Exam 7: The Nervous System

In contrast to the somatic nervous system, the autonomic nervous system ________.

The Schwann cell forms a myelin sheath around the ________.

Match the following: -No effect on most blood vessels

Match the following: -Structural nervous system subdivision that consists of the brain and spinal cord

Depolarization of neurons results from the entry of sodium ions into the cell.

________ connect sensory and motor neurons in neural pathways and their cell bodies are typically located in the central nervous system.

The substance that is released at axonal endings to propagate a nervous impulse is called ________.

Bundles of nerve fibers (neuron processes) running through the CNS are called ________, whereas in the PNS they are called ________.

One of the last areas of the CNS to mature is the ________, which regulates body temperature.

Which one of the following is the correct sequence in connective tissue sheaths, going from outermost to innermost layer?

The hypothalamus regulates the ________.

Which one of the following is the correct sequence of nerves that exit the spinal cord, from superior to inferior?

What congenital disorder results when the vertebrae fail to form completely around the spinal cord, typically in the lumbosacral region?

Which of the following brain dysfunctions is also known as a stroke?

Which ion causes neurotransmitter vesicles to fuse with the axon's membrane during the conduction of a nerve impulse from one neuron to the next?

Match the following: -Decreases digestive system activities

Explain the difference between a polarized neuron and a depolarized neuron.

Control of temperature, endocrine activity, metabolism, and thirst are functions associated with the ________.

Which of the following is favored by the parasympathetic nervous system?

Immediately after an action potential is propagated, which one of the following ions rapidly diffuses out of the cell into the tissue fluid ________.