Each question in this quiz is timed.
The spinal chord is anchored to the dura matter by :
Coccygeal ligament
Ligamentum flavum
Anterior longitudenal ligament
Denticulate ligament
Cauda equina
Nerve cell groups in the dorsal grey coloumn of spinal chord include
Intermediomedial group
Intermediolateral group
Central group
Nucleus proprius
None of the above
Regarding the descending tracts of the spinal cord , select the correct answer
Corticospinal tracts are concerned with skilled movements
Vestibulospinal is a crossed tract
Rubro-spinal arises from ipsilateral red nucleus
Medial reticulospinal tract arises from medulla
Olivospinal arises from superior olive
Complete section of spinal cord at the level of C6 causes
Death
Quadriplegia
Hemiplegia
Paraplegia
Monoplegia
Upper motor neuron lesion is characterized by
Hypotonia
Marked wasting of muscles
Restricted extent of paralysis
Absent cremastric and abdominal reflexes
Plantar flexion of big toe on scratching the sole
Following tracts pass through superior cerebellar peduncle EXCPET
Hypothalamocerebellar
Dorsalspinocerebellar
Ventralspinocerebellar
Tectocerebellar
Following tract carries pain sensation
Posterior spinocerebellar
Anterior spinocerebellar
Lateral spinothalamic
Vestibulospinal
Lumbar puncture is normally done between
T12 and L1
L1 and L2
L4 and L5
S1 and S2
Following tracts pass through inferior cerebellar peduncle EXCPET
posterior spinocerebellar tract
Posterior external arcuate fibers
Vestibulo cerebellar tract
Following groups are present in the dorsal horn of spinal cord EXCEPT
SGR
Nucleus proprious
Clarke's coloumn
Phrenic Nucleus
the foramen magnum transmits all of the following except ?
dural viens
medulla
vertebral arteries
internal carotid artery
Which of the following transmits a nerve branch to the meninges?
Foramen spinosum
Foramen Ovale
Foramen magnum
Mastoid foramen
The jugular foramin transmit all th3 following EXCEPT
Vagus N.
Accessory N.
Sigmoid sinus
Sympathatic plexus
Regarding the anterior facial vien all are true except :
Begins at the medial angle of the eye
Connected to pterygoid venous plexus
Join posterior facial to form external jugular
Leaves face at inferior angle of masseter
Emissary veins passing through mastoid foramen opens in :
Transverse sinus
Superior sagittal sinus
Cavernous sinus
All the following nerves exit the cranial cavity through an opening in the middle cranial fossa except
Abducent
Trigeminal
Occulomotor
Facial
Sensory supply of the lobule of the ear
Greater occipital
Buccal
Mandibular
Great Auricular
Parotid duct opens into
Floor of the mouth at sublingual fold
Floor of the mouth at sublingual papillea
Vestibule of the mouth opposite to 2nd molar
The chorda tympani N. carry which component before joining the lingual N.
Preganglionic sympathatic
Post ganglionic sympathatic
Preganglionic parasympathatic
Postganglionic parasympathatic
A patient is unable to taste a piece of sugar placed on the anterior part of the tongue. Which cranial nerve is most likely to have a lesion
Facial N.
Glossopharyngeal N.
Hypoglossal N.
Occulomotor N.
The temporomandibular joint is characterized by all EXCEPT:
A capsule strengthed by ligaments on its lateral side
A completely flat surface for its gliding movement
An articular disc
Extracapsular ligaments
The surgical removal of a metastatic tumor in the infratemporal fossa caused an intense hemorrhage. The surgeon clamped the main source of arterial supply to the area, which is the:
Internal carotid
Posterior Auricular
Maxillary
Lingual
After the mandibular condyle is moved forward onto the articular eminence (e.g., by opening the mouth widely), what muscle can then retract the mandible?
Superficial head of masseter
Deep head of masseter
Anterior part of temporalis
Posterior part of temporalis
Two nerves usually emerge from between the two heads of the lateral pterygoid muscle: the anterior deep temporal nerve and the:
Masseteric N.
Buccal N.
Lingual N.
Inferior Alveolar N.
In acute inflammation (arthritis) of the TMJ, the muscle most likely to be affected by the inflammatory process is the:
Temporalis
Medial pterygoid
Masseter
Lateral pterygoid
In dislocation of the jaw, displacement of the articular disc beyond the articular tubercle of the temporomandibular joint results from excessive contraction of which muscle:
The lesser petrosal nerve carries preganglionic parasympathetic fibers to the:
Cilliary ganglion
Otic ganglion
Submandibular gagnglion
Geniculate ganglion
loss of blinking is due to paralysis of which muscle
Orbital part of orbicularis oculli
Palpebral part of orbicularis oculli
Lacrimal part of orbicularis oculi
Levator palpebrea superioris
the parotid duct pierces which of the following:
Masseter muscle
Buccinator
Investing fascia
Hypoglosus muscle
All are branches of Nasociliary N. EXCEPT :
Long cilliary
Lacrimal
Anterior ethmoidal
Posterior ethmoidal
