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WorksheetsCNS Physiology - Quiz 1.0
Total questions: 60
Worksheet time: 30mins
Which is the EEG Wave recorded in excess depression
alpha
beta
gamma
theta
EEG wave recorded best in frontal regions is
alpha
beta
gamma
delta
K complex and sleep spindle are due to reverberating activities between cerebral cortex and basal ganglia.
True
False
Stage of sleep with largest amount of sleep time in a adult is :
REM
NREM 1
NREM 2
NREM 3
Hippocampal lesions cause :
Anterograde Amnesia only
Anterograde & Retrograde Amnesia
Retrograde Amnesia only
Urine incontinence
Most Common Receptors involved in long term potentiation :
NMDA
GABA
nAChR
5 HT-3 Receptor
Location of wernicke area is
Superior temporal gyrus
Interior temporal gyrus
Inferiar parietal lobule
Superior parietal lobule
Which of the following is not a feature of wernicke's aphasia :
logorrhea
neologism
poor word output
Jargon speech
Which of the following is not a feature of broca's aphasia :
Neologism
Dysarthria
Poor word output
Agrammatic Speech
Which of the following does not occur in NREM sleep :
Somnambulism
Nocturnal Eneuresis
Bruxism
Nightmares
Hypothalamic Nuclei for the regulation of vasopressin is :
Preoptic
Supraoptic
Ventromedial
Paraventricular
All of the following increases food intake except :
Neuropeptide Y
Ghrelin
Malonyl CoA
Orexin
Lesion in Anterior Hypothalamic Nuclei develops :
Hyperthermia
Hypothermia
Major outputs from basal ganglia are from all except :
GPI
Substantia Nigra
Striatum
Basal Ganglia part synthesizing dopamine is :
Substantia Nigra
GPe
GPI
Subthalamic Nuclei
Which of the following is not a characteristic of UMN Lesion?
Babinski sign
Hypertonic muscle
Spastic paralysis
Fibrous muscle
In Left UMN Palsy of facial nerve - Right Entire face is affected!
True
False
In brown sequard syndrome below the level of lesion, on the same side - there is loss of pain, temperature and crude touch
True
False
Hemisection in cervical region leads to constriction of pupil due to damage to the fibres of the root value T - 1,2,3 anterior roots :
True
False
In CSF Circulation, Foramen of magendie opens into :
Cisterna Magna
CerebelloPontine Cistern
Cerebral Aqueduct of Sylvius
Foramen of Monroe
Area of frontal Eye field is :
8
17
18
19
The function of tactile localisation tactile discrimination and spatial recognization is by the area of cerebral cortex :
Supramarginal gyrus
Inferior parietal lobule
Primary sensory area
Superior parietal lobule
Which of the following is not a part of auditory Association area
41
20
21
22
Nerve supply of extrafusal muscle fibres is :
Ia
II
Gamma
Alpha
Nerve supply of muscle spindle is :
Ia
II
Gamma
Alpha motor neuron
Which of the following tracts does not decussate :
Anterior spinothalamic
Lateral spinothalamic
Anterior spinaocerebellar
Posterior spinocerebellar
The nuclei related with unconscious proprioception is :
nucleus proprius
clarke's column
substantia gelatinosa
nucleus gracilis
Lesion in brain stem with spinothalamic tract involvement will lead to ipsilateral loss of pain crude touch , pressure and temperature
True
False
Lesion in spinal cord with dorsal column involvement will lead to ipsilateral loss of vibration fine touch and stereognosis
True
False
Tract associated with decussation at the level of medulla and involvement of nucleus gracilis and cuneatus is :
Dorsal column
Spinothalamic tract
Spinocerebellar tract
Reticulospinal tract
Allodynia is defined as-
Lack of pain perception
Perception of normal stimulus as painful
Decreased sense of pain
None of these
Which of the following is the most sensitive touch receptor-
Merkel cells
Pacinian corpuscles
Meissner's corpuscle
Ruffini's nerve endings
Location of Meissner's corpuscle is:
Epidermis
Dermal papillae
Fat
Muscles
Two point discrimination distance is maximum at:
Back of scapula
Lips
Fingers
All of the above
Which of these is not an algogen:
Histamine
Bradykinin
Endorphin
Substance P
Gate control pathway operates at:
Substansia gelatinosa
Ventro-postro-lateral nucleus
Hypothalamus
Caudate nucleus
What is true regarding tractus cuneatus-
Sensory tract related to upper limb; laterally placed in spinal cord.
