The Integumentary System Flashcards
The epidermis is primarily composed of:
keratinocytes.
Fingerprints are formed by:
epidermal ridges
Which type of cells help protect the body from infection and are found in the stratum spinosum layer?
Langerhans cells
What is the pocket-like structure that holds the root and matrix of the nail?
The mantle
The outermost layer of the skin is known as the:
epidermal layer.
What layer of the skin is often referred to as true skin?
The dermal layer
What is one function of the acid mantle?
Prevent chapping and drying
The key function of the melanocyte is to produce:
Melanin
The stratum spinosum is often called the:
Prickle cell layer
The study of the skin’s functions is referred to as:
Skin physiology
Which layer of skin is located below the dermal layer and composed of adipose (fat) and loose connective tissue?
The subcutaneous layer
What is the normal pH range of the skin?
4.5-5.5
Which glands are sac-like and attached to hair follicles?
sebaceous
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?
stratum lucidum
Which layer of the epidermis protects the skin’s moisture balance by acting as a barrier to moisture loss?
Stratum Corneum
What is the technical name for the study of skin, including its structure, functions, diseases and treatment?
Dermatology
An important component of skin cells is a protein substance called:
Keratin
Adipose tissue in the subcutaneous layer insulates the body, which is known as:
Thermoregulation
What quality is notable about the stratum corneum?
it is the toughest layer of the epidermis
The skin is composed of three main layers that include the epidermis, dermis and:
subcutaneous
Tiny openings that allow sweat or sebum to pass throughthe surface of the skin are called:
Pores
Sweat is produced by what gland?
sudoriferous
All of the following statements describe the cells in the granular layer EXCEPT:
are called squamous cells
Nerve bundles in the subcutaneous tissue branch into the stratum granulosum layer and respond to:
Pain
The stratum corneum is composed of:
Keratin protein cells
Functions of the skin include sensation, heat regulation, absorption, protection, excretion and:
Secretion
Which of the following skin functions is referred to as detoxification?
Excretion
Which layer of the skin gives the skin its elastic quality?
Dermis
When we measure the pH of the skin, we are actually measuring the pH of the:
Acid mantle
There are no blood vessels in which of the following skin layers?
Epidermis
