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.Management Sciences
Category: Central Nervous System
Neurotransmitter in nigrostrial pathway is_______________?
A. Dopamine
B. GABA
C. Acetyl choline
D. Nor epinephrine
Blood supply to the brain during moderate exercise________________?
A. decreases
B. Remains constant
C. Increases
D. Increases then decreases
In cerebellar disease, all the statements are correct except______________?
A. The romberg’s sign is positive
B. There is adiodokokinesia
C. There is pendular knee jerk
D. There is involuntary termor
In CNS, the myelination is carried out by _____________?
A. Schwann cells
B. Astrocytes
C. Oligodendrocytes
D. Microglia
Hunger centre of brain is________________?
A. Hypothalamus
B. Stria nigra
C. Frontal lobe
D. Temporal lobe
Hyper kinetic syndromes such as chorea and athetosis are usually associated with pathological changes in_______________?
A. Motor areas of cerebral cortex
B. Anterior hypothalamus
C. Pathways for recurrent collateral inhibition in the spinal cord
D. Basal ganglia complex
The cell junctions allowing exchange of cytoplasmic molecules between two cells are called________________?
A. Gap junctions
B. Tight junctions
C. Anchoring junctions
D. Focal junctions
First change to occur after nerve cut is_______________?
A. Schwan cell mitosis
B. Axonal sprouting
C. Myelin sheath degeneration
D. Nuclear disintegration
Which of the following acts as a neurotransmitter inhibitor _______________?
A. Glutamate
B. GABA
C. Aspartic acid
D. Lysin
Preganglionic parasympathetic fibers are_______________?
A. Somatic only
B. Parasympathetic
C. Sympathetic
D. Cholinergic
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