Neural Tissue — Prelims Questions

Which of the following statements about the resting membrane potential of a neuron is INCORRECT?

Which type of glial cell is responsible for forming the myelin sheath in the peripheral nervous system (PNS)?

During the depolarization phase of an action potential, which ion channels open and which ions move?

Nissl granules are found in which part(s) of a neuron?

Which of the following describes the function of astrocytes?

Which of the following events occurs first during synaptic transmission at a chemical synapse?