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Anatomy Final Exam Content > The Skull > Flashcards

The Skull Flashcards

straight from the skull lecture

1
Q

What are the bones in the facial skeleton?

A

Zygomatic, Maxilla, Mandible, Palatine, Nasal, Lacrimal

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2
Q

What is a fontanelle on the skull, and what is the function?

A

Articulation point where sutures come together and allows for rapid growth of the brain after birth

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3
Q

What is the sella turcica?

A

The depression in the sphenoid bone

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4
Q

Where is the hypophyseal fossa located, and what does it house?

A

Middle of the sella turcica, houses the pituitary gland

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5
Q

Where is the optic canal and what is it’s function?

A

Sphenoid bone
Allows passage for the Optic Nerve CN II to the back of the eye

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6
Q

Where is the jugular foramen, and what is it’s function?

A

Between the temporal and occipital bone
Allows passage for the Vagus Nerve CNX and Glossopharyngeal Nerve CNIX

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7
Q

Where is the foramen lacerum and what is it’s function?

A

Articulation of the temporal, sphenoid, and occipital bones
Allows passage for the Petrosal Nerves (branches of Facial Nerve CNVII)

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8
Q

Where is the foramen ovale and what is it’s function?

A

Sphenoid bone
Allows passage for Mandibular Branch of Trigeminal Nerve CNV

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9
Q

Where is the internal acoustic meatus and what is it’s function?

A

Temporal bone inside the earhole
Allows passage for the Vestibulocochlear Nerve CNVIII

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10
Q

What is a subdural hematoma?

A

Bleeding in the arachnoid mater

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11
Q

What is the function of the meninges?

A

Protects the brain and allows passage for the cerebrospinal fluid

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12
Q

What are the 3 primary functions of the cerebral hemispheres?

A

Recognizes sensation
Initiates voluntary movements
Memory, judgement, and interpretation

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13
Q

What does the basilar artery bifurcate into?

A

Posterior cerebral arteries

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14
Q

Which cerebral artery is most likely to be compromised in a cerebral accident?

A

Middle cerebral artery

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15
Q

Where does the internal carotid artery run?

A

Through the head into the brain

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16
Q

Where do the vertebral arteries run through?

A

transverse foramen of cervical vertebrae

17
Q

What does the internal cartoid artery supply?

A

Anterior brain

18
Q

What is the anterior blood supply to the brain?

A

Aortic arch –> brachiocephalic –> common carotid –> internal carotid –> middle/anterior cerebral external carotid –> external structures

AABCCICMACECES

19
Q

What bones are housed in the Calvaria?

A

Frontal
Temporal
Parietal
Occipital
Sphenoid
Ethmoid

20
Q

What is the Calvaria?

A

Skull Cap

21
Q

What is the bony landmark between the eyebrows called?

A

Glabella

22
Q

What is the Pterion?

A

The “H” shaped articulation point of the frontal, parietal, temporal, and sphenoid bones

23
Q

What are the functions of the sinuses?

A

Allows air movement for breathing

24
Q

What causes sinus headaches and/or infections?

A

Excessive fluid and mucus build up creating outward pressure

25
Q

Why is the sinus area referred to as the danger zone of the face?

A

Because the sinuses are located near a thin later of bone in close proximity to the brain

26
Q

What is the Cranial Venous Sinus function?

A

Receives and drains blood/cerebral fluid back and forth to the brain

27
Q

What are the three layers of the meninges, superficial to deep?

A

Dura mater
Arachnoid mater
Pia mater

“Dean Ate Pie”

28
Q

What artery supplies the meninges?

A

Middle meningeal artery

29
Q

What makes up the brainstem?

A

Midbrain, pons, and medulla

30
Q

If a patient has a stroke affecting the cerebellum, what would be affected?

A

Fine motor movements, balance, and coordination

31
Q

What does the Internal Carotid bifurcate into?

A

Middle and anterior cerebral arteries

32
Q

What is the function of the Circle of Willis?

A

Provides continuation of blood supply when one area is experiencing deficit

33
Q

What is the posterior blood supply to the brain?

A

Aortic arch –> subclavian –> vertebral –> basilar –> posterior cerebral artery

34
Q

What does the posterior cerebral artery supply?

A

Base of the brain
(More occipital)

Anatomy Final Exam Content (15 decks)

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