Exam 6: Integumentary System

Cerumen is a secretion that

During the fetal period,sebum from the sebaceous glands mixes with the cells of the sloughed off periderm to form the vernix caseosa.

The ability of the components of the integumentary system to respond to stress or trauma is independent of nervous or endocrine system control.

When exposed to ultraviolet light,keratinocytes convert a steroid precursor into ________,a molecule that is crucial for regulation of calcium levels.

Collagen fibers impart tensile strength to our skin while ______ fibers allow for some stretch and contraction in the dermis during movement.

Sweat gland secretion occurs in response to stimulation by the _______ division of the nervous system.

What type of epithelium is found in the epidermis

Freckles are the result of

Drugs that are administered by skin patches tend to be _______ soluble molecules that are absorbed ________.

Sensory receptors in the dermis detect touch,temperature,and light.

One of the main dangers of burns is

What types of stimuli are detected by the skin's sensory receptors

Sebum has bactericidal properties.

During aging of the integumentary system,sweat production increases as a result of improved sweat gland activity.

The structure responsible for pulling on the follicle and causing "goose bumps" is the

Normally,skin color results from a combination of A: melanin B: hemoglobin C: bilirubin D: carotene

Epidermal dendritic (Langerhans)cells function as part of the ______ response.

Apocrine sweat glands secrete sweat by having the apical portion of epithelial cells pinch off.

What is the greatest risk factor for skin cancer

The cells that contract and squeeze sweat glands causing them to discharge their accumulated secretions are called __________ cells.