LMRT 226 Exam UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
How many bones makes up the cranium? What are they divided into? - CORRECT
ANSWER 8 bones make up the cranium
calvarium (skullcap) and floor
What bones make up the calvarium (skullcap)? - CORRECT ANSWER Frontal
Right parietal
Left parietal
Occipital
What bones make up the floor of the cranium? - CORRECT ANSWER Right temporal
left temporal
sphenoid
ethmoid
What bone contributes to the formation of the forehead and superior part of each orbit? -
CORRECT ANSWER Frontal bone
What are the two main parts of the frontal bone? - CORRECT ANSWER squamous or
vertical portion
orbital or horizontal portion
Squamous or vertical portion - CORRECT ANSWER -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 ANSWER supraorbital
margin (SOM)
, What is the supraorbital notch? - CORRECT ANSWER 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 ANSWER In the orbital or horizontal portion.
What forms the superior part of each orbit? - CORRECT ANSWER orbital plate
What separates the orbital plates and what fits into it? - CORRECT ANSWER The
ethmoidal notch; ethmoid
What do the two parietal bones form? - CORRECT ANSWER 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 ANSWER Between the
parietal tubercles (eminences)
What forms the inferior portion of the cranium? - CORRECT ANSWER Occipital bone
What is the squamous portion? - CORRECT ANSWER the round external surface of
the occipital bone.
What is the inion? - CORRECT ANSWER Most prominent point of external occipital
protuberance
what does the squamous portion form? - CORRECT ANSWER It forms the back of the
head and is part of the occipital nbone that is superior to the external occipital protuberance
9or inion) which is the prominent bump or protuberance at the ineroposterior portion of the
skull.
QUESTIONS AND CORRECT ANSWERS
How many bones makes up the cranium? What are they divided into? - CORRECT
ANSWER 8 bones make up the cranium
calvarium (skullcap) and floor
What bones make up the calvarium (skullcap)? - CORRECT ANSWER Frontal
Right parietal
Left parietal
Occipital
What bones make up the floor of the cranium? - CORRECT ANSWER Right temporal
left temporal
sphenoid
ethmoid
What bone contributes to the formation of the forehead and superior part of each orbit? -
CORRECT ANSWER Frontal bone
What are the two main parts of the frontal bone? - CORRECT ANSWER squamous or
vertical portion
orbital or horizontal portion
Squamous or vertical portion - CORRECT ANSWER -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 ANSWER supraorbital
margin (SOM)
, What is the supraorbital notch? - CORRECT ANSWER 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 ANSWER In the orbital or horizontal portion.
What forms the superior part of each orbit? - CORRECT ANSWER orbital plate
What separates the orbital plates and what fits into it? - CORRECT ANSWER The
ethmoidal notch; ethmoid
What do the two parietal bones form? - CORRECT ANSWER 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 ANSWER Between the
parietal tubercles (eminences)
What forms the inferior portion of the cranium? - CORRECT ANSWER Occipital bone
What is the squamous portion? - CORRECT ANSWER the round external surface of
the occipital bone.
What is the inion? - CORRECT ANSWER Most prominent point of external occipital
protuberance
what does the squamous portion form? - CORRECT ANSWER It forms the back of the
head and is part of the occipital nbone that is superior to the external occipital protuberance
9or inion) which is the prominent bump or protuberance at the ineroposterior portion of the
skull.
