Anatomy and physiology chapter 4&5
hair shaft
The portion of a hair that protrudes above the surface of the skin is the
nail fold
The skin that covers the lateral and proximal edges of the nail is the
Lamellae are characteristic of
compact bone tissue
an intercalated disk
An example of a gap junction is
second degree
Barney sat on a hot camp stove while on a camping trip. The burn was painful and blistered. His was what type of burn?
papillary layer of the dermis
Cedric slipped and cut his finger. The cut bled, but did not penetrate to the hypodermis. The deepest layer penetrated was the
dense regular collagenous tissue
Connective tissue in tendons is
structure of the extracellular matrix
Connective tissue is separated into subgroups based on the
lanugo hairs
Delicate unpigmented hairs that cover the fetus in early development are called
aid in cooling the body
Eccrine sweat glands
basement membrane
Epithelial tissue is distinguished from connective, muscular, or nervous tissue by its
dermal papillae
Fingerprints and footprints are produced by projections into the epidermis called
Staphylococcus
Impetigo is caused by the bacterium
granulation tissue develops
In the process of tissue repair, which of the events listed below occurs last?
a 5-minute surgical scrub
In which of the following does desquamation of the stratum corneum occur?
All of these choices are correct
Melanin production can be influenced by
smooth muscle
Movement of food through the digestive tract results from the action of
dilation of the blood vessels in the dermis of the cheeks
On coming inside from the cold, students notice that their cheeks are red. This results from
intervertebral discs
Proteoglycans trap large quantities of water and spring back to original shape after compression. They are found in
lymphatic tissue
Reticular tissue is found in
multiple layers of cells
Stratified epithelium consists of
leads to body odor
The activity of apocrine sweat glands
rule of nines
The amount of body area involved with a burn is determined by the
the light-scattering properties of collagen
The blue color of superficial blood vessels results from
epithelial, connective, muscular, and nervous
The four primary tissue types are
stratum basale
The layer of epidermis that undergoes mitosis and forms new epidermal cells is the
collagen, elastin, and reticular fibers
The three types of protein fibers found in connective tissue are
tight junction
The type of cell connection that serves as a permeability barrier is a
serous
The type of membrane that protects internal organs from friction is a ____________ membrane
the shape of cells and number of cell layers
The various types of epithelium are classified by
is found in areas subject to pressure or friction such as palms
Thick skin
reticular layer of dermis
Vitamin C is essential for normal collagen synthesis. If a child suffered from a vitamin C deficiency, which layer of the skin would be most affected?
desmosomes
What is a disk-shaped structure with especially adhesive glycoproteins around each cell that bind cells to one another?
adhesion belt
What is the girdle of glycoproteins just below the tight junction between epithelial cells?
secondary union
What occurs when wound edges are far apart?
second-degree
What type of burn appears red and swollen along with pain and blisters?
macrophages
What type of cells phagocytize foreign or injured cells and play a major role in providing protection against infections?
endocrine
What type of gland excretes products by secretion into the blood?
Langerhans cells
Which cells of the epidermis are part of the immune system?
squamous epithelium-stretching
Which of the following epithelial types is mismatched with its function?
stratified keratinized squamous epithelium
Which type of epithelium has the following characteristics: multiple layers, squamous cell shape, dead outer layers of cells, and keratin present in some cells?
basal cell carcinoma
Which type of skin cancer is the most common?
produces a layer of cells that resist abrasion
keratinization
nail matrix
Nail cells are produced by the
papillary layer
This is the dermal layer closest to the epidermis
"goodse bumps" form on the skin
When the arrector pili muscles contract
sebaceous glands
Which of the following is classified as a holocrine gland?
axons-conduct action potentials away from the cell body
Which of the following is correctly matched?
migration of white blood cells to the site of injury
Which of the following occurs when the permeability of blood vessels increases during inflammation?
loss of subcutaneous tissue contributes to sagging of the skin
Which of the following skin changes is usually associated with aging?