Integumentary System #2

Question 1

What is the name of the involuntary smooth muscle that causes hair to standup and produces goosebumps?

Answer 1

Arrector Pilli

Question 2

What is located deep in the dermis, produces nonliving hairs, wrapped in a dense connective tissue sheath and its base is surrounded by sensory nerves (root hair plexus)?

Answer 2

Hair Follicle

Question 3

What lubricates hair and helps control bacteria?

Answer 3

Sebaceous Glands

Question 4

What is the name of the lower part of the hair; attached to the integument?

Answer 4

Hair Root

Question 5

What is the name of the upper part of the hair; not attached to the integument?

Answer 5

Hair Shaft

Question 6

What is firmly attached to the matrix?

Answer 6

Growing Hair

Question 7

What are soft, fine hair that covers the body surface known as?

Answer 7

Vellus Hairs

Question 8

What is the name of the heavy, pigmented hair that covers the head, eyebrows, and eyelashes?

Answer 8

Terminal Hairs

Question 9

What contains flexible soft keratin?

Answer 9

Medulla

Question 10

What contains stiff hard keratin?

Answer 10

Corteal Cuticle

Question 11

What is produced by melanocytes at the hair papilla; determined by genes?

Answer 11

Hair Color

Question 12

What are hard structures covering the dorsal surfaces of the last phalanges of the fingers and toes?

Answer 12

Nails

Question 13

What occurs in a deep epidermal fold near the bone called the nail root?

Answer 13

Nail Production

Question 14

What is also known as the sudoriferous glands? Perspiration is 99% water; perspiration is excreted through
pores; under the control of the nervous system.

Answer 14

Sweat Glands

Question 15

What secretes sebum which is thick, oily substance? It helps lubricates the skin, keeping it soft and pliable.

Answer 15

Sebaceous Glands

Question 16

What is found in armpits, around nipples, and groin? It secretes products into hair follicles; Surrounded by myoepthlial cells

Answer 16

Apocrine Sweat Glands

Question 17

What is widely distributed on body surfaces - especially on the palms and soles?

Answer 17

Merocrine (Eccrine) Sweat Glands

Question 18

What contains lipids and other ingredients? It helps lubricates and protects the epidermis and inhibits bacteria.

Answer 18

Sebum

Question 19

What helps cool the skin, excretes water and electrolytes and flushes microorganisms and harmful chemicals
from skin?

Answer 19

Merocrine Sweat Glands

Question 20

What anatomical structure helps produce milk?

Answer 20

Mammary Glands

Question 21

What helps produce cerumen (earwax)? It also helps protects the eardrum.

Answer 21

Cermuminous Glands

Question 22

What helps control sebaceous and apocrine sweat glands? It works simultaneously over entire body.

Answer 22

Autonomic Nervous System (ANS)

Question 23

What do hair bulbs produce?

Answer 23

Hair Matrix

Question 24

Hair Papilla

Answer 24

Contains Capillaries and Nerves

Question 25

What is the main function of sensible perspiration? It works with cardiovascular system and helps regulates body temperature.

Answer 25

Thermoregulation

Question 26

What helps protects and insulate - it guards openings against particles and insects. It is sensitive to very light touch.

Answer 26

Function of hair

Question 27

What is the effect of aging on the skin?

Answer 27

Becomes more fragile Loss of elasticity Less effective body temperature control Melanocytes decrease Physiological changes can impact self-worth