Skin is an organ. This means that skin is comprised of:
two or more tissue types working together
The epidermal cells called ______ are responsible for producing the pigment found in the skin
What is the function of the lunula of the nail?
site of nail growth
Name the area where hair growth occurs.
Name the function of the arrector pili.
To shift position of hair follicles
Vasoconstriction of blood vessels in the dermis of the skin is a response to a(n) ______ in body temperature.
The process of _____ occurs in response to tissue injury or stress and involves increased blood flow and increased permeability of blood vessels in the area of injury.
An organ contains
two or more tissues grouped together that function together
retards water loss from deeper tissues. excretes wastes. regulates body temperature. synthesizes vitamin D
The major blood vessels that supply skin cells are found in the
Skin cancer cells are most likely to develop from
nonpigmented epithelial cells
The main function of melanocytes is to
Cutaneous carcinomas are most commonly caused by exposure to
The most common cause of cutaneous melanoma is
relatively short exposure to high intensity sunlight
Exposure to ultraviolet light darkens the skin by stimulating production of
Blood with excess oxygen causes cyanosis.
The outermost layer of the epidermis is stratum basale and the innermost layer is stratum corneum.
The deepest cells of the epidermis make up the stratum ____________.
__________ is the pigment produced by melanocytes.
A nail consists of a
nail bed and nail plate
Eccrine sweat glands
respond primarily to elevated body temperature
Acne is a disorder involving the
the arrector pili muscle is composed of __________ muscle tissue.
The regulation of body temperature is of vital importance because
slight shifts in temperature can disrupt the rates of metabolic reactions
Which of the following is a normal response to excess loss of body heat in a cold environment? Dermal blood vessels constrict. Sweat glands become inactive. Skeletal muscles contract involuntarily. Less blood flows to dermal vessels. All of these
all of these
When the body temperature rises above normal, dermal blood vessels are likely to constrict.
A bone is a(n)______that contains _____________type(s) of tissue(s)
organ, many different
A bone is a ____ structure composed mainly of _____tissue
Bone also includes hyaline ______, dense connective tissue, _______ (a fluid), and _______ (for sensory information)
cartilage, blood, nervous tissue
What is the end of a long bone called?
What is the definition of hematopoiesis?
The process of blood cell formation
What is the role or function of yellow marrow in the bone tissue?
Yellow bone marrow is a site for storage of fat
What are the functions of the skeletal system?
protect soft tissue exchange gases for the body
Which of the following bones are part of the appendicular skeleton?
There are _ bones of the skull that protect the brain
What are the small holes in the skull called that serve as passageways for blood vessels and nerves?
Which bone is the most posterior skull bone?
The sphenoid bone makes a portion of the orbit
What sits in the sella turcica?
Which location is not made up by the ethmoid bone?
Anterior roof of the mouth
Which bone makes a portion of the roof of the mouth?
All cranial bones function to protect the brain and thus form a portion of the cranial cavity
Which bone does not make up a part of the orbit?
What bone makes the anterior base of the skull, forms a portion of the orbit, and is comprised of a body and two wings?
What 2 bones make the nasal septum?
ethmoid and vomer
What facial bone is the only bone not joined to other skull bones by sutures?