6.1 Vocab

What are glial cells that absorb and dispose of dead cells and bacteria called?

• Astrocytes

• Microglia

• Oligodendrocytes

• Schwann cells

Which glial cells link neurons to capillaries and control the chemical environment to protect neurons from harmful substances in the blood?

• Astrocytes

• Microglia

• Ependymal cells

• Satellite cells

What is the intersection between a neuron and another neuron, a muscle, a gland, or a sensory receptor called?

• Synapse

• Axon

• Dendrite

• Node of Ranvier

Which glial cells wrap around the axons of some neurons in the PNS, providing them with a myelin sheath that speeds up their rate of transmission?

• Schwann cells

• Oligodendrocytes

• Astrocytes

• Microglia

What are sensory transmitters that send impulses from receptors in the skin, muscles, and joints to the CNS called?

• Afferent nerves

• Efferent nerves

• Interneurons

• Motor neurons

Tags

NGSS.MS-LS1-8

Which branch of the nervous system controls involuntary body functions?

• Autonomic nervous system

• Somatic nervous system

• Central nervous system

• Peripheral nervous system

What are the processes through which the CNS receives and processes sensory input from the PNS and coordinates outgoing motor input?

• Integration

• Transmission

• Reception

• Conduction

What are the fatty bands of insulation surrounding axon fibers called?

• Myelin sheaths

• Dendrites

• Synapses

• Axon terminals

What are all parts of the nervous system external to the brain and spinal cord known as?

• Peripheral nervous system

• Central nervous system

• Autonomic nervous system

• Somatic nervous system

Which glial cells serve as cushioning support cells within the PNS?

• Satellite cells

• Astrocytes

• Microglia

• Ependymal cells