Cranial Cavity

 1-The internal carotid artery gives the following branches, except: a) ophthalmic. b) hypophyseal.  c) pontine. d) anterior cerebral. e) middle cerebral

2- The emissary vein passing through the mastoid foramen opens in the a) transverse sinus. b) sigmoid sinus. c) cavernous sinus. d) suprior sagittal sinus. e) none of the above

 3-The falx cerebri at its attachment to the tentorium cerebelli contains a) inferior sagittal snus. b) caveronus sinus. c) straight sinus.. d.) great cerebral vein. e)occipital sinus

  •4-inferior petrosal sinus 1eavs the skull through:   a.forarnen magnum. b.sty lomastoid foramen. c.foramen ovale. d.jugular foramen. e.none of the above.

  •5-A sixty-four-year old man was diagnosed with an acoustic neuroma (tumor of the VIIIth cranial nerve) where it entered the temporal bone. What other cranial nerve might also be affected since this nerve uses the same foramen as the VIIIth in its course? a-Abducens b-Facial c-Glossopharyngeal  d-Trigeminal   e-Vagus

  •6-Infections may spread from the nasal cavity to the meninges along the olfactory nerves, as its fibers pass from the mucosa of the nasal cavity to the olfactory bulb via the: a-Cribriform plate of the ethmoid b-Crista galli c-Foramen caecum d-Superior orbital fissure

  •7-A patient who has sustained a fracture to the middle cranial fossa following a fall from a height, might have any of these nerves injured EXCEPT: a-Trigeminal b-Oculomotor c-Abducent d-Trochlear e-Hypoglossal

  •8-The most likely source of blood in a patient with an epidural hemorrhage is: a.Vertebral artery b.Middle meningeal artery c.Superior cerebral veins d.Anterior cerebral artery

  •9- Diagnosis is of torn cerebral veins as they pass from the brain to the superior sagittal sinus. From which of the following was the bloody fluid taken? a.Cavernous sinus b.Epidural space c.Subarachnoid space d.Subdural space e.Verterbal venous plexus

  •10-In a patient diagnosed with cavernous sinus thrombosis. You will focus your examination on cranial nerves related to the sinus that includes all the following EXCEPT: a.Abducens (CN VI) b.Facial (CN VII) c.Oculomotor (CN III) d.Ophthalmic division of the trigeminal nerve (CN V1) e.Trochlear (CN IV)

11-The glossopharyngeal nerve exits the skull via what opening?   a.Foramen ovale b.Carotid canal c.Jugular foramen d.Hypoglossal canal e.Stylomastoid foramen

12-A person develops a cavernous sinus thrombosis. Because of its relationship to the sinus, which cranial nerve might be affected? a.Abducens b.Facial c.Mandibular V3 d.Olfactory e.Optic

13-All of the following nerves exit the cranial cavity by way of bony openings located in the middle cranial fossa EXCEPT:    a.Trochlear b.Oculomotor c.Trigeminal d.Facial Abducens

  •14-During childbirth, an excessive anteroposterior compression of the head may tear the anterior attachment of the falx cerebri from the tentorium cerebelli. The bleeding that follows is likely to be from which of the following venous sinuses? a.Occipital sinus b.Sigmoid sinus c.Straight sinus d.Superior sagittal sinus e.Transverse sinus

  •15- The inferior sagittal sinus is found in the free edge of what structure? a.Diaphragma sellae b.Falx cerebelli c.Falx cerebri d.Filum terminale e.Tentorium cerebelli

 16--All the following are trueExcept: a. foramen ovale transmits the mandibular nerve b.  foramen rotundum transmits the middle meningeal artery. c. jugular foramen transmit the vagus nerve d. stylomastoid foramen transmit the facial nerve

 17-For the cavernous sinus all the following are true Except: a. it is situated above the pituitary gland b. it is posterior to the superior orbital fissure c. the maxillary branch of the trigeminal nerve passes through it d. the trochlear nerve passes through it

  •18-Structures passing through the foramen magnum include all the following except:: •a. the anterior spinal artery •b. the dura •c. the vagus nerve •d. the spinal accessory nerve •e. the vertebral artery

  •19-Nerves that pass in the lateral wall of the cavernous sinus includeall the followings Except: •a. the ophthalmic division of the trigeminal nerve •b. the sixth cranial nerve •c. the maxillary nerve •d. . the third cranial nerve

 20-The following are true about the trigeminal ganglionExcept: a.. it lies in close relationship to the motor root of the  trigeminal nerve b. it lies in the middle cranial fossa c. it lies near the apex of the petrous temporal bone d. It divides into 4 divisions.

  •21-For the cavernous sinus all are true Except: •a. contains the internal carotid artery b. has the abducent nerve in its lateral wall  c. receives blood from the orbit d. communicates with the pterygoid plexus of veins.  e. drains via the petrosal sinuses.

22-A 7-year-old boy was kicked in the right side of his head dun ing a sledding accident. He arrived at the ER with no loss of consciousness but complained of a severe headache and vomiting. A computed tomography (CT) scan revealed a biconvex hyperdense extraaxial collection of blood, indicated by the arrows in the figure. What blood vessel is the most likely source of the bleed? (A) Superficial temporal artery (B) Middle meningeal artery (C) Superior cerebral veins (D) Cerebral arterial circle (of Willis) (E) Middle cerebral artery (MCA)

23-A baby girl presents with a disproportionately wide skull with a short occipitofrontal diameter, as depicted in the given surface shaded CT reconstruction. What cranial suture most likely closed prematurely to result in this cranial deformity? (A) Sphenosquamous (B) Sphenoparietal (C) Coronal (D) Sagittal

An 82-year-old woman develops a dural meningioma (tumor) that compresses the confluence of the dural venous sinuses, On the given contrast vertogram from an angiographic series, drainage from which of the following labeled vessels would be impeded by the tumor?   •(A) Superior sagittal sinus (B) Transverse sinus (C) Cavernous sinus (D) Superior petrosal sinus (E) Inferior petrosal sinus

 25. The ciliary ganglion contains fibers or cell bodies from which two cranial nerves?      a. Optic and Oculomotor b. Trigeminal and Oculomotor c. Trigeminal and Olfactory d. Vestibulocochlear and Optic