Unit 2: Support Systems: Integumentary System

Question 1

What are the five functions of skin

Answer 1

1. protection,
2. Synthesis of vitamin D,
3. Reception of Stimuli,
4. Temperature Regulation,
5. Protection against ultraviolet radiation

Question 2

outermost layer of skin

Answer 2

epidermis

Question 3

what are the characterizations of the epidermis

Answer 3

contains no blood vessels (avascular)

composed of dead (keratinized) skin cells

Question 4

the middle layer of skin

Answer 4

dermis

Question 5

thick fibrous and elastic tissue that gives the skin flexibility and strength

Answer 5

dermis

Question 6

what is contained in the dermis

Answer 6

nerve endings, sweat glands, oil glands, hair follicles, and blood vessels

Question 7

the third or inner layer of skin

Answer 7

subcutaneous

Question 8

what is characteristics of the subcutaneous

Answer 8

composed of fat that insulate the body from heat and cold, provides padding, and serves as energy storage area

Question 9

what is another name for the subcutaneous layer

Answer 9

hypodermis

Question 10

composed of dead (keratinized) skin cells.

helps us grasp and manipulate small objects

Answer 10

nails

Question 11

sweat is produced in order to cool the body through evaporation. sweat gland

Answer 11

sweat (sudoriferous) gland

Question 12

secretes sebum, and inorganic salts.

keeps hair and skin fron drying out and becoming brittle

Answer 12

oil (sebaceous) glands

Question 13

primary function is protection in the integumentary system

Answer 13

hair

Question 14

how does the hair function in protection

Answer 14

guards scalp from injury and sunlight
eyebrows and eyelashes protect the eyes
hair in nostrils prevents insects and dust from entering

Question 15

what is hair composed of

Answer 15

dead (keratinized) cells

Question 16

an inflammatory disease of the sebaceous glands and hair follicles of the skin

Answer 16

acne

Question 17

a common infection caused by the tinea fungus on the FEET

Answer 17

athletes foot

Question 18

also caused by the tinea fungus. causes a red skin rash that forms a ring on normal looking skin.

Answer 18

ringworm

Question 19

also caused by the tinea fungus. causes an itchy, burning rash in the GROIN area.

Answer 19

Jock itch

Question 20

uncontrolled cell growth of the skin

Answer 20

skin cancer

Question 21

is the most common form of cancer, with about a million new cases. occurs most frequently on the sun-exposed areas of the body: face ears, neck, scalp, shoulders and back

Answer 21

Basal cell carcinoma (BCC)

Question 22

is the second most common form of skin cancer. caused by chronic overexposure to sun. tumors appear most frequently on the sun exposed areas.

Answer 22

Squamous cell carcinoma (SCC)

Question 23

is the third type of skin cancer which originates in the melanocytes. not common but it is a more serious form of skin cancer. rarely occurs in dark skinned people

Answer 23

melanoma

Question 24

what is the acronym and meaning to assess skin lesions for skin cancer

Answer 24

ABCDE
A. asymmetry
B. border
C. color
D. diameter
E. Evolution or elevation