Unit 2 Support Systems- Integumentary System

Question 1

provides a physical barrier between the environment and underlying tissues

Answer 1

protection

Question 2

in the presence of ultraviolet radiation (sunlight), the skin synthesizes vitamin D

Answer 2

synthesis of vitamin D

Question 3

contains numerous nerve endings and receptors to detect tough, pressure, pain

Answer 3

reception of stimuli

Question 4

produces perspiration by the sudoriferous glands (sweat glands) to help maintain normal body temp.

Answer 4

temperature regulation

Question 5

what are the three layers of the skin

Answer 5

epidermisdermissubcutaneous layer

Question 6

outer most layer of the skin. no blood vessels (avascular) and composed of dead skin cells

Answer 6

epidermis

Question 7

thick layer of fibrous and elastic tissue that gives skin flexibility and strength. contains nerve endings, sweat glands, oil glands, hair follicles, and blood vessels

Answer 7

dermis

Question 8

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

Answer 8

subcutaneous (hypodermis) layer

Question 9

composed of dead (keratinized) skin cells. helps us grasp and manipulate objects

Answer 9

nails

Question 10

sweat is produced by glands in order to cool the body through evaporation

Answer 10

sweat (sudoriferous) glands

Question 11

associated with hair follicle. secretes sebum, and keeps skin from drying out and becoming brittle.

Answer 11

oil (sebaceous) glands

Question 12

primary function is protection (guard scalp, eyebrows and lashes protect eyes)

Answer 12

hair

Question 13

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

Answer 13

acne

Question 14

a common infection by the tinea fungus. symptoms include itching, burning, and cracked, scaly skin between the toes and on the feet

Answer 14

athletes foot (tinea pedis)

Question 15

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

Answer 15

jock itch

Question 16

uncontrolled cell growth of the skin sun is responsible for over 90% of all of it

Answer 16

skin cancer

Question 17

is the most common form of skin cancer. occurs most frequently on the sun-exposed areas of the body: face, ears, neck, scalp, and shoulders and back

Answer 17

Basal cell carcinoma (BCC)

Question 18

second most common form of skin cancer. caused by chronic overexposure to the sun.

Answer 18

squamous cell carcinoma (SCC)

Question 19

third type of skin cancer which originates in the melanocytes

Answer 19

melanoma

Question 20

ABCDE method to assess skin lesions for cancer

Answer 20

asymmetry bordercolordiameterevolution