Somatosensory

Question 1

T/F All primary sensory nerve endings in the periphery are associated with specialized receptor end organs which either transduce the sensory signal or aid in its transduction

Answer 1

True

Question 2

Free nerve endings are believed to be responsible for transduction of what type of stimuli?

Answer 2

Noxious (i.e. slow pain)

Question 3

How are the axons carrying sensory information organized

Answer 3

Topographically

Question 4

Sensory information is conveyed to the cerebral cortex by a series of what?

Answer 4

relay nuclei

Question 5

Sensory info is conveyed to cerebral cortex by a series of relay nuclei, including one in the thalamus. What is the major exception to this rule?

Answer 5

Olfaction

Question 6

Topographic organization is also present in the relay nuclei and _______

Answer 6

Cerebral Cortex

Question 7

All sensations enter conscious awareness when what?

Answer 7

When the information reaches the cerebral cortex

Question 8

Descending systems exist to govern the amount of what?

Answer 8

Amount of ascending (ie. sensory input)

Question 9

What is able to activate other areas of the brain?

Answer 9

Collateral