Patho Ch 46

Which layer of the skin is avascular and composed mainly of keratinocytes?

• Dermis

• Epidermis

• Subcutaneous tissue

• Fascia

Fill in the Blank: The (a)   is the deepest layer of the epidermis where cell division occurs.

Which specialized cells in the epidermis produce pigment?

• Langerhans cells

• Merkel cells

• Melanocytes

• Keratinocytes

Which dermal appendage is responsible for regulating body temperature and excreting waste?

• Sebaceous glands

• Sweat glands

• Hair follicles

• Nails

Fill in the Blank: (a)   glands produce sebum, an oily substance that helps lubricate and protect the skin.

Which protein is the primary structural component of hair and nails?

• Elastin

• Keratin

• Collagen

• Actin

Tags

NGSS.MS-LS3-1

The dermis is composed mainly of which tissue type?

• Adipose tissue

• Epithelial tissue

• Connective tissue

• Muscle tissue

Fill in the Blank: (a)   corpuscles in the skin detect deep pressure and vibration.

Which type of burn involves only the epidermis?

• First-degree

• Second-degree

• Third-degree

• Fourth-degree

Which immune cells in the epidermis play a role in antigen recognition?

• Langerhans cells

• Merkel cells

• Melanocytes

• Fibroblasts