Introduction to the Nervous System

Neurons transmit nerve impulses along nerve fibers to other _______.

• neurons

• muscles

• glands

• organs

Neurons communicate with other neurons or with cells outside of the nervous system at a small space between the cells, called a _______.

• synapse

• axon

• dendrite

• cell body

The Central nervous system (CNS) is made up of the brain and ________.

• spinal cord

• heart

• lungs

• kidneys

Fill in the blank: The Peripheral Nervous System consists of ______ and spinal nerves.

• cranial nerves

• muscles

• bones

• organs

Which division of the Peripheral Nervous System is responsible for controlling skeletal muscles?

The Autonomic Nervous System controls smooth muscle, cardiac muscle, and ______.

• glands

• bones

• ligaments

• tendons

Which type of cells line the inside of ventricles and cover choroid plexuses within the ventricles?

• Astrocytes

• Ependymal cells

• Schwann cells

• Neurons

Schwann cells are the myelin-producing neuroglia of the _________.

• peripheral nervous system

• central nervous system

• autonomic nervous system

• enteric nervous system

What type of cell is responsible for forming the myelin sheath in the central nervous system?

The cell body contains mitochondria, lysosomes, a Golgi apparatus, chromatophilic substance, neurofilaments, and a large nucleus with a ________.

• large nucleolus

• small nucleolus

• large vacuole

• small nucleus