Anatomy Exam 2: Chapter 4 & 5
the secretions of endocrine glands are released directly
into the bloodstream
When the arrector pili muscles contract,
"goose bumps" form on the skin
if you accidentally cut your arm and see connective tissue and fat, which layer(s) was/were cut?
-stratum corneum -stratum basale -dermis -hyperdermis
simple epithelium consists of
a single layer of cells
what type of cells contain large amounts of lipids
adipocytes
a yellow pigment derived from plants that can impart a yellow color to the skin is
carotene
which of the following types of connective tissue is mismatched with its matrix?
cartilage - highly vascular matrix
which of the following categories of epithelium is based on cell shape?
columnar
the stratum basale
contains cells that undergo mitosis to form new epidermal cells.
the epidermis
contains no blood vessels
The bluish tinge of skin due to a reduction of oxygen in the blood is called
cyanosis
what type of connective tissue is found in the external ears
elastic cartilage
this layer of skin is composed of keratincytes
epidermis
which tissue type forms glands
epithelial
what type of tissue forms linings or coverings
epithelial tissue
the four primary tissue types are
epithelial, connective, muscular, nervous
which of the following will help cool the body
evaporation of sweat from the skin's surface
a cell that forms fibrous connective tissue would be called a
fibroblast
a slight sunburn is an example of a _____ burn?
first-degree
the portion of a hair that protrudes above the surface of the skin is the
hair shaft
this is the site of fat storage in the skin
hypodermis
melanin
is absent in individuals known as albinos
thick skin
is found in areas subject to pressure or friction such as palms
what protein is found in the nails, hair, and epidermis
karatin
As skin cells move toward the surface of the body, they produce a protein that reduces water loss. This process is called
keratinization
which cells of the epidermis are part of the immune system
langerhans cells
The activity of apocrine sweat glands
leads to body odor
the extracellular material found in tissues is called
matrix
melanocytes is produced only by
melanocytes
What type of exocrine gland uses exocytosis to secrete its product?
merocrine
A thick, sticky secretion produced by goblet cells is called
mucus
macrophages are cells specialized for
phagocytosis
nails
protect the ends of digits
which of the following functions is associated with skin?
protection against UV radiation of the sun
Skin glands do not include
salivary glands
what type of epithelial tissue is found in the stomach?
simple columnar epithelium
what type of muscle is found attached to bones
skeletal muscle
the layer of the epidermis in which there is the greatest amount of mitotic activity.
stratum basale
the various types of epithelium are classified by
the shape of cells and number of cell layers
which of the following hair colors is result of a decrease in melanin
white