The Integumentary System

Question 1

The epidermis is primarily composed of:

Answer 1

keratinocytes.

Question 2

Fingerprints are formed by:

Answer 2

epidermal ridges

Question 3

Which type of cells help protect the body from infection and are found in the stratum spinosum layer?

Answer 3

Langerhans cells

Question 4

What is the pocket-like structure that holds the root and matrix of the nail?

Answer 4

The mantle

Question 5

The outermost layer of the skin is known as the:

Answer 5

epidermal layer.

Question 6

What layer of the skin is often referred to as true skin?

Answer 6

The dermal layer

Question 7

What is one function of the acid mantle?

Answer 7

Prevent chapping and drying

Question 8

The key function of the melanocyte is to produce:

Answer 8

Melanin

Question 9

The stratum spinosum is often called the:

Answer 9

Prickle cell layer

Question 10

The study of the skin’s functions is referred to as:

Answer 10

Skin physiology

Question 11

Which layer of skin is located below the dermal layer and composed of adipose (fat) and loose connective tissue?

Answer 11

The subcutaneous layer

Question 12

What is the normal pH range of the skin?

Answer 12

4.5-5.5

Question 13

Which glands are sac-like and attached to hair follicles?

Answer 13

sebaceous

Question 14

Andrew is having his son’s fingerprints recorded today as a tool to be used if his son is ever lost. Fingerprints are made possible by which layer of the skin?

Answer 14

stratum lucidum

Question 15

Which layer of the epidermis protects the skin’s moisture balance by acting as a barrier to moisture loss?

Answer 15

Stratum Corneum

Question 16

What is the technical name for the study of skin, including its structure, functions, diseases and treatment?

Answer 16

Dermatology

Question 17

An important component of skin cells is a protein substance called:

Answer 17

Keratin

Question 18

Adipose tissue in the subcutaneous layer insulates the body, which is known as:

Answer 18

Thermoregulation

Question 19

What quality is notable about the stratum corneum?

Answer 19

it is the toughest layer of the epidermis

Question 20

The skin is composed of three main layers that include the epidermis, dermis and:

Answer 20

subcutaneous

Question 21

Tiny openings that allow sweat or sebum to pass throughthe surface of the skin are called:

Answer 21

Pores

Question 22

Sweat is produced by what gland?

Answer 22

sudoriferous

Question 23

All of the following statements describe the cells in the granular layer EXCEPT:

Answer 23

are called squamous cells

Question 24

Nerve bundles in the subcutaneous tissue branch into the stratum granulosum layer and respond to:

Answer 24

Pain

Question 25

The stratum corneum is composed of:

Answer 25

Keratin protein cells

Question 26

Functions of the skin include sensation, heat regulation, absorption, protection, excretion and:

Answer 26

Secretion

Question 27

Which of the following skin functions is referred to as detoxification?

Answer 27

Excretion

Question 28

Which layer of the skin gives the skin its elastic quality?

Answer 28

Dermis

Question 29

When we measure the pH of the skin, we are actually measuring the pH of the:

Answer 29

Acid mantle

Question 30

There are no blood vessels in which of the following skin layers?

Answer 30

Epidermis