A. Myelin degeneration
B. Axonal degeneration
C. Mitosis of schwann cell
D. Sprouting
First change to occur in the distal segment of cut________________? Read More »
Central Nervous System, Medical Mcqs, Physiology Mcqs A. Dopamine
B. GABA
C. Acetyl choline
D. Nor eephrine
Neurotransmitter in nigrostrial pathway is_______________? Read More »
Central Nervous System, Medical Mcqs, Physiology Mcqs A. Near sightedness
B. Far sightedness
C. Constriction of the pupil
D. Dilation of the pupil
The term ‘myopia’ refers to ______________? Read More »
Central Nervous System, Medical Mcqs, Physiology Mcqs A. Broca’s area
B. Sensory area
C. Primary motor area
D. Visual area
Aphasia is most likely associated with a lesion in_______________? Read More »
Central Nervous System, Medical Mcqs, Physiology Mcqs A. fibers
B. fibers
C. Parasympathetic fibers
D. Sympathetic fibers
Abdominal visceral pain is transmitted by ________________? Read More »
Central Nervous System, Medical Mcqs, Physiology Mcqs A. Proprioceptors
B. Nociceptors
C. Exteroceptors
D. Chemo receptors
The Sensory receptors serving the stretch reflex are classified as___________? Read More »
Central Nervous System, Medical Mcqs, Physiology Mcqs A. Have increased excitability
B. Have to nodes of Ranvier
C. Have no power of regeneration
D. Have no association of Schwann cells
Unmyelinated fibres differ from myelinated fibers in that they ______________? Read More »
Central Nervous System, Medical Mcqs, Physiology Mcqs A. Basal ganglia
B. Pain pathway
C. Pyramidal tract
D. Parathyroid gland
Tremors are seen in disorder of_________________? Read More »
Central Nervous System, Medical Mcqs, Physiology Mcqs A. Impulse through myelinated fibers is slower than non- myelinated fibers
B. Membrane currents are generated at nodes of Ranvier
C. Saltatory conduction of impulses is seen
D. Local anesthesia is effective only when the nerve is not covered by myelin sheath
Which of the following is not true for myelinated nerve fibers______________? Read More »
Central Nervous System, Medical Mcqs, Physiology Mcqs A. Hypotonia
B. Tremor
C. Hemiballismus
D. Athetosis
Lesions within the basal ganglia produce the following signs except_______________? Read More »
Central Nervous System, Medical Mcqs, Physiology Mcqs