Exam 5: Integumentary System

When the body is too warm,dermal blood vessels will undergo _______ in order to increase heat loss.

Which describes the skin's form and function?

Fingernails and toenails start to form in the ______ week of development.

-Which number indicates the reticular layer of the dermis?

The cells of the hair follicle walls are organized into ______ (number)principal concentric layers.

During the development of the fetus,which must be present before hair can form?

The thickness of the skin as a cover is consistent throughout the body.

The epidermal ridges and dermal ________ increase the area of contact between the epidermis and dermis to help connect these layers.

The stratum _________ derives its name from the spiny appearance of the "bridges" that connect neighboring cells.

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

Which actions happen in the stratum granulosum? A: Keratinization B: Cell flattening C: Plasma membranes thicken D: Plasma membranes become less permeable

The skin consists of different tissue types that perform specific activities and therefore is to be considered an organ.

From deep to superficial,the order of the strata of the epidermis is

Another name for the skin is the _________ membrane.

The mammary glands of the breasts are modified ______ sweat glands.

Freckles are the result of

The police science of fingerprinting takes advantage of the unique pattern of ________ ridges found on human fingers,toes,palms,and soles.

Most of the nail body appears pink because of the blood in the underlying capillaries.

Which of these are functions of hair? A: Sensory reception B: Heat retention C: Pheromone dispersal D: Protection E: Visual identification

A ______,also called a mole,is a harmless,localized overgrowth of melanin-forming cells.