CH 18 integumentary system

Which term refers to the natural protective covering of the body?

• Dermis

• Integument

• Melanin

• Lesion

Which pigment gives skin its color?

• Keratin

• Melanin

• Collagen

• Elastin

A melanocyte is best described as which of the following?

• A pigment molecule that colors the skin

• A cell in the skin that produces and contains melanin

• A gland that secretes sweat

• A nerve ending that senses touch

Which statement accurately defines a closed wound?

• The skin’s surface is not intact

• The skin’s surface is not broken

• A break in the skin allowing bacteria to enter

• A wound caused by mites

Cellulitis is caused by which of the following?

• Viruses moving into the tissues

• Bacteria moving into the tissues due to a break in the skin

• Fungal growth in a ring shape

• Mites burrowing into the skin

Which infection causes red, scaly patches to appear in a ring shape?

• Tinea

• Scabies

• Shingles

• Wart

Which form of skin cancer is identified as the most serious?

• Benign melanoma

• Malignant melanoma

• Basal cell carcinoma

• Wart

Which statement best explains why bruises appear purple, black, or blue?

• They are caused by disease killing tissue

• They result from leaking blood from broken blood vessels into surrounding tissues

• They are caused by bacterial infection

• They are caused by mites burrowing into the skin

Which component is NOT listed as part of the integumentary system?

• Sebaceous (oil) glands

• Nerve endings

• Perineal area

• Sweat glands

Which system is identified as the largest organ and system in the human body?

• Skeletal system

• Integumentary system

• Cardiovascular system

• Nervous system