Nervous System

What is another name for a nerve cell?

• Axon

• Neuron

• Dendrite

• Synapse

Which division of the nervous system consists of the brain, spinal cord, and optic nerves?

• • Peripheral nervous system

• Central nervous system

• Sympathetic system

• Autonomic nervous system

What is the space between a dendrite and an axon called?

• Synapse

• Neurotransmitter

• Lobe

• Ventricle

What is the main function of the spinal cord?

• It carries nutrients to the central nervous system and helps to remove wastes.

• It interprets, organizes, and stores information.

• It carries messages to and from the brain and the nerves that go to the muscles and glands.

• It acts as a shock absorber for the vertebrae.

Which section of the brain is responsible for coordinating muscle movements, balance and posture, and muscle tone?

• Diencephalon

• Brain stem

• Cerebrum

• Cerebellum

Which of these disorders occurs when there is a loss of blood flow, and in turn oxygen, to the brain?

• Cerebrovascular accident

• Myasthenia gravis

• Multiple sclerosis

• Epilepsy

What is the general term for the layers of tough membranes that cover and protect the brain and spinal cord?

• • Ventricles

• • Neurotransmitters

• • Meninges

• • Cerebellum

What is the fatty tissue that covers axons and speeds up impulses as they travel from cell to cell?

• • Synapse

• • Myelin sheath

• • Neurotransmitter

• • Dendrite

In which disease does progressive loss of muscle control result from the destruction of the myelin sheath in the central nervous system?

• • Myasthenia gravis

• • Cerebrovascular accident

• Multiple sclerosis

• Cerebral Palsy

What is the purpose of the vertebrae?

• • To protect the spinal cord

• • To pump cerebrospinal fluid

• • To control reflex actions

• • To control posture