Neurosurgery HARD MCQs need your help

[Dr.Hadi.11]

I need your help in these Neurosurgery Qs please help me

 

1. Cranial N damage will be intially produced by one of the following lesion:

a. oculomotor N is most commonly involve in subfrontal meningioma.

b. Facial N is mostly involved in acoustic neurinoma

c. Homonymous hemianopia mostly result from pituitary tumor

d. 3rd, 4th, 6th CN plasies result from Carotid cavernous fistula.

e. optic N damage by lateral sphenoid wing meningioma

 

2. which of the following is TRUE about pituitary adenoma ?

a. pituitary macroadenoma defined by compression of 3rd ventricle

b. they always secrete hormones

c. ACTH tumor cause acromegaly ( answer in old exam but I'm 100% sure it's WRONG )

d. cardiomyopathy could be one of the presentation ( another old answer ?!! )

e. prolactin secreting pituitary adenoma present in women with visual loss.

 

 

4. 35 year old female with head injury 4 hours previously her GCS is 7 , which one will NOT improve her outcome ?

a. avoid/ prevent hypoxia

b. induced hypothermia

c. avoid hypercapnea

d. Ca channel antagonist

e. prevent hypotension

 

5. regarding normal brain, which is NOT true ?

a. 4% of body weight ( DR said is 2% )

b. 20% of blood O2 supply

c. 15% of Cardiac output

d. autoregulation curve shifted to right in untreated chronic hypertension

e. hypoxemia is a powerful stimulus for cerebral vasodilation. ( old answer )

 

6. male patinet with coma, no eye no verbal response in decorticate position , what is TRUE about ttt :

a. diuretics is contraindicated ( WRONG )

b. ventilation is final step ( WRONG )

c. burrhole is needed for evacuation of hematoma

d. monitering ICP is not necessary

 

7. all of following cause enlargement of cerebral ventricles due to obstruction of CSF flow except one is least likely to :

a. epidural hematoma ??

b. IVH ( yes )

c. ependymoma ( yes )

d. subarachnoid hemorrhage ??

e. aqueduct stenosis ( yes )

 

Q8. with regard epidural hematoma which one is true

a. at least most of patinet managed without operation ( WRONG )

b. lucid interval occurs almost in three fourths of patients ???

c. most common occur from injury to branch of internal carotid ( WRONG )

d. is seen often with temporal linear fracture ??

e. seen only after sever head injury ( I think wrong )

 

Q9. Cerebral perfusion pressure :

a. is calculated by dividing the MAP by ICP ( wrong )

b. protocal do not necessarily requires ICP measurement

c. improve by lowering the BP

d. mangement requires precise ICP monitering

e. measurement have not been shown to have clinical utility & are of investigational use only