Skull WS# 3
On which bone are the superior and middle conchae located? a. ethmoid b. nasal c. frontal d. occipital
a. ethmoid
The superior orbital fissure is formed by the a. greater and lesser wings of the sphenoid bone b. frontal bone and maxillae c. sphenoid bone, zygoma and maxillae d. temporal and sphenoid
a. greater and lesser wings of the sphenoid bone
Which of the following foramina lie in the sphenoid bone? 1) optic foramen 2) jugular foramen 3) foramina rotundum a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3
b. 1 and 3
The sloping area formed where the sphenoid bone meets the occipital bone is called the: a. inion b. clivus c. dorsum sella d. gonion
b. clivus
Which suture articulates the frontal bone with both parietal bones? a. sagittal b. coronal c. squamosal d. lambdoidal
b. coronal
The posterior wall of the sella turcica is called the: a. pterygoid hamulus b. dorsum sella c. posterior clinoid processes d. optic chiasm
b. dorsum sella
On which cranial bone is the cribriform plate located? a. frontal b. ethmoid c. temporal d. sphenoid
b. ethmoid
What portion of the sphenoid bone will you find the foramen rotundum, foramen ovale, and the foramen spinosum? a. lesser wings b. greater wings c. pyterygoid processes d. body
b. greater wings
The lambda fontanel is located at the junction of which cranial bones? a. frontal & both parietals b. occipital & both parietals c. frontal & temporal d. occipital & temporal
b. occipital & both parietals
Which canals are formed by the parts of the lesser wings & contain the nerves of sight? a. auditory b. optic c. carotid d. tympanic
b. optic
The optic nerves cross at the: a. pterygoid process b. optic chiasm C. sella turcica d. optic canal
b. optic chiasm
What are the two bony prominences (processes) sitting on top of the dorsum sella named ? a. anterior clinoid b. posterior clinoid c. pterygoid d. styloid
b. posterior clinoid
The jugular foramen are located between the occipital bone and the: a. parietal b. temporal c. ethmoid d. frontal e. sphenoid
b. temporal
The sella turcica is located: a. ½ " anterior & " posterior to the EAM b. ¾" anterior & ¾" superior to the EAM c. 1" posterior to the TMJ d. none of the above
b. ¾" anterior & ¾" superior to the EAM
24. Which of the following bones contain air sinuses? 1) ethmoid 2) frontal 3) sphenoid a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 1, 2, and 3
d. 1, 2, and 3
Which bones do the sphenoid articulate with? a. occipital & parietal b. frontal & temporal C. ethmoid & occipital d. all other bones of the skull
d. all other bones of the skull
Which portion of the occipital bone fuses with the sphenoid bone to form one continuous bone? a. squamous b. lateral c. jugular d. basilar
d. basilar
In which portion of the sphenoid bone are the sphenoid sinuses located? a. lesser wings b. greater wings c. pterygoid processes d. body
d. body
The parietal bones articulate with all of the bones listed below except: a. frontal b. occipital c. sphenoid d. ethmoid
d. ethmoid
The saddle shaped depression on the superior portion of the sphenoid bone is the: a. middle fossa b. optic foramen c. dorsum sella d. sella turcica
d. sella turcica
On which cranial bone is the sella turcica located? a. frontal b. ethmoid c. temporal d. sphenoid
d. sphenoid
The pterygoid processes project inferiorly from which cranial bone? a. frontal b. ethmoid c. temporal d. sphenoid
d. sphenoid
Which cranial bone has both greater & lesser wings? a. frontal b. ethmoid c. temporal d. sphenoid
d. sphenoid
Where is the pituitary gland located? a. tympanic portion of the temporal bone b. apex of the orbit c. clivus and dorsum sella d. within the sella turcica
d. within the sella turcica
Which of the following foramina is not found on the base of the skull? a.foramen ovale b.foramen rotundum c.foramen spinosum d.mental foramen
d.mental foramen
