Sweat is secreted by ________.
sudoriferous glands
A dendritic or Langerhan cell is a specialized ________.
phagocytic cell
Regardless of race, all human beings have about the same number of melanocytes.
True
Susan sat out in the sun watching a baseball game. She developed small blisters on her unprotected shoulders and neck. What type of burn is represented by the formation of the blisters?
second-degree burn
Which layer is composed primarily of stratified squamous epithelium?
A
Sudoriferous (sweat) glands are categorized as two distinct types. Which of the following are the two types of sweat glands?
eccrine and apocrine
The biggest risk factor for the development of skin cancer is excessive exposure to ultraviolet radiation from sunlight.
True
Which of the following is a skin sensory receptor for touch?
Meissner's corpuscle
Cell division would be most common amongst cells in which of the labeled layers?
D
Earwax is made by ________.
ceruminous glands
Which skin-color-associated, pigment-producing cell is located in the labeled layer D?
melanocyte
The reason the hypodermis acts as a shock absorber is that ________.
the major part of its makeup is adipose, which serves as an effective shock absorber
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.
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
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 labeled structure produces an oily secretion?
A
Which of the following terms describes layer D?
subcutaneous
Which layer of the dermis is directly below the epidermis?
papillary layer
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
A needle would pierce the epidermal layers of the forearm in which order?
corneum, granulosum, spinosum, basale
Layers B and C collectively form the ______.
dermis
The structure indicated by label E is part of which of the following?
dermal papilla
A cancerous growth on the skin will likely exhibit ________.
asymmetry
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)
Which of the following is NOT a layer of the epidermis?
stratum reticulum