neurosurgical_anatomy1

Couldn't confirm presence of Flash 8 or higher because JavaScript was disabled.Get FlashI really do have Flash installed.ul{margin-top:0px;margin-bottom:0px;list-style-type:none;padding-left:20px;}1. Petrosal segment of the internal carotid artery does not give any branches

[ ] a. True

[ ] b. False

2. The apices of the Glasscock triangle:
facial hiatus, anterior margin of the foramen ovale (or foramen spinosum), the point where the greater superficial petrosal nerve crosses the lateral border of the V3

[ ] a. True

[ ] b. False

3. Which of the following does not form an apex of the Kawase triangle

[ ] a. facial hiatus

[ ] b. Where the greater superficial petrosal nerve crosses the V3

[ ] c. foramen spinosum

[ ] d. dural hiatus of the Meckel's cave

4. At percutaneous radiofrequency retrogasserian rhizotomy: which division of the trigeminal nerve is likely to be stimulated, if the tip of the electrode is seen at the level of the clivus (On lateral skull X-day)?

[ ] a. V1

[ ] b. V2

[ ] c. V3

5. Which of the following ligaments mark the transition of the ICA from lacerum segment to cavernous segment

[ ] a. Petrosphenoid ligament

[ ] b. Petrolingual ligament

6. Which ligament overlies the CN VI in the Dorello's canal

[ ] a. Petrolingual ligament

[ ] b. Petrosphenoidal ligament

7. On oculomotor nerve and trochlear nerve enter the cavernous sinus through its roof (oculomotor triangle), what is the relation of the trochlear nerve entry-point to that of the oculomotor nerve entry-point?

[ ] a. anterior lateral

[ ] b. posterior lateral

[ ] c. antero-medial

[ ] d. postero-medial

8. Which of the following form the posterior margin of the Parkinson's triangle

[ ] a. lower margin of the trochlear nerve

[ ] b. upper margin of the ophthalmic nerve

[ ] c. line connecting the entry points of trochlear and ophthalmic nerve into the cavernous sinus

9. The meningohypophyseal trunk (MHT) arises from the posterior ascending segment of the intracavernous carotid artery. Which is the most constant branch of the MHT?

[ ] a. dorsal meningeal artery

[ ] b. Bernasconi-Cassinari artery

[ ] c. Inferior hypophyseal artery

10. Which of the following is usually not a branch of the intracavernous carotid artery

[ ] a. meningohypophyseal trunk

[ ] b. inferolateral trunk

[ ] c. McConnell's capsular aretery

[ ] d. superior hypophyseal artery

11. The exact locations and the extent of the intercavernous sinuses are variable. However, in generally which intercavernous sinus is larger.

[ ] a. anterior

[ ] b. posterior

12. Carotid cave is medial to the clinoid carotid artery

[ ] a. True

[ ] b. False

13. The 'Clinoid space' (Kobayashi) is lateral to the clinoidal carotid artery

[ ] a. True

[ ] b. False

14. Cavernous segment of the carotid artery ends at the distal dural ring

[ ] a. True

[ ] b. False

15. Drilling off the anterior clinoid process can lead to rhinorrhoea

[ ] a. True

[ ] b. False

16. Opthalmic artery aneurysm can lead to inferior nasal quadrantanopia

[ ] a. true

[ ] b. false

17. In its commonest configuration the persistent trigeminal artery connects the cavernous carotid artery to the basilar artery.

[ ] a. True

[ ] b. False

18. Which of the following artery often crosses the optic tract twice in its course

[ ] a. posterior communicating artery

[ ] b. anterior choroidal artery

19. Occlusion of the anterior choroidal artery can cause contralateral hemiplegia, hemianaesthesia and hemianopia ("triple H"):

[ ] a. True

[ ] b. False

20. "Fetal' posterior communicating artery (PCoA): when ipsilateral PCoA is larger than ipsilateral P1

[ ] a. True

[ ] b. False

21. Infarct of the superior division of the MCA can cause brachiofacial paralysis

[ ] a. True

[ ] b. False

22. Which of the following clinical features is NOT a feature of lateral medullar syndrome

[ ] a. nausea

[ ] b. vomiting

[ ] c. contralateral hemiparesis

[ ] d. ipsilateral decrease in facial pain and temperature sensation

[ ] e. Horner's syndrome

[ ] f. dysarthria/dysphagia

23. Which of the following is NOT a feature of medial medullary syndrome

[ ] a. Contralateral spastic hemiparesis

[ ] b. Ipsilateral flaccid tongue

[ ] c. loss of light touch an vibration

[ ] d. Horner's syndrome

24. Which of the following is usually NOT a feature of post-operative damage to supplementary motor cortex (SMA):

[ ] a. contralateral apraxia

[ ] b. reduced spontaneous contralateral movement

[ ] c. improve over weeks

[ ] d. increased tone in the contralateral limb

25. Which of the following best describes the Parinaud syndrome:

[ ] a. up gaze palsy

[ ] b. no or poor response of pupils to light

[ ] c. intact pupillary accommodation reflex

[ ] d. Inability to converge the eyes

[ ] e. dilated (mid-dilated) pupils

[ ] f. convergence-retraction nystagmus (eyes pull inward on gaze and eyeballs retract)

[ ] g. Eyelid retraction (Collier's sign)

[ ] h. down gaze palsy

[ ] i. All of the above