Module 3

Question 1

Consists of the skin and accessory structures, such as hair, glands, and nails

Answer 1

Integumentary System

Question 2

What does integument mean?

Answer 2

Covering

Question 3

Respond to stimuli arising outside the body

Answer 3

Exteroceptors

Question 4

What is it called when the body eliminates limited amounts of nitrogen-containing wastes in sweat

Answer 4

Excretion

Question 5

Most superficial layer in the integumentary system

Answer 5

Epidermis

Question 6

Layer of epithelial tissue that rests on the dermis

Answer 6

Epidermis

Question 7

Layer of dense connective tissue

Answer 7

Dermis

Question 8

Epidermal cell that produce Keratin

Answer 8

Keratinocytes

Question 9

Epidermal cell that synthesize melanin

Answer 9

Melanocytes

Question 10

Epidermal cell known as Langerhans cells and is the key activator in the immune system

Answer 10

Dendritic Cells

Question 11

Epidermal cell that has Merkel cells and is an epidermal-dermal junction

Answer 11

Tactile Epithelial Cells

Question 12

Deepest layer of the epidermis

Answer 12

Stratum Basale (Basal Layer)

Question 13

Layer of the epidermis containing thick bundles of intermediate filaments, which consists of a tension-resisting protein, pre-keratin

Answer 13

Stratum Spinosum (Prickly Layer)

Question 14

Layer of the epidermis where the process of keratinization begins

Answer 14

Stratum Granulosum (Granular layer)

Question 15

Layer of the Epidermis that is found only in thick skin and is the thin transluscent band

Answer 15

Stratum Lucidum (Clear Layer)

Question 16

Outermost layer of the Epidermis that sheds regularly

Answer 16

Stratum Corneum (Horny Layer)

Question 17

Composed of dense collagenous connective tissues

Answer 17

Dermis

Question 18

Layer of the dermis that has areolar connective tissues that are thin and superficial. Contains Dermal Papillae and Friction ridges.

Answer 18

Papillary Dermis

Question 19

Are projections towards the epidermis found in the upper part of the dermis

Answer 19

Dermal papillae

Question 20

Enhance ability to grip certain surfaces and contribute to sense of touch by enhancing vibrations

Answer 20

Friction Ridges

Question 21

Layer of the Dermis that is coarse and has dense irregular connective tissue, is named after network of collagen fibers

Answer 21

Reticular Dermis

Question 22

Separations between bundle forms

Answer 22

Cleavage texture lines

Question 23

Important to surgeons because when an
incision is made parallel to these lines,
the skin gapes less and heals more
readily

Answer 23

Cleavage texture lines

Question 24

Dermal folds that occur at or near joints, where the dermis is tightly secured to deeper structures

Answer 24

Flexure lines

Question 25

Is the group of pigments primarily responsible for skin, hair, and eye color

Answer 25

Melanin

Question 26

Is a yellow pigment found in plants such as squash and carrots

Answer 26

Carotene

Question 27

Lipid- soluble; when consumed, it accumulates in the lipids of the stratum corneum and in the adipocytes of the dermis and subcutaneous tissue

Answer 27

Carotene

Question 28

What is another name for subcutaneous tissue

Answer 28

Hypodermis

Question 29

Attaches the skin to underlying bone and muscle and supplies it with blood vessels and nerves

Answer 29

Subcutaneous tissue

Question 30

Hair arises from here, an invagination of the epidermis that extends deep into the dermis

Answer 30

Hair Follicle

Question 31

Protrudes above the surface of the skin for the hair

Answer 31

Hair shaft

Question 32

Below the surface of the skin for the hair

Answer 32

Root

Question 33

Expanded base of the root for the hair

Answer 33

Hair bulb

Question 34

A hair has a hard _______, which surrounds a softer center, the _____

Answer 34

Cortex, medulla

Question 35

The cortex is covered by the _____, a single layer of overlapping cells that holds the hair in the hair follicle

Answer 35

Cuticle

Question 36

An extension of the dermis that protrudes into the hair bulb and contains blood vessels

Answer 36

Hair Papilla

Question 37

Cycle of hair where hair is formed by mitosis of epithelial cells within the hair bulb

Answer 37

Growth Stage

Question 38

Cycle of hair where growth stops and the hair is held in the hair follicle

Answer 38

Resting stage

Question 39

Each hair follicle is attached to this smooth muscle cell which contract and cause the hair to become perpendicular to the skin's surface

Answer 39

Arrector pili muscle

Question 40

Major gland that are simple, branched acinar glands, with most being connected by a duct to the superficial part of a hair follicle

Answer 40

Sebaceous gland

Question 41

Sebaceous glands produce what oily white substances rich in lipids

Answer 41

Sebum

Question 42

A type of sweat gland that are simple, coiled, tubular glands and release sweat by merocrine secretion

Answer 42

Eccrine Sweat Glands

Question 43

A type of sweat gland that are simple, coiled, tubular glands that produce a thick secretion rich in organic substances

Answer 43

Apocrine sweat glands

Question 44

A think plate, consisting of layers of dead stratum corneum cells that contain a very hard type of keratin

Answer 44

Nail

Question 45

Excessive sloughing of stratum corneum cells from the surface of the scalp is called

Answer 45

Dandruff

Question 46

In skin subjected to friction, the number of layers in the stratum corneum greatly increases, producing a thickened area called a?

Answer 46

Callus

Question 47

Over a bony prominence, the stratum corneum can thicken to form a cone-shaped structure called a?

Answer 47

Corn

Question 48

A single mutation can prevent the production of melanin and cause what

Answer 48

Albinism

Question 49

A bluish color to the skin caused by decreased blood O2 content, is an indication of impaired circulatory or respiratory function.

Answer 49

Cyanosis

Question 50

A yellowish skin color which can occur when the liver is damaged by a disease, such as viral hepatitis.

Answer 50

Jaundice

Question 51

Is injury to a tissue caused by heat, cold, friction, chemicals, electricity, or radiation.

Answer 51

Burn

Question 52

This burn involves only the epidermis and is red and painful.

Answer 52

First-degree burn

Question 53

This burns damage both the epidermis and the dermis.

Answer 53

Second-degree burn

Question 54

This burns damage the complete epidermis and dermis

Answer 54

Third-degree burn

Question 55

This procedure is done when the epidermis and part of the dermis are removed from another part of the body and placed over the burn

Answer 55

Split skin graft

Question 56

Most common type of cancer

Answer 56

Skin Cancer

Question 57

Type of skin cancer where cells in stratum basale are affected. Cancer removed by surgery

Answer 57

Basal cell carcinoma

Question 58

Type of skin cancer where cells above stratum basale affected and can cause death

Answer 58

Squamous cell carcinoma

Question 59

Type of skin cancer that arises from melanocytes in a mole, is a rare type, and can cause death

Answer 59

Malignant melanoma