10.2

Question 1

Free nerve endings

Answer 1

including warm/cold receptors (respond to change in temperatures)
nociceptors (produce pain sensations in response to tissue injury)
especially abundant in skin and mucous membranes

Question 2

Tactile discs

Answer 2

receptors for light tough; detecting textures edges, and shapes

Question 3

Hair receptors

Answer 3

dendrites that coil around a hair follicle and respond to movements of hair

Question 4

Proprioceptors

Answer 4

receptors specialized to detect position and movement of body and its parts

Question 5

encapsulated nerve endings

Answer 5

Tactile/Meissner corpuscles

Lamellar/pacinian corpuscules

Question 6

TACTILE CORPUSCLES

Answer 6

LIKE TACTILE DISCS; RECEPTORS FOR LIGHT TOUGH AND TEXTURE

In dermal papillae, boundary between dermis and epidermis

Question 7

Lamellar corpuscules

Answer 7

sensitive to deep pressure, stretch, tickle, and vibration

Question 8

somatic pain

Answer 8

pain from muscles, skin, and joints

Question 9

visceral pain

Answer 9

pain from internal organs of the body cavities

Question 10

referred pain

Answer 10

pain from viscera is mistaken as from skin or other superficial sites

Question 11

phantom pain

Answer 11

eerie sensation of pain from a limb that has been amputated

Question 12

spinal gating

Answer 12

aabsence or minimal sense of pain
Spinal and brainstem neurons secrete endorphins and enkephalins which stop pain signals at synapses before they reach conscious levels of pain; pain-blocking substance