Anatomy: Cranium Bones Quiz
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Questions and Answers

Which of the following bones is not part of the cranium?

  • Frontal
  • Parietal
  • Temporal
  • Maxilla (correct)

    • The calvarium refers to which part of the skull?

  • The base of the skull
  • The facial bones
  • The dome-like upper portion of the skull (correct)
  • The jawbone

    • Which of the following bones forms the lower jaw?

  • Mandible (correct)
  • Maxilla
  • Zygoma
  • Nasal

    • Which of the following bones is part of the zygomatic arch?

    <p>Zygoma</p> Signup and view all the answers

    Which of the following bones is involved in the formation of the orbit? A) Nasal B) Maxilla C) Zygoma D) All of the above

    <p>All of the above</p> Signup and view all the answers

    Which type of joint unites the bones of the skull?

    <p>Fibrous joints</p> Signup and view all the answers

    The pterion is formed by the junction of which of the following bones?

    <p>Parietal, frontal, temporal, sphenoid</p> Signup and view all the answers

    A blow to the pterion may lead to which type of intracranial bleed?

    <p>Epidural hematoma</p> Signup and view all the answers

    The pterion is located at the junction of the following bones, except:

    <p>Occipital</p> Signup and view all the answers

    Which of the following bones contributes to the formation of the pterion?

    <p>Sphenoid (greater wing)</p> Signup and view all the answers

    The anterior fontanelle is located at the junction of which sutures?

    <p>Coronal and sagittal</p> Signup and view all the answers

    Which of the following sutures forms the boundary between the parietal and occipital bones?

    <p>Lambdoid suture</p> Signup and view all the answers

    The bregma is the point where which two sutures meet?

    <p>Coronal and sagittal</p> Signup and view all the answers

    The posterior fontanelle is located at the junction of which sutures?

    <p>Sagittal and lambdoid</p> Signup and view all the answers

    The lambda is the point where which two sutures meet?

    <p>Sagittal and lambdoid</p> Signup and view all the answers

    Which of the following structures is located in the anterior cranial fossa?

    <p>Crista galli</p> Signup and view all the answers

    The foramen rotundum is located in which cranial fossa?

    <p>Middle cranial fossa</p> Signup and view all the answers

    Which of the following structures passes through the foramen ovale?

    <p>Mandibular nerve (V3)</p> Signup and view all the answers

    The sella turcica is a structure located in which cranial fossa?

    <p>Middle cranial fossa</p> Signup and view all the answers

    The posterior cranial fossa contains all of the following structures, except:

    <p>Foramen rotundum</p> Signup and view all the answers

    Which foramen transmits the internal jugular vein?

    <p>Jugular foramen</p> Signup and view all the answers

    Which of the following structures is located in the petrous part of the temporal bone?

    <p>Internal acoustic meatus</p> Signup and view all the answers

    Which of the following structures is located in the petrous part of the temporal bone?

    <p>Internal acoustic meatus</p> Signup and view all the answers

    The foramen magnum is located in which cranial fossa?

    <p>Posterior cranial fossa</p> Signup and view all the answers

    The clivus is located in which cranial fossa?

    <p>Posterior cranial fossa</p> Signup and view all the answers

    Which of the following foramen is located in the posterior cranial fossa and transmits the hypoglossal nerve (XII)?

    <p>Hypoglossal canal</p> Signup and view all the answers

    Which of the following bones contribute to the formation of the anterior cranial fossa?

    <p>Frontal and ethmoid</p> Signup and view all the answers

    Which of the following structures is located in the anterior cranial fossa?

    <p>Crista galli</p> Signup and view all the answers

    Which of the following bones contribute to the middle cranial fossa?

    <p>Sphenoid and temporal</p> Signup and view all the answers

    Which structure is located in the middle cranial fossa and houses the pituitary gland?

    <p>Sella turcica</p> Signup and view all the answers

    The foramen rotundum is located in which part of the cranial fossa?

    <p>Middle cranial fossa</p> Signup and view all the answers

    Which bones contribute to the formation of the posterior cranial fossa?

    <p>Occipital and temporal</p> Signup and view all the answers

    The petrous part of the temporal bone is located in which cranial fossa?

    <p>Middle cranial fossa</p> Signup and view all the answers

    Which of the following structures passes through the foramen spinosum?

    <p>Middle meningeal artery</p> Signup and view all the answers

    Which of the following structures is located within the occipital bone?

