ALL

Question 1

The nervous system is structurally subdivided into two systems, what are those?

Answer 1

Central Nervous System and Peripheral Nervous System

Question 2

_________ cells form the myelin sheaths around nerve fibers in the PNS.

Answer 2

schwann

Question 3

support cells in the central nervous system collectively called_________

Answer 3

neuroglia

Question 4

the part of the neuron that typically conducts nerve impulses away from the cell body is the________

Answer 4

axon

Question 5

the gaps between Schwann cells found at regular intervals in peripheral system neurons are called ________

Answer 5

nodes of Ranvier

Question 6

sensory receptors located in the muscles and tendons are termed _________

Answer 6

proprioceptors

Question 7

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

Answer 7

tract; nerves

Question 8

the cell bodies of the __________ neurons are always located within the CNS.

Answer 8

motor

Question 9

myelinated fibers (tracts) form ________ matter while unmyelinated fibers form _________ matter.

Answer 9

white; gray

Question 10

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

Answer 10

interneurons (association neurons)

Question 11

during repolarization, _________ ions are pumped out of the cell

Answer 11

sodium

Question 12

__________ reflexes include the secretion of saliva, changes in the size of our pupils, and digestion involve the activities of smooth muscles.

Answer 12

autonomic

Question 13

the thalamus, hypothalamus, and epithalamus collectively constitute the __________

Answer 13

dicephalon (interbrain)

Question 14

the brain dysfunction where blood supplies to a region (or regions) of the brain is blocked and vital brain tissue dies, as by a blood clot or a ruptured blood vessel, is called ______

Answer 14

cerebrovascular accident (CVA), or stroke