Chapter 5

Question 1

Is an organ system because it consists of different organs, the skin, hair follicles, sweat glands, and sebaceous glands and other tissues that work toward a common goal

Answer 1

Integumentary system

Question 2

The skin is only made up of two layers

Answer 2

Epidermis and dermis

Question 3

Functions of the skin

Answer 3

Isolation
Sensitivity /Sensations
Secretions
Protection 1st line of defense
Permeability
Maintain body temp
Stores nutrients

Question 4

Cells that make and secrete a protein called ________ that acts to make the epidermis water resistant

Answer 4

Keratin

Question 5

The _______ is deep to the epidermis and the two layers are separated by a basal lamina

Answer 5

Dermis

Question 6

The two regions of the dermis are the

Answer 6

Papillary

Reticular

Question 7

Loose connective tissue. It is folded into dermal paplilae ridges where it meets the dermis at the basal lamina. These papillary folds are responsible for fingerprints

Answer 7

Papillary region

Question 8

Deep portion of the dermis. It is made up of dense, irregular connective tissue, adipose tissue, and contains glands, glandular ducts, nerves, blood vessels, and other structures

Answer 8

Reticular region

Question 9

Is also called the superficial fascia or hypodermis

Answer 9

Subcutaneous layer

Question 10

It is deep to the dermis. It is composed of Areolar connective tissue with lots of adipose. It attaches the skin to the underlying structures, provides padding and nutrient storage, and stabilizes the skin while the deeper muscle and bone move. It is not part of the SKIN !

Answer 10

Subcutaneous layer

Question 11

Hair grows in a structure called a

Answer 11

Hair follicle

Question 12

Each follicle can have a ________ associated with it that secrete an oil called _____ that helps prevent drying and cracking of skin

Answer 12

Sebaceous gland

Sebum

Question 13

Each follicle can also have a smooth muscle called ________ muscle that can cause the hair to stand erect or cause goose bumps

Answer 13

Arrector pilli

Question 14

Serum ear wax

Answer 14

Ceruminous glands

Question 15

Are holocrine glands that discharge an oily lipid secretion into hair follicles
The glands produce large quantities of these lipids called______?
These glands release the sebum through ______?

Answer 15

Sebaceous glands

Sebum

Holocrine secretion

Question 16

Is a mixture of triglycerides, cholesterol, proteins, and electrolytes

Answer 16

Sebum

Question 17

In the armpits, around the nipples, and in the pubic region, _______ secrete their products into hair follicles

These coiled, tubular glands produce a sticky, cloud, and potentially odorous secretion

Answer 17

Apocrine sweat glands

Question 18

Eccrine sweat glands are also known as

Answer 18

Merocrine sweat glands

Question 19

These coiled, tubular glands discharge their secretions directly onto the surface of the skin

Are far more numerous and widely distributed than apocrine sweat glands

Answer 19

Eccrine (merocrine) sweat glands

Question 20

The sweat from eccrine sweat glands is called

Answer 20

Sensible perspiration

Question 21

Are modified sweat glands in the passageway of the external ear. Their secretions combine with those of nearby sebaceous glands forming a mixture called cerumen or ear wax

Answer 21

Ceruminous

Question 22

The distal portion that continues past the nail bed extends over the _____ an area of thickened stratum cornuem

Answer 22

Hyponychium

Question 23

The nail body, the visible portion of the nail, covers an area of the epidermis called the

Answer 23

Nail bed

Question 24

The nail body is recessed deep to the level of the surrounding epithelium and is bordered on either side by

Answer 24

Lateral nail grooves and lateral nail folds

Question 25

Pale crescent

Answer 25

Luluna

Question 26

A portion of the stratum corneum of the nail root extends over the exposed nail, forming the

Answer 26

Eponychium

Question 27

1st layer of the skin

2nd layer of skin

3rd layer of skin

Answer 27

Epidermis

Dermis

Hypodermis

Question 28

Is called the subcutaneous layer;superficial fascia also not part of the skin

Answer 28

Hypodermis