Nervous physiology MCQ 116+

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• Signs of lower motor neuron lesions include
  ক

  Flaccid paralysis

  খ

  Muscle wasting

  গ

  Fasciculation

  ঘ

  Increased tone

  ঙ

  Increased jerk
• Clinical signs of lower motor neuron lesions are
  ক

  Flaccid type

  খ

  Loss of reflexes of muscles supplied

  গ

  Lengthening of the affected muscles

  ঘ

  Muscular fibrillations

  ঙ

  Hypertrophy of muscles
• Features of Brown-Sequard syndrome are
  ক

  Presence of signs of ipsilateral root or segmental lesion

  খ

  Ipsilateral pyramidal weakness

  গ

  Impaired joint and position sense on the same side

  ঘ

  Impairment of pain and temperature sensation on the contra lateral side

  ঙ

  Bladder symptoms are frequent
• Third cranial nerve palsy causes
  ক

  Divergent squint

  খ

  Ptosis

  গ

  Dilatation of the pupil

  ঘ

  Convergent squint

  ঙ

  Synechia of the pupil
• Clinical feature/s of cluster headache is/are
  ক

  Hemicranial headache

  খ

  Unilateral periorbital pain

  গ

  Nasal congestion

  ঘ

  Thunderclap in nature

  ঙ

  Vomiting
• Neonatal meningitis is caused by following organism/s
  ক

  Group B streptococcus

  খ

  Escherichia coli

  গ

  Streptococcus pneumoniae

  ঘ

  Neisseria meningitides

  ঙ

  Hemophilus influenzae
• Loss of ankle jerk with plantar extensor occur due to
  ক

  Guiilain barre syndrome

  খ

  Taboparesis

  গ

  Cauda equina syndrome

  ঘ

  Friedrich's ataxia
• The following statements are true for dementia
  ক

  It impairs attention

  খ

  Autonomic changes are unusual

  গ

  EEG shows diffuse slow activity

  ঘ

  It has got fluctuating course

  ঙ

  Anorexia is common
• Lid retraction occurs in
  ক

  Sympathetic overaction

  খ

  Dysthyroid eye disease

  গ

  Dorsal midbrain syndrome

  ঘ

  Horner's syndrome

  ঙ

  Demylenation
• Vitamin B12 deficiency is characterized by
  ক

  Loss of ankle jerks

  খ

  Retrobulbar neuritis

  গ

  Loss of pain & temperature sensation of limbs

  ঘ

  No loss of proprioceptive sensation

  ঙ

  Papilloedema.
• The neurological manifestations of B12 deficiency include
  ক

  Dementia

  খ

  Spastic paraparesis

  গ

  Sensory ataxia.

