Skin and Epidermis Quiz

What epidermal layer consists of a single layer of columnar cells that undergo mitosis?

• Stratum corneum
• Stratum granulosum
• Stratum lucidum
• Stratum basale

Why does the elevated body temperature seen with a fever develop?

• Fever results from excessive physical activity.
• Fever is caused by exposure to cold temperatures.
• Because the set point for body temperature becomes elevated.

• Elevated body temperature is a sign of dehydration.

The subcutaneous layer is comprised of what tissue type(s)?

• Epithelial tissue
• Muscle tissue
• Nervous tissue
• Areolar and adipose tissue

What condition results from a complete lack of melanin?

• Albinism
• Vitiligo
• Hyperpigmentation
• Psoriasis

Tags

NGSS.MS-LS3-1

Why does exposure to ultraviolet light darken the skin?

• Ultraviolet light increases blood flow to the skin.
• Exposure to ultraviolet light makes skin more elastic.
• It stimulates the synthesis of melanin.

• Ultraviolet light causes skin to lose moisture.

If the dermal papillae were completely flat, this would result in the fingerprints becoming even more prominent.

• False
• True

What are corns?

• Corns are a form of footwear.
• Corns are small insects that live in soil.
• Corns are a type of vegetable.
• Keratinized conical masses

The major blood vessels that supply the epidermis are in the __________.

• epidermis
• hypodermis
• subcutaneous layer
• dermis

Where are the blood vessels that supply the epidermal cells with nutrients found?

• In the epidermis itself.
• In the subcutaneous layer below the dermis.
• In the dermis

• In the lymphatic system nearby.

The skin, as an organ, is also referred to as the__________.

• dermis
• hypodermis
• epidermis
• cutaneous membrane