Chapter 4- Integumentary System

Question 1

The structure of the integumentary system is from superficial to Deep, it is made up of 3 layers?

Answer 1

1. Epidermis
2. Dermis
3. Subcutaneous tissue (Ct to help maintain the cutaneous)

Question 2

What are the functions of the Integumentary System ?

Answer 2

1. Protection (barrier, cushioning, monitoring(sensory
   nerves),UV)
2. Thermoregulation (constrict through the cold and dilates in the
   heat)
3. Blood Reservoir- (8-10% of the blood is in the dermis)
4. Excretion
5. Vitamin Synthesis (helps with Vitamin D Synthesis and Calcium
   Absorption)

Question 3

The Epidermis is a ————layer, —————-epithelium and ……………?

Answer 3

1. superficial layer
2. stratified squamous epithelium
3. avascular

Question 4

There are 4 epidermal cells ; 1…………..2…………3………..4……………?

Answer 4

1. Keratinocytes
2. Melanocytes
3. Langerhans Cells
4. Merkel Cells

Question 5

Produce Melanin?

Answer 5

Melanocytes

Question 6

———–responsible for ———- ———– and ———– ———- and helping to remove them.

Answer 6

1. Langerhans
2. recognizing , foreign
3. harmful, antigens

Question 7

——involved in the sensation of touch ?

Answer 7

Merkel Cells

Question 8

Majority of the Epidermal Cells are keratinocytes? True or False

Answer 8

True

Question 9

Keratinocytes produce ——–?

Answer 9

keratin (cells are keratinized)

Question 10

Keratinocytes deeper cells constantly ———-?

Answer 10

• divide ( as a protection)

Question 11

There 5 layers to the epidermal layer ;

1———-2———3———–4 ———-5———–?

Answer 11

1. Stratum basale
2. Stratum Spinousum
3. Stratum Granulosum
4. Stratum Lucidum
5. Stratum Corneum

Question 12

————–flat, dead keratinocytes that are shed.

Answer 12

Stratum Corneum

Question 13

—————flat, dead keratinocytes

Answer 13

Stratum Lucidum

Question 14

———–cells that are dying

Answer 14

Stratum Granulosum

Question 15

Stratum———provides ———and ————to the skin

Answer 15

• Spinosum
• Strength
• Flexibility

Question 16

Stratum basale aka ………?

Answer 16

Stratum Germinativum

Question 17

Continuous mitosis occurs in the ……………. ………………..layer ?

Answer 17

Stratum Basale

Question 18

——- ———is single row of ———–anchored to the basement membrane

Answer 18

• Stratum, Basale

- keratinocytes

Question 19

collagen and elastin is located in the ——-

Answer 19

dermis

Question 20

———–connective tissue layer separating epidermis and the underlying adipose layer.

Answer 20

Dermis

Question 21

The Dermis contains

1. ———- and nerves
2. ———-; touch receptors
3. ——- —— ——- : Pain, ———
4. ———- corpuscles : ———-, ———-
5. ——-and ——-glands, and ——-are also embedded in the———- and continue through to the ———–

Answer 21

1. blood vessels
2. Meissner corpuscles
3. Free nerve endings: Pain, Temperature
4. Pacinian corpuscles; pressure, vibration
5. Sweat and oil glands, and hair - Dermis-Epidermis

Question 22

Subcutaneous tissue is aka ?

Answer 22

-Hypodermis , Adipose and areolar tissue

Question 23

Subcutaneous tissue serve as ?

Answer 23

1. Shock absorber

2. Insulator (Temp Regulation)

Question 24

Skin Colour Identifiers Part I:

1. Cyanosis :——
2. Yellow:———-
3. Yellow-Orange:——-
4. Red/Pink:———–

Answer 24

1. Blue
2. Jaundice
3. Carotene
4. Hemoglobin

Question 25

Skin Colour Identifiers Part I: 1. Redness(erythema):----------- 2. Blue/Black------------- 3. Yellow/Green --------- 4. Pale yellow to tan to black --------

Answer 25

1. Inflammatory response 2. New bruising 3. Old bruising 4. melanin

Question 26

Hair is one of the ---------------?

Answer 26

appendages off the skin

Question 27

About Hair Part I: 1. The hair is produced in the ------------ 2. The hair is dead, ----------- ------ 3. ------------is responsible for hair color 4. -----------glands:----------the hair

Answer 27

1. hair follicle 2. dead, Keratinized cells 3. Melanin 4. Sebaceous , Lubricates

Question 28

About Hair Part II: 1.------- -------- ----------: contract to pull the hair uptight 2. ------ -------, the portion of hair that projects beyond the skin surface. 3. -------- ---------, the part of the hair deep to the shaft that penetrates into the dermis. 4. ------ ---------, the portion surrounding the root

Answer 28

1. Arrector Pili Muscle 2. Hair Shaft 3. Hair Root 4. Hair Follicle

Question 29

What are the 3 functions of the hair ?

Answer 29

1. Protection ( scalp , eyelashes, filtration) 2. Thermoregulation 3. Sensation

Question 30

There are 3 glands in the integumentary system?

Answer 30

1. Sebaceous (Oil) glands 2. Sudoriferous (Sweat) Glands 3. Ceruminous Glands

Question 31

1. ------- ---------, secretes -------. It is all over the skin except --------- and ----------. 2. Sebum keeps the ------- --------, prevents hair from becoming ------/------, and kills ------- ---------/

Answer 31

1. Sebaceous glands, sebum, plams, soles | 2. Skin moist, dry/brittle, surface bacteria

Question 32

1. --------------release ----------through pores and ------- ------- 2. Sudoriferous functions in ----------- and ------- ----------

Answer 32

1. Sudoriferous/ Sweat glands , Sweat, hair follicles | 2. thermoregulation and waste removal

Question 33

1. ----------located in the external ----------and produce ------- (-------- --------). 2. It helps prevent --------- ---------- from -------- the ear.

Answer 33

1. Ceruminous, ear, Cerumen (ear wax). | 2. foreign bodies, entering

Question 34

1. Nails are ------ plates of tightly Packed, -------, -------, keratinized ------ ----------? 2. Nails Functions; ----------, small object --------, ----------, -------- -------- --------?

Answer 34

1. hardened, hard, dead, epidermal cells 2. protection, manipulation, scratching, health status information.

Question 35

1. The Sun can damage the -------- form ----- --------------- 2. DNA -------- 3. ----------and --------fibre damage

Answer 35

1. skin , acute overexposure 2. Damage 3. Collagen, elastic fibre damage

Question 36

Agin Skin characterizes by the following; 1. Skin becomes -------- 2. ----------decreases in number 3. ----------loses its elasticity 4. -------- -------- decrease in number and are not as -------

Answer 36

1. thinner 2. Fibroblasts 3. Elastin 4. Collagen Fibre, functional