Anatomy lecture final exam

How does the nervous system NOT communicate?

• Only electrial signals

• Chemical and electrial signals

• Rapidly and specifically

• Usually immediately

Which of the following is not an overlapping function of the nervous system?

• Integration

• Sensory input

• Sensory output

• Motor output

T or F: The motor division of the nervous system transmits impulses from the sensory organs to the CNS.

• True

• False

Which subdivision of the autonomic nervous system is responsible for the "fight or flight" response?

• Autonomic

• Somatic

• Parasympathic

• Sympathetic

All of the following are special characteristics of neurons EXCEPT:

• Highly mitotic

• Extreme longevity

• Actively mitotic

• Amitotic

Which process conveys incoming messages to the soma and generates graded potentials?

• Axons

• Neurons

• perkikaryon

• Dendrites

T or F: Graded potentials are used for long distances and action potentials are used for short distances.

• True

• False

What part of the axon releases neurotransmitters?

• Axon terminal

• Axon

• Axon hillock

• Myelin Sheath

T or F: White matter is a region of the brain that is densely myelinated

• True

• False

What is the majority of the neurons in the body?

• Motor neurons

• Sensory neurons

• Afferent neurons

• Interneurons