Module 1 - Skin: Layers And Receptors

Question 1

Also called tactile corpuscles

Answer 1

Meissner corpuscles

Question 2

Meissner corpuscle located in the…

Answer 2

Dermis

Question 3

Discriminates light vs deep pressure

Answer 3

Meissner corpuscle

Question 4

Detects deep or continuous pressure

Answer 4

Ruffini’s corpuscle

Question 5

Adapts slowly, senses continuous contact

Answer 5

Ruffini’s corpuscle

Question 6

Ruffini’s corpuscle is located in the ….

Answer 6

Dermis

Question 7

Detects high temperatures; heat receptors

Answer 7

Ruffini’s corpuscle

Question 8

Pacinian corpuscle is located in the…

Answer 8

Dermis (deep, hands, feet, joint capsules)

Question 9

Essential for proprioception

Answer 9

Pacinian corpuscles

Question 10

Sense deep pressure and vibration

Answer 10

Pacinian corpuscles

Question 11

Krause end bulb is located in the…

Answer 11

Mucous membranes “cold receptors”

Question 12

Senses discriminatory touch, low-frequency vibration, cooler temperatures

Answer 12

Krause end bulbs

Question 13

Also called cold receptors

Answer 13

Krause end bulbs

Question 14

Found in Mucous membranes

Answer 14

Krause end bulbs

Question 15

Merkel discs are found in…

Answer 15

Epidermis

Question 16

Sense light touch and discriminative touch

Answer 16

Merkel disc

Question 17

Light-touch receptors of hair movement

Answer 17

Hair root plexus

Question 18

Hair root plexus - located in the…

Answer 18

Dermis

Question 19

Detect pain

Answer 19

Free nerve endings

Question 20

“Pain receptors”

Answer 20

Nociceptors

Question 21

Found in the dendrites of sensory neurons

Answer 21

Nociceptors

Question 22

Nociceptors are found in…

Answer 22

Dendrites of sensory neurons

Question 23

5 layers of the epidermis

Answer 23

DEEPEST: Stratum Germinativum (Basale)…. Stratum Spinosum…. Stratum Granulosum…. Stratum Lucidum…. Stratum Corneum

Question 24

Deepest epidermal layer

Answer 24

Stratum Germinativum

Question 25

Epidermal layer that generates all other cell layers

Answer 25

Stratum Germinativum

Question 26

Epidermal layer that receives superficial pressure via Merkel discs

Answer 26

Stratum Germinativum

Question 27

A bonding/transitional layer between the stratum granulosum and the stratum Germinativum

Answer 27

Stratum spinosum

Question 28

Epidermal layer that marks the beginning of change before tissue dries

Answer 28

Stratum granulosum

Question 29

Epidermal layer known as the “clear layer”

Answer 29

Stratum lucidum

Question 30

Epidermal layer found in the palms and soles (thick skin)

Answer 30

Stratum lucidum

Question 31

Epidermal layer that contains keratinized cells

Answer 31

Stratum corneum

Question 32

This epidermal layer is the outermost layer

Answer 32

Stratum corneum

Question 33

A specialized epidermal cell that protects skin by waterproofing surface

Answer 33

Keratinocytes

Question 34

These specialized epidermal cells form principle structures of the outer skin

Answer 34

Keratinocytes

Question 35

Specialized epidermal cell that produces keratin — tough, fibrous

Answer 35

Keratinocytes

Question 36

Specialized epidermal cell that produces melanin (or skin pigment)

Answer 36

Melanocytes

Question 37

Specialized epidermal cell that contributes to colour of skin, hair, nails

Answer 37

Melanocytes

Question 38

Specialized epidermal cell that provides UV protection

Answer 38

Melanocytes

Question 39

Meissner corpuscles discriminate ______ vs ______ touch

Answer 39

Light vs deep

Question 40

Ruffini’s corpuscles detect ______ or _______ pressure

Answer 40

Deep or continuous

Question 41

Ruffini’s corpuscles detect ______ temperatures.

Answer 41

High (heat receptors)

Question 42

Ruffini’s corpuscles adapt _______ and sense __________ contact.

Answer 42

Adapt slowly and sense continuous contact

Question 43

Pacinian corpuscles detect ______ pressure and ____________.

Answer 43

Deep pressure and vibration

Question 44

Pacinian corpuscles are essential for________.

Answer 44

Proprioception

Question 45

Pacinian corpuscles are located deep in the dermis, primary in the _____ and _____ and in many _________.

Answer 45

Hands and feet and in many joint capsules

Question 46

Krause end bulbs detect _____ temperatures

Answer 46

Cooler temperatures (cold receptors)

Question 47

Merkel discs sense ____ touch and ________ touch.

Answer 47

Light touch and discriminative touch