Motor tract related to upper limb; laterally located in spinal cord.
Sensory tract related to lower limb; medially placed in spinal cord.
Motor tract related to lower limb; medially placed in spinal cord.
True about sensory cortex:
Situated in parietal cortex
Situated in post-central area
Constitutes Broadman areas- 3,1,2
All of the above
Fine touch and proprioception are transmitted through:
Dorsal coloumn medial leminiscus pathway
Anterolateral pathway
Ventrolateral pathway
None of these
A person suffered severe spinal injury on the right side and has been diagnosed with brown sequard syndrome. Which of the following might have been his findings:
Right sided fine touch sense loss
Left sided loss of pain sensation
Right sided loss of proprioception
All of the above
True about homonculus-
Visceral organs have a small representation area
It is a vertical fashion representation
Area of representation is directly proportional to the size of organ
All of the above
Which of these is a function of cerebellum:
Start and stop signalling
Coordination of movement
Both a and b
Conversion of short term memory to long term memory
Which of these is related to the efferent component of start-stop signal pathway:
Purkinje cells
Dentate nuclei
Golgi cells
None of the above
True statement regarding Mossy fibres:
Also known as spinocerebellar pathway
Produce stimulation of golgi cells
Both a and b
Also known as climbing fibres
What is the other name for, flocculonodular lobe-
Neocerebellum
Vestibulocerebellum
Cerebrocerebellum
Spinocerebellum
Which is the largest nuclei of cerebellum-
Emboliform nucleus
Fastigious nucleus
Globose nucleus
Dentate nucleus
Cerebellar lesions is characterized by-
Resting tremors
Dysdiadekokinesia
Pendular knee jerk
Both b and c
Which of the following is false with respect to muscle spindles?
The intrafusal and extrafusal fibers are positioned paralled to each other
The primary endings of intrafusal fibers are most sensitive to a dynamic response
Type II nerve fibers do not innervate static nuclear bag fibers
Muscle spindle is involved in stretch reflex
Spinocerebellar tract associated with inferior cerebellar peduncle is
anterior Spinocerebellar
posterior spinocerebellar
Area no. 5,7 contributes 40% of the the pyramidal tract in humans
true
false
Reflex postural movement concerned with sight is regulated by
corticospinal tract
rubrospinal tract
tectospinal tract
vestibulospinal tract
Stimulation of extensor and inhibition of flexor is the function of the tract :
corticospinal tract
rubrospinal tract
tectospinal tract
vestibulospinal tract
Which of the following is not a feature of Parkinson's disease
rhythmic contraction of thumb over first two fingers
oscillating movement of limb, present only during movement and is more evident at the end of the movements
cogwheel rigidity
slow monotonous speech
Harder a muscle stretch weaker is the reflex contraction
true
false
Fibres from the primary sensory endings terminate directly on Gamma motor neuron supplying the extrafusal fibres of the same muscle
True
False
All of the following cells in cerebellum are inhibitory except
stellate cell
basket cell
purkinje cell
granule cell
Mossy fibres consists only of spinocerebellar fibres
true
false
Which of the following is not mainly linked with coordination
Flocculonodular lobe
Fastigial nucleus
Globus nucleus
Emboliform nucleus
Cerebellum associated with planning of motor movements mainly is
neocerebellum
vestibulocerebellum
spinocerebellum
Efference copy of the anterior horn motor drive is a chief function of dorsal spinocerebellar tract
true
false
