An experimental drug selectively inhibits the function of astrocytes. What direct consequence would MOST likely be observed in neuronal function?
Increased rate of neurotransmitter synthesis
Enhanced myelination of axons
Impaired regulation of the extracellular ionic environment
Accelerated action potential propagation
Related Questions
Which is the largest body cell?
Neurons
RBCs
Osteocytes
Sperms
Nissl’s granules are found in all except
Cyton
Dendrites
Axon
Cell body
The abundance of Nissl bodies in a neuron suggests a high rate of which cellular process?
Lipid metabolism
Carbohydrate breakdown
Protein synthesis
ATP production
Bipolar axons are found in
Retina
Cerebral cortex
Spinal cord
Skeletal muscle
Which statement is correct about nerve fibres?
All nerve fibres of CNS are enclosed by Schwann cells
Only myelinated nerve fibres of PNS are enclosed by Schwann cells
All nerve fibres of PNS are enclosed by Schwann cells
Only myelinated fibres of CNS are enclosed by Schwann cells
Which of the following statements is true?
Saltatory conduction is seen in non-myelinated nerve fibres
Nissl’s granules are found in muscles fibres
Non-myelinated nerve fibres do not posses nodes of Ranvier
Non-myelinated nerve fibres are completely enclosed by myelin sheath
What used to be described as Nissl’s granules in a nerve cell are now identified as?
Ribosomes
Mitochondria
Cell metabolities
Fat granules
The …… nerve fibres are enveloped with Schwann cells, which form a myelin sheath around the axon
Myelinated
Non-myelinatd
Afferent
Efferent
The myelin sheath, which insulates axons, is primarily composed of:
Proteins
Carbohydrates
Lipids
Nucleic Acids
