The Integument-Test#2

Question 1

What do the Osmotic Forces do?

Answer 1

Bath: Water enters body due to salt inside
Ocean: Pulls water out of body due to salt outside in ocean water.

Question 2

Osmotic Flow?

Answer 2

Letting water pass through the filtering layer continuously. (google)

Question 3

Epidermal Ridges

Answer 3

Increased Sensitivity

Finger Print: Genetically Determined

Question 4

U.V Radiation Good Effects

Answer 4

Burns cholesterol

Question 5

U.V. Radiation Problems

Answer 5

Wrinkling
Cancer
Chromosome Damage

Question 6

Melanin

Answer 6

Inside Basale and U.V. radiation brings out color in skin.

Question 7

U.V. Radiation (def)

Answer 7

Ultraviolet radiation, is a form of electromagnetic radiation.

Question 8

Hair Follicle (2 parts)

Answer 8

Papilla and Matrix

Question 9

Papilla

Answer 9

anchor made of nerves and vessels

Question 10

Matrix

Answer 10

Area where hair is made

Question 11

Mitosis makes soft keratin

Answer 11

matrix

Question 12

The outer surface of the matrix contains…

Answer 12

cuticle= hard keratin

Question 13

In the matrix hard keratin is formed where?

Answer 13

the outside of hair.

Question 14

Cuticle (eponychium)

Answer 14

skin that hangs over the nail root

Question 15

Vellus Hair

Answer 15

Peach fuzz

Question 16

Terminal Hair

Answer 16

head
eyelashes
eyebrows

Question 17

Intermediate Hair

Answer 17

Arm and leg hair

hormonal hair

Question 18

Hair Growth/Day

Answer 18

1/3 mm per day

Question 19

of lost hairs/day

Answer 19

Roughly 50 hairs a day

Question 20

Hair Lifespan

Answer 20

2-5 years

Question 21

Sebaceous Glands

Answer 21

secrete waxy substance (sebum) onto hair follicle.

prevents infection

Question 22

Sweat Glands (3)

Answer 22

Apocrine Variety
Merocrine
Eccrine

Question 23

Apocrine variety

Answer 23

• Armpits, grain
• secretion (sweat) smelly
• Human sense of smell deadened to this important odor
  - animal sense moods basis of smell

Question 24

Merocrine

Answer 24

Secrete directly to skin
99% water
(sweat glands)

Question 25

Eccrine

Answer 25

3,000,000 located throughout body
palm of hand has 3,000 per sq. inch
(sweat gland)

Question 26

Ceruminous Gland

Answer 26

combine with sebaceous gland to form cerumen or ear wax

Question 27

Finger Nail Parts

Answer 27

nail root
nail bed
nail groove
lunula.

Question 28

Nail body

Answer 28

covers the nail bed

Question 29

Nail root

Answer 29

area of nail growth

Question 30

Nail Groove

Answer 30

area between nail and skin

Question 31

Lunula

Answer 31

crescent shape by nail root

Question 32

adipocytes

Answer 32

fat cells

Question 33

First Line of Defense

Answer 33

skin or integument