  ঘ

  Mononeuritis multiplex

  ঙ

  Iritis
• Signs of Wallenberg syndrome include
  ক

  Contralateral Horner's syndrome

  খ

  Ipsilateral spinothalamic sensory loss

  গ

  Ipsilateral cerebellar signs

  ঘ

  Vestibular disturbance
• High stepping gait occurs due to
  ক

  Sensory neuropathy

  খ

  Dorsal column leSion

  গ

  Motor neuropathy

  ঘ

  Cerebellar lesion

  ঙ

  Parkinson's disease
• Hypothermia is associated with
  ক

  Increase in surgical site wound infection

  খ

  Increase in 02 demand

  গ

  Reduction of cardiac output

  ঘ

  Prolonged duration of action of muscle relaxants

  ঙ

  Decreased blood viscosity
• Scoring of the Glasgow coma scale includes
  ক

  Verbal response

  খ

  Motor response

  গ

  Eye opening

  ঘ

  Tongue tremor

  ঙ

  Extensor planter reflex
• Vitamin B12 deficiency is characterizedby
  ক

  Loss of ankle jerks

  খ

  Retrobulbar neuritis

  গ

  Loss of pain and temperature sensation of limbs

  ঘ

  No loss of proprioceptive sensation

  ঙ

  Papilloedema
• Features of Horners syndrome are
  ক

  Small pupil that doesn’t react to light

  খ

  Partial ptosis that disappears with tropical phenylephrine

  গ

  Increased sweating of skin around the eye

  ঘ

  Up drawing of lower eyelids

  ঙ

  Conjuctival injection
• Horners syndrome consists of
  ক

  Constriction of pupils

  খ

  Drooping of the upper eyelids

  গ

  Loss of sweating

  ঘ

  Exophthalmos

  ঙ

  Vasoconstriction of cutaneous vessels
• Horner's syndrome is characterized by
  ক

  Ptosis

  খ

  Miosis

  গ

  Facial lıyperhidrosis

  ঘ

  Exophthalmos

  ঙ

  Mydriasis
• Causes of dilated pupil include
  ক

  Third cranial nerve palsy

  খ

  Holmes-Adie pupil

  গ

  Homer’s syndrome

  ঘ

  Argyll-Robertson pupil

  ঙ

  Myasthenia gravis ( intermittent ptosi
• Causes of small pupil
  ক

  Pontine hemorrhage

  খ

  During sleep

  গ

  Horner's syndrome

  ঘ

  Optic atrophy

  ঙ

  Myopia
• In hydrocephalus
  ক

  Excessive accumulation of CSF within the ventricular system of brain (MS

  খ

  July’2022)

  গ

  Normal pressure may be present

  ঘ

  Excessive accumulation of water in the ventricular system.

  ঙ

  Accumulation of CSF in extra ventricular system

  চ

  Entrapped ventricular system
• The cholinergic neurons are
  ক

  All pregnglionic neurons

  খ

  All parasympathetic postganglionic neurons

  গ

  Sympathetic post ganglionic neurons that innervate sweat glands

  ঘ

  Sympathetic post ganglionic neurons that innervate exocrine glands

  ঙ

  Sympahtetic post ganglionic neurons that innervate adrenal medulla
• The transmitter substance at
  ক

  Sympathetic postganglionic nerve ending is usually norepinephrine

  খ

  Parasympathetic ganglia is acetylcholine

  গ

  Sympathetic ganglia is dopamine

  ঘ

  Parasympathetic postganglionic nerve ending is adrenaline

  ঙ

  Parasympathetic preganglionic nerve ending is adrenaline
• Sympathetic vasoconstrictor tone decreases due to increased stimulation of
  ক

  Aortic arch baroreceptors

  খ

  Carotid sinus receptors

  গ

  Pain nerve endings

  ঘ

  Carotid body receptors

  ঙ

  Aortic body receptors
• Stimulation of the sympathetic part of the autonomic nervous system is responsible for
  ক

  Constriction of the pylorus

  খ

  Secretion of the sweat glands

  গ

  Contraction of the smooth muscles of the male genital tract

  ঘ

  Emptying of the urinary bladder

  ঙ

  Contraction of the bronchial smooth muscles
• Stimulation of vagus nerve causes
  ক

  Reduction of the strength of ventricular contraction

  খ

  Secretion and vasodilatation in the salivary gland

  গ

  Mucous secretion from bronchial mucosal ceil

  ঘ

  The gall bladder to contract

  ঙ

  The spleen to contract
• The following processes are brought about by activation of parasympathetic nerve fibers
  ক

  Defaecation

  খ

  Micturition

  গ

  Sweating

  ঘ

  Ejaculation of semen

  ঙ

  Dilatation of pupil
• Lesion of basal ganglia causes
  ক

  Chorea

  খ

  Athetosis

  গ

  Ballism

  ঘ

  Myoclonus

  ঙ

  Tremor
• During deep sleep there is fall in
  ক

  Urine formation

  খ

  Metabolic rate

  গ

  Hand skin temperature

  ঘ

  Blood growth hormone/cortisol ratio

  ঙ

  Arterial Pco2