nervous

What does the word neuron refer to?

• A muscle cell

• A specialized cell that transmits information in the nervous system

• A blood vessel in the brain

• A hormone that controls movement

A long projection of a neuron that carries signals away from the cell body is an AXON?

• YES

• NO

What does dendrites mean?

• The center of the neuron containing DNA

• Branched extensions of a neuron that receive signals

• The outer layer of the brain

• Nerve endings in the spinal cord

What is meant by evolutionary hierarchy in the text?

• A ranking system of the nervous system inside the brain

• The increasing complexity of organisms as we move from simpler to more advanced forms

Which one is a nerve center consisting of a cluster of neurons

• ganglion

• axon

• spinal cord

• receptors

In the phrase sensory information, what does sensory most precisely refer to?

• Information about emotions

• Information from body systems

• Information gathered through the five senses

• Information processed by the muscles

The word transmit in “motor nerves transmit signals” most nearly means:

• Create

• Destroy

• Block

• Send or carry

In the context of nerves, what does the word fibers refer to in “motor and sensory fibers”?

• Bones in the spinal cord

• Thin strands that carry electrical signals

• Threads in clothing

• Muscles attached to the brain

What is the meaning of glandular in “glandular secretions” controlled by motor nerves?

• Relating to the nervous system

• Relating to the bones

• Relating to glands that produce substances like hormones

• Relating to voluntary movement

What does enable mean in the sentence “enabling communication through the nerves”?

• To prevent

• To hide from  

• To slow down

• To make possible