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INDIAN INSTITUTE OF TECHNOLOGY GUWAHATI
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Calculation of Indices
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1)What is Craniometry?
concerned with the technique of measurement on the cranium
Concerned with the technique of measurement on face of the skeleton.
Both a and b
None of above
2)How to calculate Cranial index?
Min. Cranial Breadth x 100 / Max. Cranial Length
Bregma Height x 100 / Max. Carnial Length
Max. Cranial Breadth x 100 / Max. Cranial Length
None of above
3) What is Basion-Bregma?
The straight distance from the basion to bregma.
Bregma (b) is the meeting point of the sagittal and coronal sutures
Both a and b
None of above
4) What is Bizygomatic breadth?
The straight distance from one zygion to the other.
Zygion is the most lateral point of the zygomatic arch
The straight distance from the nasion to zygion
Both a and b
5) How to calculate Transverse Vertical Index?
Basion -Bregma Height x 100 / Max. Cranial Breadth
Bregma Height x 100 / Max. Carnial Length
Upper Facial Height x 100 / Bizygomatic Breadth
None of above
6) Which instrument is used to measure Maximum Cranial Breadth?
Spreading Caliper
Sliding Caliper
Vernier Caliper
Pelvimeter
7) What is Opisthocranion ?
is the most posterior point from the glabella in the mid-sagittal plane
excluding the inion
is the most prominent point between the two superaorbital
both a and b
8) What is NASION-INION PLANE ?
when the nasion and inion are on the same vertical plane
when the nasion and inion are on the same horizontal plane
at a angular distance from inion
on the right of nasion
9) What is a porion?
distance between upper margin and lower margin of skull
internal auditory meatus
the deepest point on the upper margin of the external auditory meatus
ridges above the fronto-nasal suture in the mid-sagittal plane
10) What is Maximum Cranial Breadth?
Straight distance between the two euryon points
Angular distance between the two euryon points.
The straight distance from the glabella
Distance between glabella and euryon
