Nervous System Lessons Quiz

Which of the following are the parts of neurons?

• brain, spinal cord, and vertebral column

• dendrite, axon, and cell body

• sensory and motor

• cortex, medulla and sheath

A dendrite conducts nerve impulses ________ the cell body.

• away from

• toward

• both toward and away from

• around, by passing

In sensory neurons, stimuli are received by the

• axon

• dendrites

• cell body

• myelin

Gaps in the myelin sheath are called _______.

• nodes of Ranvier

• the synapse

• axonal interstices

• myelinoids

The "sodium-potassium pump" pumps ___________.

• sodium ions out and potassium ions in

• sodium ions in and potassium ions out

• sodium and potassium ions in

• sodium and potassium ions out

A nerve impulse is received first by what part of the neuron?

• axon

• synapse

• dendrite

• soma

This controls involuntary actions.

• cerebellum

• cerebrum

• brain stem

• spinal cord

The nervous system is made of the

• brain, heart, lungs

• brain, spinal cord, lungs

• brain, spinal cord, lungs

• brain, spinal cord, neurons

The ______ is considered the control center of the body.

• heart

• brain

• spinal cord

• mouth

Neurons carry electrical signals called ________ from one part of the body to another.

• reflexes

• charges

• impulses

• axons

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NGSS.MS-LS1-8