YMHA Units 1-7 Quiz

Which part of a neuron carries its informational output to the next cell or target?

• Dendrite

• Axon

• Myelin

• Glia

Which system is made up of the brain and the spinal cord?

• Peripheral Nervous System

• Central Nervous System

• Endocrine System

• Circulatory System

What is the wrinkly outer layer on the surface of the brain called?

• Sulci

• Gyri

• Cerebral Cortex

• Hemisphere

What are the bumps on the surface of the brain called?

• Sulci

• Gyri

• Cortex

• Axons

Which term refers to one half of the brain?

• Sulcus

• Hemisphere

• Cortex

• Dendrite

What is the function of glia in the nervous system?

• Transmit signals like neurons

• Play many important roles in the brain but do not transmit signals

• Form the outer layer of the brain

• Control muscle movement

Which structure insulates the axon and allows the signal to travel faster and farther?

• Dendrite

• Myelin

• Sulci

• Gyri

Which of the following best describes the function of the spinal cord?

• Processes genetic information

• Connects the brain to the body through a long bundle of axons

• Produces hormones

• Controls voluntary muscle movement only

If a neuron needs to send a signal to many other neurons, which part of the neuron is responsible for branching out to connect to different neurons?

• Dendrite

• Axon terminals

• Myelin

• Sulci

What is an action potential?

• A fatty coating on axons

• An electrical signal that travels down the length of a neuron's axon

• The outer layer of the brain

• The grooves on the brain's surface