The Skin

Which of the following cells are associated with the sensory function of skin?

Merkel Cells

The skin provides physical protection since it prevents the entry of some pathogens. The skin also provides protection against pathogens via the activity of the __________.

Langerhans' cells

The skin is considered to be an organ because it __________.

is made of epithelial tissue and connective tissue

The cells in the stratum basale layer can migrate to the stratum corneum layer. In the stratum basale layer are cells that produce pigment and do not migrate. What are those cells called?

melanocytes

There are cells in the epidermis that produce a pigment that protect against DNA mutation by UV radiation. These cells help create our skin color and a tan. What are these cells called?

melanocytes

When we look at our fingers, we can see fingerprints. Which of the following layers of skin are we looking at in order to see the fingerprints?

papillary layer of the dermis

Which of the following layers is the thickest of the cutaneous layer?

reticular layer

Which layer of the epidermis consists of cells that are undergoing active cell reproduction and eventually migrate to the stratum corneum layer to be sloughed off?

stratum basale

Which of the following is the correct sequence of the layers of the epidermis in thick skin, from superficial to deep?

stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum basale

Which layer of the epidermis consists of cells that produce the tough protein substance called keratin?

stratum granulosum

The skin is involved in producing which of the following vitamins?

vitamin D