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