GSA

Question 1

Fibers carry exteroceptive info from receptors in the skin that mediate pain, temp and touch

Answer 1

GSA

Question 2

4 types of somatic sensation

Answer 2

• pain
• thermal
• position
• touch pressure

Question 3

Act as a transducers transforming a physical stimulus into a nerve impulse

Answer 3

Sensory receptors

Question 4

Process in which a stimulus receptor is specialized and is transformed by the receptor membrane into a generator potential

Answer 4

Transduction

Question 5

Endings for sensing visceral pain and receptors in joints that respond to body position

Answer 5

Interoceptive

Question 6

Also known as medial lemniscal system

Answer 6

Dorsal column system

Question 7

Separates the medial and lateral nuclear masses and bifurcates anteriorly to encompass the anterior group

Answer 7

Internal medullary lamina

Question 8

What theory states that different receptors detect each different quality of sensation

Answer 8

Fiber specific theory

Question 9

Type of muscle afferent fiber that has a annulospinal endings of neuromuscular spindle

Answer 9

Ia

Question 10

It divides the thalamus unequally

Answer 10

IntErnal medullary lamina

Question 11

Enclosed within lateral internal medullary lamina

Answer 11

IntRALAMINAR nuclei

Question 12

Located in the postcentral gyrus also known as brodmann area 3,2,1

Answer 12

Primary sensory cortex

Question 13

Aka anterolateral system

Answer 13

Spinothalamic tract

Question 14

Subserves pain, thermal sensation and crude touch

Answer 14

Spinothalamic system

Question 15

Subserves deep touch, tactile sensation, conscious proprioception, pressure and vibratory sense

Answer 15

Dorsal column system

Question 16

Ability to identify objects

Answer 16

Stereognosis

Question 17

Ability to identify figures and numbers drawn through skin

Answer 17

Graphesthesia

Question 18

Dorsal root ganglion

Answer 18

Neuron 1 (First order neuron

Question 19

Crossing of fibers

Answer 19

Neuron 2

Question 20

Pathway for fast sharp pain (subserves pain and thermal sense)

Answer 20

Lateral spinothalamic tract

Question 21

VPL of thalamus

Answer 21

Neuron 3

Question 22

Secretes substance P for pain sensation

Answer 22

Subtancia gelatinosa (Lamina II)

Question 23

Subserves light touch, tickle and sexual sensation pathway

Answer 23

Anterior spinothalamic tract

Question 24

Refers to unsteady , awkward and poorly coordinated movement

Answer 24

Ataxia

Question 25

Used to detect posterior column ataxia

Answer 25

Romberg sign

Question 26

A cerebellar input which is relayed from the body via several pathway

Answer 26

Unconscious priprioception

Question 27

Other general sensory ascending tract concerned with the lower limbs

Answer 27

Anterior and posterior spinocerebellar tracts

Question 28

Other general sensory ascending pathway that is concerned with fine coordination of individual muscles during posture and movement

Answer 28

Dorsal spinocerebellar tract

Question 29

Other general sensory ascending tract responsible for unconscious proprioception

Answer 29

Cuneocerebellar tract

Question 30

Fibers from upper 6 thoracic and all

Answer 30

Fasciculus cuneatus