INtegumentary SYstem Review

An organ contains _____

• all one type of tissue.

• skin and bones.

• at least four tissues grouped together that function together.

• one variety of each of the four tissue types.

• two or more tissues grouped together that function together.

The human integumentary system includes _____

• skin, nails, hair follicles, and glands.

• just the skin.

• the epidermis, dermis, and subcutaneous layer.

• muscles and bones.

• skin, hooves, and horns.

Nerve fibers scattered throughout the dermis are associated with _____

• hair, oil glands, and sweat glands.

• bone, tendons, and muscles.

• the subcutaneous layer.

• muscles, glands, and sensory receptors.

• fingernails and toenails.

Among the following statements concerning the skin, the one that is not correct is _____

• The dermis is usually thicker than the epidermis.

• The epidermis is composed of stratified squamous epithelium.

• The subcutaneous layer is between the dermis and the epidermis.

• The dermis contains smooth muscle and nerve tissue.

• The skin contains some immune cells.

As cells are pushed from the deeper part of the epidermis toward the surface, they _____

• they divide continually.

• their supply of nutrients improves.

• they die.

• they become dermal cells.

• they become cancerous.

The skin is responsible for _____.

• retards water loss from deeper tissues.

• synthesizes vitamin D.

• regulates body temperature.

• excretes wastes.

• all of these.

The major blood vessels that supply skin cells are found in the _____

• epidermis.

• epidermis and dermis.

• dermis.

• subcutaneous layer.

• bone.

Skin cancer cells are most likely to develop from _____

• pigmented epithelial cells.

• pigmented melanocytes.

• nonpigmented epithelial cells.

• nonpigmented melanocytes.

• nonpigmented dermal cells.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS3-1

_____ is not a method for helping prevent pressure ulcer formation.

• Massaging the skin

• Eating foods rich in proteins

• Providing adequate fluid intake

• Maintaining one body position

• Stimulating blood flow

The main function of melanocytes is to _____

• remove dead cells by phagocytosis.

• help control body temperature.

• produce melanin.

• produce vitamin D.

• act as sensory receptors.