Exam 10: Skin

Convection is responsible for most of the heat loss of the body.

In using the rule of nines to determine the area of the body involved, the body is divided into nine areas of 11% each.

Cells in which layer are filled with a protein called eleidin?

Heat loss by the skin is controlled by a positive-feedback loop.

Cleavage lines and Langer lines refer to the same thing.

Explain how the involvement of desmosomes in a blister is a good example of the relationship between structure and function at the chemical level of organization.

The term used to describe the skin and its appendages is:

Continual abrasion to the skin surface tends to lengthen the turnover time of the skin.

The hypodermis is a subcutaneous layer rich in adipose and loose fibrous connective tissue.

Which statement best explains the importance of the dendritic cells?

The same degree of environmental temperature seems hotter in humid climates than it does in dry ones because:

Which of the following is not true of dermal growth and repair?

High levels of lysosomal enzymes are found in the cells of the stratum granulosum layer.

Apocrine sweat glands are the most numerous and widespread sweat glands in the body.

Light-skinned people have fewer melanocytes in their skin than do dark-skinned people.

One of the factors associated with the common type of baldness is the presence of testosterone.

Permanent tattoos are made by injecting pigments into the epidermis of the skin, and because of the regeneration of the epidermis, they become less distinct with age.

Friction ridges function to:

The germinal matrix is a small mound of dermis that supplies blood to the hair follicle.

Which cells of the skin act as a type of antigen-presenting cell in the skin?