Batch 51 MCQ

22. All of the following landmarks are seen external surface of the petrous part of the temporal bone, EXCEPT:

21. One of the following muscles doesn't attach to the mandible:

20. Regarding the pterion, one is TRUE:

19. The sigmoid sinus is connected to the extracranial vein by means of emissary veins through:

18. Regarding the anatomy of the cavernous sinus, one is WRONG:

17. The tentorium cerebelli is related to one of the following dural sinuses:

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16. Regarding the cranial cavity, one of the following statements is WRONG: A) The apex of the falx cerebri attaches to the median elevation between the cribriform plates of the ethmoid bones. B) The oculomotor nerve crosses at the site of decussation of the free and attached borders of the tentorium cerebelli. C) The attached border of the falx cerebell is related to the occipital sinus. D) The diaphragma sellae has an opening in its center to pass the infundibulum toward the hypothalamus.

15. Regarding the sphenopalatine ganglion, one of the following is TRUE:

14. Regarding the anatomy of the maxillary nerve, one is TRUE:

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13. Regarding the anatomy of the pterygopalatine fossa, one is TRUE; A) Its internal depth made up by the horizontal plate of the palatine bone. B) It communicate with the nasopharynx by the sphenopalatine foramen. C) It contains the sphenopalatine ganglion suspended from the mandibular nerve. D) None of the above.

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12. Regarding the otic ganglion, one of the followings is TRUE: A) The only root that relay in the ganglion that comes from the plexus around the middle meningeal artery. B) The preganglionic secretomotor fibers to the corresponding gland is carried by branch form the glossopharyngeal nerve. C) The postganglionic joining the inferior alveolar nerve to distributed to the target gland. D) All of the above.

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10-Regarding the course of the lingual nerve, one is TRUE: A) It lies on the medial pterygoid muscle behind the inferior alveolar nerve. B) it passes in the groove inside the mandibular bone opposite to roots of the molar C) in the infratemporal fossa, it is joined by a branch from the facial nerve to carry the special sensation from the tongue. D) All of the above.

9. Regarding the mandibular nerve, one is TRUE:

7. Regarding the maxillary vessels, one of the following statements is TRUE:

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