Chapter 6 - Integumentary System - Part 2

Question 1

Accessory structures of the skin originate from the epidermis and include…

Answer 1

Nails, hair follicles, and skin glands

Question 2

Each nail consists of a…

Answer 2

Nail plate and a nail bed`

Question 3

The whitish half-moon area is called the…

Answer 3

Lunula

Question 4

Lunula is the most active ____ of the nail…

Answer 4

Growth region

Question 5

Nails grow from epithelial cells that…

Answer 5

Divide and become keratinized

Question 6

At any time, 90% of hair is in the ____ phase.

Answer 6

Growth

Question 7

Each hair develops from a group of epidermal cells at the base of a tubelike depression called a…

Answer 7

Hair follicle

Question 8

The hair follicle extends from the surface into the dermis and contains the…

Answer 8

Hair root

Question 9

The hair root is the portion of hair that is…

Answer 9

Embedded in the skin

Question 10

A hair is composed of dead…

Answer 10

Epidermal cells

Question 11

Genes determine hair colors by directing the type and amount of ____ that epidermal melanocytes produce.

Answer 11

Pigment

Question 12

Androgenetic alopecia is also known as…

Answer 12

Pattern baldness

Question 13

Muscle that attaches to each hair follicle, causes hair to stand up when cold or nervous…

Answer 13

Arrector pili muscle

Question 14

Contain groups of specialized epithelial cells and are usually associate with hair follicles…

Answer 14

Sebaceous glands

Question 15

Sebaceous glands release sebum and are known as…

Answer 15

Holocrine glands

Question 16

Helps keep hairs soft, pliable, and smooth…

Answer 16

Sebum

Question 17

Each of this gland consists of a tiny tube that originates as a ball-shaped coil in the deeper dermis or superficial subcutaneous layer.

Answer 17

Sweat gland

Question 18

The most numerous sweat glands are called…

Answer 18

Eccrine glands

Question 19

Eccrine glands respond to…

Answer 19

Body temperature

Question 20

Sweat is mostly water, but it also contains small amounts of salts and wastes such as…

Answer 20

Urea and uric acid

Question 21

Sweating is also a…

Answer 21

Secretory function

Question 22

Sweat glands that develop a scent as skin bacteria metabolize them are called…

Answer 22

Apocrine glands

Question 23

Apocrine sweat glands become active at puberty and can wet certain areas of the skin when a person is…

Answer 23

Emotionally upset, frightened, or in pain

Question 24

Blackheads and whiteheads are collectively known as…

Answer 24

Comedones

Question 25

Heat is a product of...

Answer 25

Cellular metabolism

Question 26

The major heat producers in the body are the more active cells, such as the...

Answer 26

Skeletal muscle cells and cardiac muscle cells and cells of the liver

Question 27

When warm blood reaches the \_\_\_\_, the _____ signals muscles in the walls of the dermal blood vessels to relax.

Answer 27

Hypothalamus

Question 28

As dermal blood vessels dilate (vasodilation), more blood enters them, and some of the heat the blood...

Answer 28

Escapes to the outside

Question 29

At the same time as vasodilation, deeper blood vessels contract (vasoconstriction), diverting blood...

Answer 29

To the surface (skin reddens)

Question 30

The primary means of body heat loss...

Answer 30

Radiation

Question 31

Heat moves from the body directly into the molecules of cooler objects in contact with its surface in...

Answer 31

Conduction

Question 32

Continuous circulation of air over a warm surface is called...

Answer 32

Convection

Question 33

When the body temperature rises above normal, the nervous system stimulates eccrine sweat glands to release sweat onto the surface of the skin. As this fluid evaporates, it carries heat away from the surface, cooling the skin. This is called...

Answer 33

Evaporation

Question 34

Body temperature may rise in a condition called...

Answer 34

Hyperthermia (core body temp exceeding 106F)

Question 35

What may result from prolonged exposure to cold or as part of an illness?

Answer 35

Hypothermia

Question 36

# Reverse Nails, hair follicles, and skin glands

Answer 36

Accessory structures of the skin originate from the epidermis and include...

Question 37

# Reverse Nail plate and a nail bed`

Answer 37

Each nail consists of a...