    <p>Brainstem</p> Signup and view all the answers

    The petrous part of the temporal bone contains which of the following?

    <p>Internal acoustic meatus</p> Signup and view all the answers

    Which foramen is associated with the petrous part of the temporal bone?

    <p>Internal acoustic meatus</p> Signup and view all the answers

    Which of the following is located in the sphenoid bone? A) Foramen rotundum B) Jugular foramen C) Internal acoustic meatus D) Foramen ovale

    <p>Foramen rotundum</p> Signup and view all the answers

    The sella turcica is a structure found in which bone?

    <p>Sphenoid bone</p> Signup and view all the answers

    Which of the following structures is located in the base of the skull and forms part of the hard palate?

    <p>Palatine process of maxilla</p> Signup and view all the answers

    The zygomatic arch is formed by which two bones?

    <p>Zygomatic and temporal bones</p> Signup and view all the answers

    Which of the following is located in the base of the skull and serves as a passage for the carotid artery?

    <p>Carotid canal</p> Signup and view all the answers

    The external acoustic meatus is located in which part of the skull?

    <p>Temporal bone</p> Signup and view all the answers

    Which of the following foramen transmits the mandibular nerve (V3) of the trigeminal nerve?

    <p>Foramen ovale</p> Signup and view all the answers

    The foramen magnum, located in the occipital bone, transmits all of the following except:

    <p>Internal jugular vein</p> Signup and view all the answers

    The mastoid process is a feature of which bone?

    <p>Temporal bone</p> Signup and view all the answers

    Which foramen transmits the facial nerve (VII) as it exits the skull?

    <p>Stylomastoid foramen</p> Signup and view all the answers

    Which of the following is a structure found in the occipital bone?

    <p>Condylar fossa</p> Signup and view all the answers

    The foramen lacerum is located between which bones?

    <p>Temporal and sphenoid</p> Signup and view all the answers

    Which of the following structures is located in the base of the skull and forms part of the nasal septum?

    <p>Vomer</p> Signup and view all the answers

    In the skull cavity, which of the following is true about the epidural space?

    <p>It exists as a potential space between the dura mater and bone.</p> Signup and view all the answers

    What separates the two layers of the dura mater in the cranial cavity?

    <p>Venous sinuses</p> Signup and view all the answers

    Which of the following is NOT a function of the dura mater in the cranial cavity? A) Protecting the brain B) Providing a route for venous drainage C) Serving as a barrier between the arachnoid mater and pia mater D) Acting as a space for cerebrospinal fluid (CSF)

    <p>Acting as a space for cerebrospinal fluid (CSF)</p> Signup and view all the answers

    Which layer of the meninges is directly adherent to the bone in the cranial cavity?

    <p>Dura mater</p> Signup and view all the answers

    Which of the following is true about the subdural space in the skull?

    <p>It is a potential space between the dura mater and arachnoid mater.</p> Signup and view all the answers

    Which structure is located between the arachnoid mater and pia mater?

    <p>Subarachnoid space</p> Signup and view all the answers

    In the vertebral canal, which of the following is true about the subdural space?

    <p>It is a potential space between the dura mater and arachnoid mater.</p> Signup and view all the answers

    Which of the following correctly describes the arrangement of meninges around the spinal cord?

    <p>The dura mater is adhered to the bone in the spinal canal.</p> Signup and view all the answers

    Which of the following is NOT a component of the spinal meninges?

    <p>Tentorium cerebelli</p> Signup and view all the answers

    Which of the following layers of the meninges is the innermost and covers the surface of the brain and spinal cord?

    <p>Pia mater</p> Signup and view all the answers

    What are the major folds of the cranial dura mater?

    <p>All of the above</p> Signup and view all the answers

    The tentorium cerebelli separates which two structures in the cranial cavity?

    <p>The cerebrum from the cerebellum</p> Signup and view all the answers

    Which dural fold is located at the base of the sella turcica and surrounds the pituitary gland?

    <p>Diaphragma sellae</p> Signup and view all the answers

    Which structure in the cranial dura is attached to the crista galli of the ethmoid bone?

    <p>Falx cerebri</p> Signup and view all the answers

    Which nerve primarily innervates the dura mater of the anterior cranial fossa?

    <p>Trigeminal nerve (V)</p> Signup and view all the answers

    Which nerve provides sensory innervation to the dura mater in the posterior cranial fossa?

