12.3 Functional Organization of the Nervous System Part 2

Question 1

What is the dorsal root ganglion?

Answer 1

bunch of somatic and autonomic sensory neuron cell bodies located just dorsal to the spinal cord

Question 2

What is the meninges?

Answer 2

protective sheath of the brain and spinal cord

Question 3

What is a preganglionic neuron?

Answer 3

cell body in the brainstem or spinal cord that sends an axon to an autonomic ganglion located outside of the spinal column

Question 4

What is a postganglionic neuron?

Answer 4

sends an axon to an effector

Question 5

What is the thoracolumbar system?

Answer 5

sympathetic system; all sympathetic preganglionic neurons have their cell bodies in the thoracic and lumbar region of the spinal column

Question 6

What is the craniosacral system?

Answer 6

parasympathetic system; all preganglionic neurons have cell bodies in the brainstem or sacral region

Question 7

Where and how many adrenal glands?

Answer 7

kidneys, two

Question 8

What is the adrenal medulla?

Answer 8

inner portion of the adrenal gland that releases epinephrine and norepinphrine into the bloodstream

Question 9

What is the adrenal cortex?

Answer 9

outer portion of the adrenal gland that produces cortisol in response to stress and aldosterone in response to low blood pressure or low blood osmolarity

Question 10

What system is the adrenal medulla a part of?

Answer 10

sympathetic nervous system