Chapter 6-Integumentary System
Epidermal dendritic cells are found in which of the of the strata?
Basalt, granulosum, spinosum
The two types of hemangioma are ____ and _____.
Capillary, cavernous
The ____ layer of the dermis consists primarily of dense irregular tissue with large bundles of collagen fibers.
Reticular
The hair follicle is an oblique tube that surrounds the hair ___.
Root
____ glands are also called sweat glands.
Sudoriferous
Lines of cleavage (or tension lines) in the skin relate to the predominate orientation of ____ fiber bundles
Collagen
The predominant type of protein fiber found in the dermis is ____.
Collagen
Lines of cleavage (or tension lines) in the skin identify the predominant orientation of ____ fiber bundles in the______.
Collagen, dermis
At the nail root and proximal end of the nail body, the nail thickens to form the nail ____ .
Matrix
When skin has been damaged. Which integumentary system components are NOT repaired?
Nerves, hair follicles, exocrine glands
Hair is found everywhere on the body except the sides and ___ of the handstand fingers, the sides and ___ of the feet and toes, the lips, and portions of the external genitalia.
Palms, soles
The ____layer of the dermis contains areolar connective tissue and dermis papillae.
Papillary
In the dermis of the skin, ____ fibers impart strength while ____ fibers allow some stretch.
Collagen, elastic
In thick skin, the layers of epidermis that contain dead keratinocytes are the stratum lucidum and stratum ____.
Corneum
The stratum ____ consists of about 20 to 30 layers of dead, scaly, interlocking keratinized cells.
Corneum
In addition to keratinocytes, the stratum spinous also contains another epidermal cell type called epidermal ___ cells which help fight infection.
Dendritic
In the second step of wound healing, a blood clot temporarily patches the ____ of the wound together and acts as a barrier to prevent the entry of -____ into the body
Edges, pathogens
Third degree burns involve the ____, dermis, and ____ layer, which often are destroyed
Epidermis and subcutaneous
The two distinct layers of integument consist of a layer of stratified squamous epithelium called the ____ and a deep layer of areolar and dense irregular connective tissue called the ______.
Epidermis, dermis
First degree burns involve on the ____ and are characterized by ____ , pain, and slight edema.
Epidermis, redness
In the layer of the epidermis called the stratum___ , the process of keratinization begins.
Granulosum
What are the functions of the skin?
Heat regulation, barrier to water loss
The subcutaneous layer is also know. As the ____ or superficial fascia.
Hypodermis
The most numerous cells of the epidermis are _____ and the protein they produce is called _____.
Keratinocytes, keratin
In the third step of wound healing, ___ within the wound begin to remove the clotted blood.
Macrophages
A Nevis is commonly referred to as a __. It is a harmless, localized growth of ___ forming cells.
Mole, melanocytes
The main function of melanin pigment is to protect the ____ of keratinocytes from UV radiation.
Nucleus
Terminal hair is the type of hair that grows on the ____, and is also the hair of _____ and eyebrows, the axils, and the pubic region. In men, it also grows on the face.
Scalp, eyelashes
When part of the skin is too severely damaged or it's cells lack the capacity to divide, the body fills in the gap with ___ tissue. This process is know as ____.
Scar, fibrosis
Because skin can absorb certain chemicals and block others, it is described as ___ permeable.
Semi
Sebaceous glands are activated primarily by ____ during puberty in both sexes.
Sex hormones
The major function of Nero crime sweat glands is ____.
Thermoregulation
There are three main variations of epidermis. These variations are ____, coloration, and skin markings.
Thickness
In children, ____ is the primary human hair and is found on most of the body
Vellus
Among the stimuli detected by the sensory receptors of the skin are____ .
Vibration, pressure, cold
As a result of the aging process, hair follicles can actually ___ production of hairs.
stop
On many parts of the body, the components of the dermis include blood vessels, ____ glands, _____ glands, hair follicles, nail roots, sensory nerve endings, and smooth muscle tissue.
Sweat, sebaceous
The release of water vapor from sweat glands when we are not sweating is a process called _____.
Transpiration
Nails are derived from the same type of cells that produce the stratum ___ layer of the epidermis
Corneum
People most likely to develop skin cancer are those with ____.
Fair skin
Friction ridges are used as forensic tools because they leave noticeable prints on touched surfaces, commonly called ____.
Finger prints
Keratinocytes of the epidermis are usually present for about ____ weeks.
Four
Mammary glands only become functional in which of the following conditions?
Pregnant and lactating women
Which organs are involved in making calcitriol, the active form of vitamin D?
Skin, liver, kidney
The substances that make sweat feel gritty are water, ___ and ___.
Slat, urea
All people, of all skin tones, have about the same number of melanocytes.
True
Skin classification as either thick or thin based on two parameters: the number of epidermal _____ in the epidermis and the relative _____ of the epidermis, rather than the thickness of the entire integument.
Strata, thickness
Immune cells found in the epidermis are called ____ cells.
Epidermal dendritic
Healing of second degree burns takes approximately -____ weeks, and slight scarring may occur.
2-4
_____ is an inherited recessive condition where the enzymes needed to produce melanin is nonfunctional.
Albinism
Scientifically, thinning of the hair on the scalp is called ____.
Alopecia
A hemangioma is a congenital anomaly in skin discoloration due to ___that proliferate and form a veining tumor.
Blood vessels
In the first step of wound healing, blood brings ____ proteins, numerous white blood cells and antibodies to the site.
Clotting
The nails, hair, and exocrine glands of the skin are known as ___.
Epidermal appendages
Nerve fibers in the skin monitor sensory receptors in the. ____ and ____ .
Dermis and epidermis
In the third step of wound healing, the cut blood vessel ____ and grow into the wound.
Regenerate
In what two ways are damaged skin tissues normally repaired?
Regeneration, fribrosis