Nervous System Cells Quiz 1

What is the function of astrocytes in the nervous system?

• Brace and anchor neurons to blood capillaries

• Form myelin sheath around nerve fibers in the PNS

• Produce myelin sheaths

• Monitor health of nearby neurons

What is the function of astrocytes in the nervous system?

• • Determine permeability and exchanges between blood capillaries and neurons

• Form myelin sheath around nerve fibers in the PNS

• Produce myelin sheaths

• Monitor health of nearby neurons

What is the function of astrocytes in the nervous system?

• • Determine permeability and exchanges between blood capillaries and muscles

• Form myelin sheath around nerve fibers in the PNS

• Protect neurons from harmful substances in blood

• Monitor health of nearby neurons

Tags

NGSS.HS-LS1-3

What is the function of astrocytes in the nervous system?

• • Determine permeability and exchanges between blood capillaries and muscles

• Form myelin sheath around nerve fibers in the PNS

• • Control the chemical environment of the brain

• Monitor health of nearby neurons

What is a property of astrocytes in the nervous system?

• • Determine permeability and exchanges between blood capillaries and muscles

• Smallest of the neuroglia

• • Control the cells of the brain

• • Abundant, star-shaped cells

What is a property of microglia in the nervous system?

• • Determine permeability and exchanges between blood capillaries and muscles

• Spiderlike phagocytes

• • Control the cells of the brain

• • Abundant, star-shaped cells

What is the role of microglial cells in the nervous system?

• Wrap around nerve fibers in the central nervous system

• Dispose of debris

• Protect and cushion neuron cell bodies

• Line cavities of the brain and spinal cord

What is the role of microglial cells in the nervous system?

• Wrap around nerve fibers in the central nervous system

• Monitor health of nearby neurons

• Protect and cushion neuron cell bodies

• Line cavities of the brain and spinal cord

Tags

NGSS.HS-LS1-3

What do ependymal cells do in the nervous system?

• Determine permeability and exchanges between blood capillaries and neurons

• Assist with circulation of cerebrospinal fluid

• Control the chemical environment of the brain

• Form myelin sheath around nerve fibers in the PNS

What do ependymal cells do in the nervous system?

• Determine permeability and exchanges between blood capillaries and neurons

• Line cavities of the brain and spinal cord

• Control the chemical environment of the brain

• Form myelin sheath around nerve fibers in the PNS