LMRT 226 Skull ACTUAL EXAM QUESTIONS
AND CORRECT ANSWERS
How many bones makes up the cranium? What are they divided into? - CORRECT
ANSWERS 8 bones make up the cranium
calvarium (skullcap) and floor
What bones make up the calvarium (skullcap)? - CORRECT ANSWERS Frontal
Right parietal
Left parietal
Occipital
What bones make up the floor of the cranium? - CORRECT ANSWERS Right temporal
left temporal
sphenoid
ethmoid
What bone contributes to the formation of the forehead and superior part of each orbit? -
CORRECT ANSWERS Frontal bone
What are the two main parts of the frontal bone? - CORRECT ANSWERS squamous or
vertical portion
orbital or horizontal portion
Squamous or vertical portion - CORRECT ANSWERS -Glabella - Smooth raised prominence
between the eyebrows just above the bridge of the nose.
-Supraorbital Groove (SOG) - slight depression above each eyebrow.
, What is the superior rim of each orbit called? - CORRECT ANSWERS supraorbital margin
(SOM)
What is the supraorbital notch? - CORRECT ANSWERS Small hole or opening within the
SOM slightly medial to its midpoint where the supraorbital nerve and artery pass.
Where is the SOM, supercilliary ridges, glabella, and frontal tuberosities located? - CORRECT
ANSWERS In the orbital or horizontal portion.
What forms the superior part of each orbit? - CORRECT ANSWERS orbital plate
What separates the orbital plates and what fits into it? - CORRECT ANSWERS The
ethmoidal notch; ethmoid
What do the two parietal bones form? - CORRECT ANSWERS The lateral walls of the
cranium
And a part of the roof of the cranium
Where is the widest portion of the skull located? - CORRECT ANSWERS Between the
parietal tubercles (eminences)
What forms the inferior portion of the cranium? - CORRECT ANSWERS Occipital bone
What is the squamous portion? - CORRECT ANSWERS the round external surface of the
occipital bone.
AND CORRECT ANSWERS
How many bones makes up the cranium? What are they divided into? - CORRECT
ANSWERS 8 bones make up the cranium
calvarium (skullcap) and floor
What bones make up the calvarium (skullcap)? - CORRECT ANSWERS Frontal
Right parietal
Left parietal
Occipital
What bones make up the floor of the cranium? - CORRECT ANSWERS Right temporal
left temporal
sphenoid
ethmoid
What bone contributes to the formation of the forehead and superior part of each orbit? -
CORRECT ANSWERS Frontal bone
What are the two main parts of the frontal bone? - CORRECT ANSWERS squamous or
vertical portion
orbital or horizontal portion
Squamous or vertical portion - CORRECT ANSWERS -Glabella - Smooth raised prominence
between the eyebrows just above the bridge of the nose.
-Supraorbital Groove (SOG) - slight depression above each eyebrow.
, What is the superior rim of each orbit called? - CORRECT ANSWERS supraorbital margin
(SOM)
What is the supraorbital notch? - CORRECT ANSWERS Small hole or opening within the
SOM slightly medial to its midpoint where the supraorbital nerve and artery pass.
Where is the SOM, supercilliary ridges, glabella, and frontal tuberosities located? - CORRECT
ANSWERS In the orbital or horizontal portion.
What forms the superior part of each orbit? - CORRECT ANSWERS orbital plate
What separates the orbital plates and what fits into it? - CORRECT ANSWERS The
ethmoidal notch; ethmoid
What do the two parietal bones form? - CORRECT ANSWERS The lateral walls of the
cranium
And a part of the roof of the cranium
Where is the widest portion of the skull located? - CORRECT ANSWERS Between the
parietal tubercles (eminences)
What forms the inferior portion of the cranium? - CORRECT ANSWERS Occipital bone
What is the squamous portion? - CORRECT ANSWERS the round external surface of the
occipital bone.
