Search
.Management Sciences
Category: Central Nervous System
The pathway of pain from teeth and temperature is carried by ______________?
A. Corticospinal tract
B. Corticocerebral tract
C. Lateral spinothalamic tract
D. Ventral spinothalamic tract
Breathing ceases upon destruction of the___________________________?
A. Cerebrum
B. Medulla oblongata
C. Hypothalamus
D. Cerebellum
Body temperature is maintained by ______________?
A. Postural position
B. Covering of the body
C. Peripheral vasoconstriction
D. all of the above
Which of the following is not true for myelinated nerve fibers______________?
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
Phagocytosis in the CNS is done by _______________?
A. Astrocytes
B. Schwann cells
C. Microglia
D. Oligocytes
Following are extrapyramidal tracts except______________?
A. Reticulospinal
B. Corticospinal
C. Rubrospinal
D. Vestibulospinal
Unmyelinated fibres differ from myelinated fibers in that they ______________?
A. Have increased excitability
B. Have to nodes of Ranvier
C. Have no power of regeneration
D. Have no association of Schwann cells
Lesions within the basal ganglia produce the following signs except_______________?
A. Hypotonia
B. Tremor
C. Hemiballismus
D. Athetosis
The most outer covering of nerve fibres is called as____________?
A. Neurolemma
B. Perineurium
C. Axolemma
D. Myelin sheath
Which sensation is not lost on the side of lesion in brown sequard syndrome ?
A. Touch
B. Vibration sense
C. Muscle sense
D. Temperature
Recent Comments