Ingumentary System - Nails

Question 1

Nails act as a protective cover for . . .

Answer 1

Distal, dorsal surface of fingers and toes

Question 2

Nails consist of . . .

Answer 2

Free edge
Nail plate
Root

Question 3

Nail bed is . . .

Answer 3

Epidermis underneath keratinized nail plate

Question 4

nail matrix:

Answer 4

Thickened portion of bed responsible for nail growth

Question 5

Nail folds:

Answer 5

Skin folds that overlap border of nail

Question 6

Eponychium (also called cuticle):

Answer 6

Nail fold that projects onto surface of nail body

Question 7

Hyponychium:

Answer 7

Area under free edge of plate that accumulates dirt

Question 8

Nails normally appear ____ because of ___________________

Answer 8

Pink
Underlying capillaries

Question 9

Lumule:

Answer 9

Thickened nail matrix, appears white

Question 10

Yellow-tinged may indicate . . .

Answer 10

Respiratory or thyroid gland disorder

Question 11

Thickened yellow nails can be due to . . .

Answer 11

Fungal infection of nail

Question 12

Koilonchya also called spoon nail is . . .

Answer 12

An outward con cavity of nail may signal iron deficiency

Question 13

Beau’s lines are . . .

Answer 13

Horizontal lines across nails may indicate severe illnesses such as uncontrolled diabetes, heart attack or cancer chemotherapy

Question 14

Sweat glands are also called . . .

Answer 14

Sudoriferous glands

Question 15

All skin surfaces except _______ and parts of _______________ contain sweat glands

Answer 15

Nipples
External genitalia

Question 16

About _______________ sweat glands per person

Answer 16

3 million

Question 17

Two main types of sweat glands:

Answer 17

Eccrine
Apocrine

Question 18

Sweat glands contain ____________ cells

Answer 18

Myoepithelial

Question 19

Eccrine sweat glands are . . .

Answer 19

Most numerous type

Question 20

Eccrine sweat glands are abundant on . . .

Answer 20

Palms, soles, and foreheads

Question 21

Eccrine sweat gland ducts connect to _________

Answer 21

Pores

Question 22

Eccrine sweat glands function in ____________ and are regulated by ____________________________ .

Answer 22

Thermoregulation
Sympathetic nervous system

Question 23

Eccrine sweat glands secretion is ___________ . It is 99% . . .

Answer 23

Sweat
Water, salts, vitamin C, antibodies, dermcidin, metabolic wastes

Question 24

Apocrine sweat glands are confined to __________ and __________ areas

Answer 24

Axillary and anogenital

Question 25

Apocrine sweat glands secrete . . . That contains . . .

Answer 25

Viscous milky or yellowish sweat Fatty substances and proteins

Question 26

________ break down sweat, leading to ____________

Answer 26

Bacteria Body odor

Question 27

Apocrine sweat glands are ______ than eccrine sweat glands with ducts emptying into ______________ .

Answer 27

Larger Hair follicles

Question 28

Apocrine sweat glands begin functioning at _______ .

Answer 28

Puberty

Question 29

Apocrine sweat glands function is _______ but may act as ____________________ .

Answer 29

Unknown Sexual scent gland

Question 30

Modified apocrine glands are :

Answer 30

Ceruminous glands Mammary glands

Question 31

Ceruminous glands:

Answer 31

Lining of external ear canal; secrete Cerumen (earwax)

Question 32

Mammary glands:

Answer 32

Secrete milk

Question 33

Sebaceous oil glands are ______ distributed except for ____ skin of ______ and _______ .

Answer 33

Widely Thick Palms & soles

Question 34

Most sebaceous glands develop from _________ and secrete into ________

Answer 34

Hair follicles Hair follicles

Question 35

Sebaceous glands are relatively ________ until puberty. They are stimulated by _______, especially __________ .

Answer 35

Inactive Hormones Androgens

Question 36

Sebaceous gland secrete _______ . Softens _____ and ______ .

Answer 36

Sebum Hair and skin

Question 37

Acne is usually an infectious inflammation of the ____________, resulting in ______ .

Answer 37

Sebaceous glands Pimples

Question 38

___________ are blocked sebaceous glands

Answer 38

Whiteheads

Question 39

If secretion is oxidized, whiteheads become a __________ .

Answer 39

Blackhead

Question 40

Overactive sebaceous glands in infants can lead to ________ known as __________ .

Answer 40

Seborrhea Cradle cap

Question 41

Which of the following types of sweat gland secretion is thought to deter insects? a) Eccrine b) Apocrine c) Ceruminous d) Mammary

Answer 41

c) Ceruminous

Question 42

The most important role of the eccrine sweat gland is _________. A. milk production B. stress-induced sweating C. body temperature regulation D. earwax production

Answer 42

C. body temperature regulation

Question 43

One critical function of sebum, in addition to roles in waterproofing and skin softening, is that it provides protection against ____________. a) overexposure to the sun b) Overheating c) harmful bacteria d) abrasions or cuts to the skin

Answer 43

c) harmful bacteria