Nerve Physiology Post Test

Resting membrane potential of neurons?

• -70mv

• +70mv

• -60mv

• +60mv

Part of the neuron responsible for signal integration.

• Dendrites

• Axon hillock

• Axon

• Axon terminal

Membrane depolarization is mediated by the movement of which ions?

• Na+ going in

• Na+ going out

• K+ going in

• K+ going out

Cells responsible for myelination of the peripheral nervous system.

• Schwann cells

• Oligodendrocytes

• Nodes of Ranvier

• Internode

Voltage gated ion channels in the axon terminal.

• Na+

• K+

• Ca+

• Cl-

Neurotransmitter resulting to inhibition of post synaptic potential?

• GABA

• Ach

• Glutamic acid

• Aspartate

Which of the following neurotransmitter receptors do not have a G-protein coupled receptor?

• Ach nicotinic receptors

• Ach muscarinic receptors

• Alpha 1 adrenergic receptors

• Beta 1 adrenergic receptors

Glial cells which acts as the phagocytes in the brain.

• Astrocyte

• Oligodendrocytes

• Ependymal cells

• Microglia