Integumentary System

Question 1

Integumentary system came from the word “integumente” which means?

Answer 1

To cover

Question 2

These are the parts of the Integumentary system. (3)

Answer 2

Skin, Nails, Hair

Question 3

This is the main organ of the Integumentary system. Its main function is to protect our body from external damage.

Answer 3

Skin

Question 4

These are the layers of the skin. (3)

Answer 4

Epidermis, Dermis, Hypodermis

Question 5

This is the outermost layer of the skin.

Answer 5

Epidermis

Question 6

This is the middle layer of the skin.

Answer 6

Dermis

Question 7

This is the layer of the skin that contains fats where heat is insulated

Answer 7

Hypodermis

Question 8

These are the cells in the skin. (4)

Answer 8

Keratinocytes, Melanocytes, Merkel, Langerhans’

Question 9

This cell of the skin produces keratin. This is the most abundant cell in the skin.

Answer 9

Keratinocytes

Question 10

This cell synthesizes the pigment melanin.

Answer 10

Melanocytes

Question 11

This cell arises from the bone marrow.

Answer 11

Langerhans’

Question 12

This cell is associated with sensory nerve endings.

Answer 12

Merkel

Question 13

This is for pigmentation and protection.

Answer 13

Melanin

Question 14

These are the layers of Epidermis. (5)

Answer 14

Stratum Corneum, Stratum Lucidum, Stratum Granulosum, Stratum Spinosum, and Stratum Basale

Question 15

This layer accounts for 3/4 of the epidermal thickness. It is the durable “overcoat” for the body.

Answer 15

Stratum Corneum

Question 16

This layer is usually hairless and extra thick. It is found in palms and soles. It is a thin, translucent band of clear, fat, dead keratinocytes.

Answer 16

Stratum Lucidum

Question 17

These layers are highly keratinized. (2)

Answer 17

Stratum Granulosum and Stratum Spinosum

Question 18

In this layer, cells undergo cell division.

Answer 18

Stratum Basale

Question 19

These are the layers of the dermis. (2)

Answer 19

Papillary and Reticular

Question 20

This layer of dermis has collagen and elastic fibers that form a loosely woven mat that is heavily invested with blood vessels.

Answer 20

Papillary

Question 21

This layer of dermis accounts for 4/5 of dermal thickness. This contains thick bundles of interlacing collagen fibers.

Answer 21

Reticular

Question 22

This accumulates in Stratum Corneum and in fatty tissue of hypodermis.

Answer 22

Carotene

Question 23

These are the glands of the skin. (2)

Answer 23

Sweat Glands and Oil Glands

Question 24

This gland of the skin contains eccrine (found in palms, soles, and forehead) and apocrine (found in axillary and anogenital areas). Include its other name.

Answer 24

Sweat Glands or Sudoriferous

Question 25

This gland of the skin is found all over except on palms and soles. It secrets sebum. Include its other name.

Answer 25

Oil Glands or Sebaceous

Question 26

This lubricates hair and skin and kills bacteria.

Answer 26

Sebum

Question 27

These are flexible strands produced by hair follicles which consists largely of dead keratinized cells.

Answer 27

Hair

Question 28

It is another term for hair.

Answer 28

Pili

Question 29

It is part of the hair that projects from skin.

Answer 29

Shaft

Question 30

It is the part of the hair which is embedded in skin.

Answer 30

Root

Question 31

These are the parts of the hair. (4)

Answer 31

Root Hair Plexus, Hair Matrix, Hair Papilla, and Arrector Pili

Question 32

This part is a knot of sensory nerve endings that wrap around each hair bulb.

Answer 32

Root Hair Plexus

Question 33

This part produces the hair.

Answer 33

Hair Matrix

Question 34

This part supplies nutrients and signals growth.

Answer 34

Hair Papilla

Question 35

This part is for goosebumps and for heat retention and protection mechanism.

Answer 35

Arrector Pili

Question 36

These are the types of the hair. (2)

Answer 36

Vellus and Terminal

Question 37

This type is the body hair of children and adult females. It is pale and fine.

Answer 37

Vellus

Question 38

This type appears at puberty in axillary and pubic regions. This grows in response to sex hormones.

Answer 38

Terminal

Question 39

It is a scalelike modification of the epidermis. It forms a clear protective layer on the distal part of your fingers and toes.

Answer 39

Nail

Question 40

These are the parts of the nail. (4)

Answer 40

Free edge, Nail Matrix, Nail Folds, Cuticle

Question 41

This part of the nail is the visible portion.

Answer 41

Free edge

Question 42

This part of the nail is the thickened proximal portion of nail bed.

Answer 42

Nail Matrix

Question 43

This part of the nail is the border of nail overlapped by skin.

Answer 43

Nail Folds

Question 44

This part of nail is the proximal nail folds that projects onto nail body.

Answer 44

Cuticle

Question 45

This is for the toughness and hydrating skin.

Answer 45

Collagen (fibers?)

Question 46

This is for the elasticity of the skin.

Answer 46

Elastic fibers

Question 47

This senses the debris on skin.

Answer 47

Hair follicle

Question 48

This hair guards the head against physical trauma, heat loss and sunlight.

Answer 48

Hair on scalp

Question 49

This hair shields eyes from dust and debris.

Answer 49

Eyelashes

Question 50

This hair filters dust and protects against small insects from entering nostrils.

Answer 50

Nose Hairs

Question 51

This hair shields eyes.

Answer 51

Eyebrow

Question 52

This hair keeps certain areas of body warm

Answer 52

Pubic Hair

Question 53

These are the phases of the hair. (3)

Answer 53

Anagen, Catagen, Telogen

Question 54

This phase makes hair divides rapidly(???). Hair is premature.

Answer 54

Anagen

Question 55

This phase signals end of growth. It lasts for 2-3 weeks.

Answer 55

Catagen

Question 56

In this phase, hair follicles are at rest. Club hair is completely formed.

Answer 56

Telogen