciatic notch characteristics?
Deep/Narrow
31
Female sciatic notch characteristics?
Wide/Shallow
32
Shape of female pelvic inlet?
Circular
33
Shape of male pelvic inlet?
Heart-shaped
34
Index higher in males?
Corporobasal Width of S1/width of sacrum base
35
Female sacrum characteristics?
Shorter/Wider
36
Ashley’s Rule of 149 relates to?
Sternum Sternal length=manubrium+body >149mm=male <149mm=female
37
Krogman’s accuracy for Pelvis + Skull?
98% sex accuracy
38
Krogman’s accuracy for complete set?
100%
39
Index higher in females?
Sciatic/Ischiopubic
40
Most reliable age indicator in prepuberty?
Mineralization (Teeth)
41
Reliable age indicator in adults?
Pubic symphyseal surface change
42
GA formula for Hasse’s Rule (< 5 months)?
Sq root of crown heel length
43
GA formula for Morrison’s Rule (> 5 months)?
CHL/5
44
Ossification center appearing at birth?
Cuboid
45
Center at 5th month IUL (before viability)?
Calcaneum
46
Center at 36 weeks IUL?
Lower Femur
47
Ossification center appearing at birth?
Cuboid
48
Center at 5th month IUL (before viability)?
Calcaneum
49
Center at 36 weeks IUL?
Lower Femur
50
Age mandible halves fuse?
1–2 years
51
Medial end of Clavicle appearance age?
18–19 years
52
Medial end of Clavicle fusion age?
21–22 years
53
Mnemonic for elbow ossification?
C-capitate 1y R-Radius head 5y I-medial epicondyle 6y T- Trochlea 9y O-Olecranon tip 9y E-Lateral epicondyle 11y
54
Best joint to determine adult status (>18 yrs)?
Wrist Lower end of radius fusion occurs 18-19 y
55
Last carpal bone to appear (9–12 years)?
Pisiform 9-12y
56
First carpal bone to appear (2 months)?
Capitate
57
Twin bones in wrist according to appearance of carpal bones
Trapezium/Trapezoid
58
Fontanelle and closure at which age?
3-6m post(lambda) 18m ant.(bregma)
59
Age of Metopic suture closure?
9 months–2 years
60
Age of Spheno-occipital suture closure?
18–21 years
61
Sternum: Fusion of 4th segment with 3rd?
15 years
62
Sternum: Fusion of Xiphoid with Body?
40 years
63
Sternum: Fusion of 1st segment with 2nd?
25y
64
Sternum: Fusion of 2nd segment with 3rd?
20y
65
66
Total number of temporary teeth?
20
67
Which primary tooth erupts first?
Lower Central Incisor (at 6 months)
68
What is the order of eruption for primary teeth?
Lower C.I. Upper C.I. 1st molar Canine 2nd molar
68
Which primary tooth erupts first?
Lower Central Incisor (at 6 months)
69
At what age does the primary Canine erupt?
18 months
70
At what age does the primary 2nd molar erupt?
24m
71
Secondary (Permanent) Teeth Total number of permanent teeth?
32
72
Which permanent tooth erupts first?
First Molar at 6 years
73
At what age does the permanent Central Incisor (C.I.) erupt?
7 years
74
At what age do the permanent Canines (C) erupt?
11 years
75
What is the eruption age range for the Wisdom tooth?
17–25 years
76
What is the "time gap" in eruption usually for?
Spacing of the jaw
77
Which tooth is most commonly impacted?
(Wisdom tooth)
78
What is the period of mixed dentition? What is the age range for the mixed dentition period??
The phase where both temporary and permanent teeth are present in the mouth. 6–11 years
79
What is the constant total number of teeth during mixed dentition?
24
80
What is the formula to estimate the number of permanent teeth in mixed dentition?
Permanent teeth = (Age - 5) × 4
81
What is the mnemonic for Gustafson’s method?
APSRTC Attrition, Paradentosis, Secondary dentin, Cementum apposition, Root resorption, Transparency of root
82
Which Gustafson parameter is the MOST reliable?
Transparency of root
83
Which Gustafson parameter is the SECOND most reliable?
Secondary dentin
84
Which teeth are more reliable for Gustafson’s method?
Anterior teeth (Central Incisors are best; 3rd molars are least reliable).
85
Which method is used for age estimation in infants by teeth?
Stack’s method (uses height and weight of the tooth).
86
Which method is used for children by counting microscopic lines?
Boyde’s method.
87
What is the significance of the Neonatal line (appearing at day 2/3)?
It is a Sign of live birth.
88
Which charting method uses continuous numbering from 1–32?
Universal method Starting right ipper and clockwise
89
Which charting system is most used worldwide?
FDI method (uses a 2-digit system: prefix for quadrant, number for tooth).
90
91
In FDI, what are the prefixes for permanent quadrants?
1, 2, 3, 4 (clockwise)
92
In FDI, what are the prefixes for temporary quadrants?
5, 6, 7, 8 (clockwise)
93
Which method uses symbols for quadrants (like L-shapes)?
Palmer’s Notation
94
Which method uses plus and minus signs?
Haderup’s Notation
95
What classification is used for Cheiloscopy (Lip prints)?
Suzuki classification
96
What area is evaluated in Rugoscopy (Palatoscopy)?
Anterior hard palate
97
Increase in space between papillary ridges in what all conditions
A-acromegaly I-infantile paralysis R-Rickets
98
Dactylography method name? Developed starts at? Completed at?
Galtons system 3-4m 5-6m
99
Fingerprint pattern Order common to rare
Loop(end same side) Whorl Arch(end in opp side) Composite
100
Pattern are analysed by comparing _______
Minutiae