NEUROLOGY MCQ – Exercise 1 | NatBoardMCQs.com

The multiple choice questions in this online test paper focuses on NEUROLOGY MCQ. If you are looking for self evaluation of your PG Medical entrance exam preparation then this online NEUROLOGY MCQ Test Paper will help you to evaluate your exam preparation.

Instruction for REPRODUCTIVE BIOLOGY/ REPRODUCTIVE MEDICINE / INFERTILITY MCQs:

1- This online MCQ practice test paper contains 30 questions.
2- Each question in this online practice test paper have four options and only 1 option is correct.
3- You can view the answers of this practice test paper after submitting the practice test paper.
Note: The answers mentioned at the end of practice test are the best suitable option as per our knowledge. Users shall cross-check the answers with their textbooks.

Q 1. paraparesis can arise due to

anterior horn cell disorder

cauda equine syndrome

peripheral neuropathies

any of the above

Q 2. true regarding rigidity

present throughout range of motion

affects flexors and extensors equally

occurs with extrapyramidal disorders

all of the above

Q 3. true regarding paratonia

increased muscle tone

affects flexors and extensors equally

results from disease of frontal bones

all of the above

Q 4. false regarding motor neurons

α motor neurons innervate extrafusal muscle fibres

¥ motor neurons innervate intrafusal muscle fibres

α motor neurons receives direct excitatory input from corticomotor neurons and primary muscle spindle afferents

α motor neurons receives direct excitation from Renshaw cell interneurons

Q 5. mature human brain consists of how many synapses

~10 10

~10 15

~10 20

~10 25

Q 6. cerebral cortex of human brain has an area of

.5 m2

1.5 m2

2.5 m2

3.5 m2

Q 7. cereberal cortex contains how many neurons

5 billion

10 billion

20 billion

50 billion

Q 8. false about upper motor neuron weakness

proximal muscle groups affected more than distal

axial movements spared

affects ability to perform rapid repetitive movements

normal movement rhythmicity is maintained

Q 9. increased muscle tone is found in

increased muscle tone is found in

rigidity

paratonia

all of the above

Q 10. cell bodies of upper motor is in which layer of primary motor cortex

layer III

layerIV

layer V

layer VI

Q 11. mature human brain consists of how many neurons

10 million

100 million

10 billion

100 billion

Q 12. true regarding spasticity includes

velocity dependent

sudden release at maximum

affects antigravity muscles

all of the above

Q 13. true regarding fasciculation

visible twitch

palpable twitch

spontaneous discharge of a motor unit

all of the above

Q 14. tone is the resistance of muscle to

active stretch

passive stretch

gravitational stretch

anti gravity stretch

Q 15. primary sensory and motor areas constitutes what percentage

10%

15%

20%

25%

Q 16. pure motor hemiparesis of the face , arm or leg is due to a lesion in

posterior limb of internal capsule

cerebral peduncle

upper pons

any of the above

Q 17. nissl bodies are composed of

endoplasmic reticulum

mitochondria

lysosomes

golgi complex

Q 18. pyramidal axons innervate most densely with which lower motor neurons

of foot muscles

of hand muscles

of axial muscles

of face muscles

Q 19. a language disturbance occurring after a right hemisphere lesion in a right hander is called

ipsilateral aphasia

sequence aphasia

crossed aphasia

retro aphasia

Q 20. acute paraparesis can be due to which disease of cereberal hemisphere

superior sagittal sinus thrombosis

cortical venous thrombosis

acute hydrocephalous

any of the above

Q 21. anomia refers to

naming with the wrong word

deficit of naming

naming a different object

any of the above

Q 22. false regarding myopathic weakness includes

due to disorders of muscle fibres

due to defect in neuromuscular junction

in EMG , size of each motor unit action potential is reduced

distribution of weakness is distal

Q 23. monogenetic disorder includes

familial Alzheimer`s disease

frontotemporal dementia

Parkinson`s disease

all of the above

Q 24. true regarding paratonia

also called gegnhalten

increased tone varies irregularly

present throughout range of motion

all of the above

Q 25. what percentage of 23000 genes encoded in human genome are expressed in human nervous system

1/4

1/3

1/2

3/4

Q 26. descending ventromedial bulbospinal pathways include

tectospinal pathway

vestibulospinal pathway

reticulospinal pathway

all of the above

Q 27. true regarding flaccidity

weakness

decreased tone

disorder of motor unit

all of the above

Q 28. percentage of pyramidal axons which do not decussaye and remain ipsilateral

2-10%

5-15%

10-30%

20-35%

Q 29. synaptic glomeruli are found in

cerebellum

olfactory bulb

lateral geniculate body

all of the above

Q 30. true regarding low motor neuron weakness includes all except

due to loss of α neurons

due to loss of ¥ neurons

absent tendon stretch reflexe suggests involvement of spindle afferent fibres

fasciculations significantly signify anterior horn cell disease

NEUROLOGY MCQ – Exercise 1

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NEUROLOGY MCQ – Exercise 1

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