Drag the appropriate labels to their respective targets.
Drag the appropriate labels to their respective targets.
Drag the appropriate labels to their respective targets.
Which of the following terms describes layer D?
subcutaneous
Which of the following correctly describes a common feature of all
structures labeled A-D in the figure?
Structures A, B, C, and D are located in the dermis.
Which of the following would most likely be found in the stratum spinosum?
dendritic cell
Which skin-color-associated, pigment-producing cell is located in the
labeled layer D?
melanocyte
The structure indicated by label E is part of which of the following?
dermal papilla
Transformed cells within labeled layer C give rise to which form of
cell cancer?
squamous cell carcinoma
What is the function of structure B?
detection of pressure stimulus
The ________ is a thin translucent band found only in thick skin.
stratum lucidum
Which stratum of the epidermis is responsible for regenerating the
more superficial layers?
stratum basale
Melanocytes and keratinocytes work together in protecting the skin
from UV damage when keratinocytes ________.
accumulate the melanin granules on their superficial portion, forming
a UV-blocking pigment layer
Water loss through the epidermis could cause a serious threat to
health and well-being. Which of the following protects us against
excessive water loss through the skin?
Lamellated granules of the cells of the stratum granulosum, a
glycolipid that is secreted into extracellular spaces.
Despite its apparent durability, the dermis is subject to tearing.
How might a person know that the dermis has been stretched and/or torn?
The appearance of visible, silvery-white scars is an indication of
stretching of the dermis.
The design of a person's epidermal ridges is determined by the manner
in which the papillae rest upon the dermal ridges to produce the
specific pattern known as handprints, footprints, and fingerprints.
Which of the following statements is true regarding these prints or ridges?
They are genetically determined, therefore unique to each person.
Which of the following statements indicates the way in which the
body's natural defenses protect the skin from the effects of UV damage?
Prolonged exposure to the sun induces melanin dispersion, which in
turn acts as a natural sunscreen.
Skin surface
markings that reflect points of tight dermal attachment to
underlying tissues are called epidermal ridges.
False
The dermis is rich in blood vessels and nerve fibers.
TRUE
Which of the following represents a difference between eccrine sweat
glands and apocrine sweat glands?
The secretions of apocrine sweat glands contain more fat and protein
than do the secretions of eccrine sweat glands.
Which of the following statements is INCORRECT?
Tactile cells anchor
the skin to the body.
Which structure is a type of sudoriferous gland?
C
Cell division would be most common amongst cells in which of the
labeled layers?
D
A needle would pierce the epidermal layers of the forearm in which order?
corneum, granulosum, spinosum, basale
Most of the cells in layers A through D are of which type?
keratinocyte
Regardless of race, all human beings have about the same number of melanocytes.
TRUE
Which structure is a type of cutaneous sensory receptor?
B
Which of the following is a skin sensory receptor for touch?
Meissner's corpuscle
Which labeled structure produces an oily secretion?
A
Which skin pigment is made in the skin itself?
melanin
The most dangerous type of skin cancer is ________.
melanoma
The pinkish hue of individuals with fair skin is the result of the
crimson color of oxygenated hemoglobin (contained in red blood cells)
circulating in the dermal capillaries and reflecting through the epidermis.
TRUE
A cancerous growth on the skin will likely exhibit ________.
asymmetry
Which of the following cutaneous receptors is specialized for the
reception of touch or light pressure?
Meissner's corpuscles
A dendritic or Langerhan cell is a specialized ________.
phagocytic cell
The dense fibrous connective tissue portion of the skin is located in
the reticular region of the dermis.
TRUE
The epidermis consists of five layers of cells, each layer with a
distinct role to play in the health, well-being, and functioning of
the skin. Which of the following layers is responsible for cell
division and replacement?
stratum basale
Which is the most common type of skin cancer?
basal cell carcinoma
Which skin-color-associated, pigment-producing cell is located in the
labeled layer D?
melanocyte
Which of the following is NOT a layer of the epidermis?
stratum reticulum
The structure indicated by label E is part of which of the following?
dermal papilla
The protein found in
large amounts in the outermost layer of epidermal cells is collagen.
False
Which of the following terms describes layer D?
subcutaneous
The skin consists of two main regions. From deep to
superficial they are the ________.
dermis and epidermis
Which layer of the dermis is directly below the epidermis?
papillary layer
Layer B is composed primarily of ______.
areolar connective tissue
A needle would pierce the epidermal layers of the forearm in which order?
corneum, granulosum, spinosum, basale
Cell division would be most common amongst cells in which of the
labeled layers?
D
The protein found in
large amounts in the outermost layer of epidermal cells is collagen.
False
The papillary layer of the dermis is connective tissue heavily
invested with blood vessels. The superficial surface has structures called:
dermal papillae.
Which of the following terms describes layer D?
subcutaneous
The epidermis consists of five layers of cells, each layer with a
distinct role to play in the health, well-being, and functioning of
the skin. Which of the following layers is responsible for cell
division and replacement?
stratum basale
Which structure is a type of sudoriferous gland?
C
The integumentary system is protected by the action of cells that
arise from bone marrow and migrate to the epidermis. Which of the
following cells serve this function?
macrophages called dendritic cells (Langerhans Cell)
Sudoriferous (sweat) glands are categorized as two distinct types.
Which of the following are the two types of sweat glands?
eccrine and apocrine
Which layer(s) of the skin is(are) damaged in a second-degree burn?
The epidermis and the superficial region of the dermis are damaged.
Which skin pigment is made in the skin itself?
melanin
Layers B and C collectively form the ______.
dermis
Which of the following is NOT a layer of the epidermis?
stratum reticulum
Which labeled structure produces an oily secretion?
A
Which of the following statements is INCORRECT?
Tactile cells
anchor the skin to the body.
Regardless of race, all human beings have about the same number of melanocytes.
TRUE
The biggest risk factor for the development of skin cancer is
excessive exposure to ultraviolet radiation from sunlight.
TRUE
Which is the most common type of skin cancer?
basal cell carcinoma
Which structure is a type of cutaneous sensory receptor?
B
Sweat is secreted by ________.
sudoriferous glands
Which layer is composed primarily of stratified squamous epithelium?
A
The most dangerous type of skin cancer is ________.
melanoma
A cancerous growth on the skin will likely exhibit ________.
asymmetry
Apocrine glands, which begin to function at puberty under hormonal
influence, seem to play little role in thermoregulation. Where would
we find these glands in the human body?
in the axillary and anogenital area