Neurons & Neurotransmitters

What does (E) represent?

• axon

• myelin sheath

• dendrite

• Nodes of Ranvier

Which pathway does an electrical impulse travel?

• axon-->synapse-->dendrite

• dendrite-->axon-->synapse

• synapse-->axon-->dendrite

Fight-flight-or-freeze is controlled by which branch of the nervous system?

• somatic nervous system

• sympathetic nervous system

• peripheral nervous system

• parasympathetic nervous system

Which branch of the nervous system is in control of when you are resting and relaxed?

• somatic nervous system

• sympathetic nervous system

• peripheral nervous system

• parasympathetic nervous system

The Somatic Nervous System controls which of the following muscles?

• cardiac muscles

• skeletal muscles

• smooth muscles

What is the function of a microglial neuron?

• To contract skeletal muscles.

• To provide immunity in nervous tissue.

• To connect neurons to a blood supply.

What is the function of an astrocyte?

• To contract skeletal muscles.

• To provide immunity in nervous tissue.

• To connect neurons to a blood supply.

What is the function of an oligodendrocyte?

• To myelinate neurons in the SNS.

• To myelinate neurons in the CNS.

• To myelinate neurons in the PNS.

What is the function of a Schwann cell?

• To myelinate neurons in the SNS.

• To myelinate neurons in the CNS.

• To myelinate neurons in the PNS.

What is the function of a sensory neuron?

• Carries impulses from an organ such as the skin to the central nervous system.

• Stimulates the skeletal muscles to contract to causes muscle movement.

• Interprets sensory information and sends impulses to motor neurons.