Option - Neurobiology

Which part of the neuron is primarily responsible for receiving signals from other neurons?

What is the main function of the myelin sheath in neurons?

In the context of neurobiology, what is the resting membrane potential of a typical neuron?

Which ion is primarily responsible for the depolarization phase of an action potential?

Which neurotransmitter is most commonly associated with muscle contraction at the neuromuscular junction?

During an action potential, which of the following events occurs first?

Which of the following best describes saltatory conduction?

In the Indian context, which neurological disorder is characterized by degeneration of dopaminergic neurons in the substantia nigra?

Which of the following brain regions is primarily involved in coordinating voluntary muscle movements?

Calculate the Nernst potential for potassium ions (K⁺) at 37°C if the intracellular concentration is 140 mM and the extracellular concentration is 5 mM. (Use R=8.314 J/mol·K, F=96500 C/mol, T=310 K, and the formula E = (RT/zF) * ln([K⁺]_outside/[K⁺]_inside))