Cogs 17 Week 2

What is an action potential?

• The resting state of a neuron

• The depolarization of a neuron

• The production of proteins

• The transport of nutrients

What are dendrites primarily responsible for in a neuron?

• Releasing outgoing messages

• Reception of incoming messages

• Producing proteins

• Generating ATP

What is the primary function of glial cells?

• Information Transfer

• Nutrient supply to neurons

• Building proteins

• DNA storage

What is the resting potential of most neurons?

• +70 mV

• -70 mV

• 0 mV

• +50 mV

Which type of glial cell is responsible for myelination in the peripheral nervous system?

• Astrocytes

• Oligodendrocytes

• Microglia

• Schwann Cells

What is the primary role of astrocytes?

• Myelination

• Immune defense in the brain

• Providing nutrients to neurons

• Guiding neuron migration

What is the function of the sodium-potassium pump?

• Transports proteins

• Produces ATP

• Transports sodium and potassium ions across the cell membrane

• Regulates DNA replication

What is the function of ribosomes in a cell?

• Produce ATP

• Store DNA

• Site of Protein Production

• Form a double-layered wall

What is the primary function of microglia?

• Nutrient supply

• Immune defense in the brain

• Myelination

• DNA replication

What type of cells form the myelin sheath in the central nervous system?

• Schwann cells

• Astrocytes

• Oligodendrocytes

• Microglia