Skull WS# 3

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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


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