    <p>C2 and C3 nerve roots</p> Signup and view all the answers

    The venous sinuses lie between which two layers of the dura mater?

    <p>Periosteal layer and meningeal layer</p> Signup and view all the answers

    Which of the following is true about the venous sinuses in the cranial cavity?

    <p>They are located between the two layers of dura mater.</p> Signup and view all the answers

    Which dural sinus is responsible for draining blood from the brain into the internal jugular vein?

    <p>Sigmoid sinus</p> Signup and view all the answers

    Which of the following structures is NOT part of the dural sinuses?

    <p>Subdural space</p> Signup and view all the answers

    Which of the following divisions of the trigeminal nerve innervates the falx cerebri?

    <p>Ophthalmic division (V1)</p> Signup and view all the answers

    Which division of the trigeminal nerve provides sensory innervation to the dura mater in the middle cranial fossa?

    <p>Maxillary division (V2)</p> Signup and view all the answers

    Which of the following dural sinuses typically drains into the right transverse sinus?

    <p>Superior sagittal sinus</p> Signup and view all the answers

    Which dural sinus runs in the free edge of the falx cerebri and is associated with the great cerebral vein (of Galen)?

    <p>Inferior sagittal sinus</p> Signup and view all the answers

    The straight sinus is formed by the confluence of which two structures?

    <p>Great cerebral vein and inferior sagittal sinus</p> Signup and view all the answers

    Where does the sigmoid sinus drain into?

    <p>Jugular foramen, becoming the internal jugular vein</p> Signup and view all the answers

    Which of the following sinuses receives the superior petrosal sinus and continues as the sigmoid sinus?

    <p>Transverse sinus</p> Signup and view all the answers

    Which structures converge at the confluence of sinuses?

    <p>Between the straight sinus, superior sagittal sinus, and inferior sagittal sinus</p> Signup and view all the answers

    Which of the following dural sinuses runs in the groove of the temporal bone and receives the superior petrosal sinus?

    <p>Transverse sinus</p> Signup and view all the answers

    The inferior sagittal sinus drains into which sinus?

    <p>Straight sinus</p> Signup and view all the answers

    Which of the following sinuses is associated with the jugular foramen?

    <p>Sigmoid sinus</p> Signup and view all the answers

    The cavernous sinus is located on either side of which structure?

    <p>Body of the sphenoid</p> Signup and view all the answers

    Which of the following structures does the cavernous sinus have important relations to?

    <p>Internal carotid artery and cranial nerves</p> Signup and view all the answers

    The ophthalmic veins drain into the cavernous sinus via which structure?

    <p>Superior orbital fissure</p> Signup and view all the answers

    Which sinus runs along the lesser wing of the sphenoid bone and drains into the cavernous sinus?

    <p>Sphenoparietal sinus</p> Signup and view all the answers

    Which sinus drains into the jugular bulb from the cavernous sinus?

    <p>Inferior petrosal sinus</p> Signup and view all the answers

    Which of the following cranial nerves passes through the cavernous sinus?

    <p>CN III (Oculomotor nerve)</p> Signup and view all the answers

    Which of the following structures is located in the cavernous sinus and is involved in cavernous sinus thrombosis?

    <p>Basilar plexus</p> Signup and view all the answers

    Which artery is most often involved in an epidural hematoma?

    <p>Middle meningeal artery</p> Signup and view all the answers

    What is the primary role of the choroid plexus in the brain?

    <p>Production of cerebrospinal fluid (CSF)</p> Signup and view all the answers

    Which cranial nerve is responsible for sensation in the ophthalmic division (V1) of the trigeminal nerve?

    <p>CN V1 (Ophthalmic nerve)</p> Signup and view all the answers

    What symptom is commonly associated with cavernous sinus thrombosis?

    <p>Fever, headache, periorbital swelling</p> Signup and view all the answers

    In cases of subdural hematoma, which vein is typically affected?

    <p>Bridging veins</p> Signup and view all the answers

    Which of the following is a complication of facial infections that may lead to cavernous sinus thrombosis?

    <p>Periorbital cellulitis</p> Signup and view all the answers

    What structure is involved in the absorption of cerebrospinal fluid (CSF)?

    <p>Arachnoid granulations</p> Signup and view all the answers

    Which condition is characterized by symptoms including headache and visual disturbances?

    <p>Cavernous sinus thrombosis</p> Signup and view all the answers

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