Question 38

# Reverse Lunula

Answer 38

The whitish half-moon area is called the...

Question 39

# Reverse Growth region

Answer 39

Lunula is the most active ____ of the nail...

Question 40

# Reverse Divide and become keratinized

Answer 40

Nails grow from epithelial cells that...

Question 41

# Reverse Growth

Answer 41

At any time, 90% of hair is in the ____ phase.

Question 42

# Reverse Hair follicle

Answer 42

Each hair develops from a group of epidermal cells at the base of a tubelike depression called a...

Question 43

# Reverse Hair root

Answer 43

The hair follicle extends from the surface into the dermis and contains the...

Question 44

# Reverse Embedded in the skin

Answer 44

The hair root is the portion of hair that is...

Question 45

# Reverse Epidermal cells

Answer 45

A hair is composed of dead...

Question 46

# Reverse Pigment

Answer 46

Genes determine hair colors by directing the type and amount of ____ that epidermal melanocytes produce.

Question 47

# Reverse Pattern baldness

Answer 47

Androgenetic alopecia is also known as...

Question 48

# Reverse Arrector pili muscle

Answer 48

Muscle that attaches to each hair follicle, causes hair to stand up when cold or nervous...

Question 49

# Reverse Sebaceous glands

Answer 49

Contain groups of specialized epithelial cells and are usually associate with hair follicles...

Question 50

# Reverse Holocrine glands

Answer 50

Sebaceous glands release sebum and are known as...

Question 51

# Reverse Sebum

Answer 51

Helps keep hairs soft, pliable, and smooth...

Question 52

# Reverse Sweat gland

Answer 52

Each of this gland consists of a tiny tube that originates as a ball-shaped coil in the deeper dermis or superficial subcutaneous layer.

Question 53

# Reverse Eccrine glands

Answer 53

The most numerous sweat glands are called...

Question 54

# Reverse Body temperature

Answer 54

Eccrine glands respond to...

Question 55

# Reverse Urea and uric acid

Answer 55

Sweat is mostly water, but it also contains small amounts of salts and wastes such as...

Question 56

# Reverse Secretory function

Answer 56

Sweating is also a...

Question 57

# Reverse Apocrine glands

Answer 57

Sweat glands that develop a scent as skin bacteria metabolize them are called...

Question 58

# Reverse Emotionally upset, frightened, or in pain

Answer 58

Apocrine sweat glands become active at puberty and can wet certain areas of the skin when a person is...

Question 59

# Reverse Comedones

Answer 59

Blackheads and whiteheads are collectively known as...

Question 60

# Reverse Cellular metabolism

Answer 60

Heat is a product of...

Question 61

# Reverse Skeletal muscle cells and cardiac muscle cells and cells of the liver

Answer 61

The major heat producers in the body are the more active cells, such as the...

Question 62

# Reverse Hypothalamus

Answer 62

When warm blood reaches the \_\_\_\_, the _____ signals muscles in the walls of the dermal blood vessels to relax.

Question 63

# Reverse Escapes to the outside

Answer 63

As dermal blood vessels dilate (vasodilation), more blood enters them, and some of the heat the blood...

Question 64

# Reverse To the surface (skin reddens)

Answer 64

At the same time as vasodilation, deeper blood vessels contract (vasoconstriction), diverting blood...

Question 65

# Reverse Radiation

Answer 65

The primary means of body heat loss...

Question 66

# Reverse Conduction

Answer 66

Heat moves from the body directly into the molecules of cooler objects in contact with its surface in...

Question 67

# Reverse Convection

Answer 67

Continuous circulation of air over a warm surface is called...

Question 68

# Reverse Evaporation

Answer 68

When the body temperature rises above normal, the nervous system stimulates eccrine sweat glands to release sweat onto the surface of the skin. As this fluid evaporates, it carries heat away from the surface, cooling the skin. This is called...

Question 69

# Reverse Hyperthermia (core body temp exceeding 106F)

Answer 69

Body temperature may rise in a condition called...

Question 70

# Reverse Hypothermia

Answer 70

What may result from prolonged exposure to cold or as part of an illness?