A&P Exam 1 Review
This stratum contains many layers of dead squamous cells.
Stratum corneum
A vertical plane that separates the body into right and left portions is called a_________ plane.
sagittal
What happens when the arrector pili muscles contract?
"Goose bumps" form on the skin.
The dermal layer closest to the epidermis is the
papillary layer
The wall of the abdominopelvic cavity is lined by a serous membrane called the
parietal peritoneum
Epithelial tissue is characterized by
tightly packed cells
What is a collection of similar cells and surrounding substances?
tissue
The umbilical region is commonly known as the
naval
Eccrine sweat glands do which of the following?
Aid in cooling the body
If you accidentally cut your arm and see adipose tissue, which layer(s) was/were cut?
All of the choices are correct
What will develop when the skin is subjected to excess friction or pressure?
Callus
Which type of tissue possesses an abundant extracellular matrix?
Connective tissue
What is a disc-shaped structure with especially adhesive glycoproteins around each cell that bind cells to one another?
Desmosomes
What is a small protein channel that allows the passage of ions and small molecules between cells?
Gap junction
Which durable protein is found in the nails, hair, and epidermis?
Keratin
Which type of tissue contains cells called neurons?
Nervous tissue
Which of the following functions is associated with the skin?
Protection against ultraviolet radiation of the sun
Which epithelial tissue can be described as "all cells attached to the basement membrane but not all cells reach free surfaces"?
Pseudostratified
Which type of epithelial tissue is found lining the trachea?
Pseudostratified ciliated columnar epithelium
Which of the following epithelial types is mismatched with its function?
Squamous epithelium - stretching
In which layer of the epidermis are granules of keratohyalin formed?
Stratum granulosum
Which type of epithelial tissue is found in the urinary bladder?
Transitional epithelium
Which vitamin begins its synthesis in the skin when the skin is exposed to ultraviolet light?
Vitamin D
The mesentery is
a double-layered serous membrane that anchors some of the abdominal organs to the body wall
An organ is
a structure composed of several tissue types
Which type of muscle is found in the wall of the heart?
cardiac muscle
"Cutting off your nose" would be a section in the_________ plane.
coronal
The bluish tinge of skin due to a reduction of oxygen in the blood is called
cyanosis
Friction ridges of the hands and feet are produced by projections into the epidermis called
dermal papillae
The changes an organism undergoes through time is called
development
The superficial layer of epithelium of the skin is called the
epidermis
A cell that forms fibrous connective tissue would be called a_________.
fibroblast
The secretions of endocrine glands are released directly
into the bloodstream
Structures that function in intercellular communication include
gap junctions
A tissue is a
group of cells with similar structure and function
An increase in the number of cells is
growth
An expanded knob at the base of the hair root is the
hair bulb
The portion of a hair that protrudes above the surface of the skin is the
hair shaft
By reducing body temperature during hot weather, skin helps to maintain
homeostasis
Which of the following occurs when the permeability of blood vessels increases during inflammation?
migration of white blood cells to the site of the injury
A thick, sticky secretion produced by goblet cells is called
mucus
Nail cells are produced by the
nail matrix
Collagen, elastin, and reticular fibers in connective tissues are all considered
proteins
Epithelium that is primarily secretory in function would most likely be
simple cubodial
The epidermal layer that is present in the nail bed and the nail matrix is the
stratum basale
The layer of epidermis that undergoes mitosis and forms new epidermal cells is the
stratum basale
The nail is composed of cells of the
stratum corneum
A muscle that is not consciously controlled and has a banded appearance would be described as
striated voluntary
Which subdivision of anatomy involves the study of organs that function together?
systemic
The various types of epithelium are classified by
the shape of cells and number of cell layers