Sensory Physiology

Question 1

Sensation is an ___ system

Answer 1

afferent

START: sensory receptors
END: sensory cortex

Question 2

Receptors for light

Answer 2

Eletromagnetic receptors

Question 3

Receptors for pain

Answer 3

Nociceptors

Question 4

Smaller receptive field with well defined border

Answer 4

Type 1

Question 5

Found in non hairy skin for low frequency vibration and movement of objects

Answer 5

Meissner’s Corpuscles

Question 6

Gives steady state signals for continuous touch, localizing touch and sensation to determine texture

Answer 6

Merkel’s Disk, Iggo Dome Receptors

Question 7

Found in deep skinm internal tissues and joint capsules, for heavy and prolonged touch(pressure) and degree of joint rotation

Answer 7

Ruffini’s end organ

Question 8

Onion like structure for HIGH frequency vibration

Answer 8

Pacinian corpuscles

Question 9

Rapidly adaptating receptors

Answer 9

Pacinian corpuscle(very rapidly)
Meissner’s corpuscle
Hair-follicle receptor

Question 10

Slowly adapting receptors

Answer 10

Ruffini’s end organ
Merkel’s receptors
tactile receptors

Question 11

Sensory pathway

Answer 11

sensory receptors - dorsal root/cranial nerve ganglia - spinal cord/brainstem - thalamus - sensory cortex