Download Part two: neuroanatomy: 35 marks Q 4 answer T for true statement F

Part two: neuroanatomy: 35 marks
Q 4 answer T for true statement F for false statement:(CORRECT ANSWER +2/INCORECT-1) 30 marks
1.
The spinal cord give rise to 31 pairs of spinal nerves.T
2.
The CSF is produced mainly from choroid plexus within the lateral ventricle.T
3.
Each spinal nerve emerge from intervertebral foramen below the corresponding vertebra.F
4.
The spinal cord has conical termination known as conus medullaris.T
5.
The posterior white column of spinal cord contain ascending tract only.T
6.
The glossopharyngeal nerve emerge from groove between pyramid& olive in the medulla oblongata.F
7.
The pons divided into anterior part called tegmentum &posterior part called basal.F
8.
The superior colliculi on posterior surface of midbrain are center for visual reflex.T
9.
The cerebellum is the largest part of hind brain situated in the middle cranial fossa.F
10. neocerebellum concerned with gross movement of body.F
11. Commissure fibers are white matter essentially connect the corresponding region of two hemisphere. T
12. The dura matter of cranial cavity formed of inner layer called dura matter proper &outer layer called
endosteum.T
13. The upper (convex) border of falx cerebri contain the superior sagittal venous sinus.T
14. The posterior cerebral artery give cortical branch supply the lateral surface of cerebral hemisphere. F
15. The superior salivary nucleus of fascial nerve supply the parotid gland.F
Q6 choose the most appropriate answer: 20 marks:
1a)
b)
c)
d)
e)
palatine tonsils:
Located in nasopharynx.
Blood supply by superior thyroid artery.
Two masses of lymphoid tissue between palatal folds.
Increase in size after puberty.
can't be regards as part of waldayer ring
2a)
b)
c)
d)
e)
facial vein :
The facial vein is formed at the medial angle of the eye by the union of the supraorbital and
supratrochlear veins.
Connected through the retinal veins with the cavernous sinus.
The facial vein descends down the face with the facial nerve.
Is joined by the posterior division of the retromandibular vein.
Drains into the subclavian vein.
3a)
b)
c)
d)
e)
concerning muscles of tongue (choose true) ;
Motor innervation is by glossopharyngeal nerve.
Mainly smooth muscles.
Can be classified in to intrinsic and extrinsic.
Extrinsic muscles confined to tongue.
intrinsic muscles protrude the tongue
4a)
b)
c)
palate:
Is composed of soft and hard palate.
Levator veli palatine is supply by superior laryngeal nerve.
Sensory innervation is by vagus nerve.
d)
e)
Forming the floor of mouth.
All are true.
5a)
b)
c)
d)
e)
The following statements concerning the submandibular lymph nodes are correct except which?
They drain into the deep cervical lymph nodes.
They drain the tip of the tongue.
They drain the skin of the forehead.
They are situated on the superficial surface of the submandibular salivary gland.
They drain the mucous membrane lining the cheek
6a)
b)
c)
d)
e)
regarding larynx
Situated in midline between C2-C5.
Composed of muscles and cartilages only.
Thyroid cartilage is the largest one.
All are true.
All are false.
7a)
b)
c)
d)
e)
regarding pharynx:
Length is 13 cm.
Divided into nasopharynx and hypopharynx.
Its muscular tube of upper aero digestive tract.
Extend from skull base to lower mandible.
All true.
8a)
b)
c)
d)
Muscles of neck
Sternocleidomastoid supplied by facial nerve.
Digastric has three bellies.
Mylohyoid form the floor of mouth.
Platysma supplied by spinal part of accessory nerve.
9-
The following muscles of the pharynx receive their motor innervation from the pharyngeal plexus via
the cranial part of the accessory nerve except which?
Superior constrictor
Palatopharyngeus
Stylopharyngeus
Middle constrictor
Salpingopharyngeus.
a)
b)
c)
d)
e)
10- Which of the following muscles elevates the soft palate during swallowing?
a) Tensor veli palatini
b) Palatoglossus
c) Palatopharyngeus
d) Levator veli palatini
E)Salpingopharyngeus
Q8 answer one of the following? 5 marks
A.
B.
Describe nerve supply of tongue?
Anterior two thirds: Lingual nerve branch of mandibular division of trigeminal nerve (general sensation) and
chorda tympani branch of the facial nerve (taste)
Posterior third: Glossopharyngeal nerve (general sensation and taste)
Motor by hypoglossal nerve
Give short note about waldayers ring?
The lymphoid tissue in the pharyngeal aponeurosis aggregates in some areas forming tonsils:
1-one nasopharyngeal tonsil
2 -two palatine tonsils
3- two lingual tonsils