Integumentary System

The blood supply of the integument is located in this layer

• Dermis

• Epidermis

• Hypodermis / Subcutaneous Layer

• Accessory Structures

The cells in this layer constantly turn over, and are completely replaced every few weeks.

• Dermis

• Epidermis

• Hypodermis / Subcutaneous Layer

• Accessory Structures

Mostly made of adipose connective tissue.

• Dermis

• Epidermis

• Hypodermis / Subcutaneous Layer

• Accessory Structures

Contains epithelial cells and melanocytes.

• Dermis

• Epidermis

• Hypodermis / Subcutaneous Layer

• Accessory Structures

What layer of the epidermis contains the stem cells that divide to produce new skin cells?

• A

• B

• C

• D

• E

Which layer is the stratum corneum?

• A

• B

• C

• D

• E

Exposure to sunlight is needed for the integumentary system to generate ______________, which is needed for absorption of ______________.

• Vitamin C; Iron

• Vitamin B12, Potassium

• Vitamin A, Phosphorus

• Vitamin D, Calcium

What part of hair contains the stem cells that divide and actually become hair?

• Arrector pili

• Hair papilla

• Hair shaft

• Hair matrix

What secretion is only found in the axillary regions of the body and is degraded by bacteria to produce body odor?

• Sebum

• Apocrine sweat

• Merocrine sweat

• Dead skin cells

Third-degree, or full-thickness, burn

• A burn in which only the epidermis becomes red and swollen

• cancer of stratum spinosum cells

• cancer of melanocytes

• A burn in which the skin becomes blackened or blanched (gray-white

• malignancy of the lowest epidermal layer