Anatomy and physiology chapter 4&5

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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?


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