A&P Ch 4 Quiz 2

Although you get wet while swimming, which tough protein within the skin prevents it from soaking up moisture like a sponge?

• serous fluid

• keratin

• melanin

• carotene

The epidermis is composed of

• adipose tissue

• areolar tissue

• dense fibrous connective tissue

• stratified squamous epithelium

Jan got her microscope slides mixed up in lab as they were unlabeled. The slide with abundant adipose tissue should be labeled as the

• reticular layer of the dermis

• epidermis

• subcutaneous tissue (hypodermis)

• stratum corneum

The two main layers of skin are

• stratum corneum and dermis

• epidermis and dermis

• stratum basale and dermis

• papillary layer and reticular layer

A splinter pierces through the epidermal layers of the sole of the foot in the following order: 1. stratum basale 2. stratum corneum 3. stratum granulosum 4. stratum lucidum 5. stratum spinosum

• 1, 3, 5, 2, 4

• 2, 3, 5, 1, 4

• 1, 5, 3, 4, 2

• 2, 4, 3, 5, 1

• 2, 3, 4, 1, 5

Tags

NGSS.MS-LS1-3

What provides toughness to the dermis and holds water in this skin layer?

• melanocytes

• Merkel cells

• collagen fibers

• epidermis dendritic cells

• elastic fibers

The "tanning" effect (darkening of the skin) that occurs when a person is exposed to the sun is due to the increased presence of

• keratin

• melanin

• epidermis dendritic cells

• oil

• sweat

Tags

NGSS.MS-LS1-5

Which layer of the epidermis is composed of flattened, dead, keratin-filled cells?

• stratum granulosum

• stratum corneum

• stratum spinosum

• stratum lucidum

• stratum basale

What is the common skin tone of individuals who produce a lot of melanin? ___

What epidermal layer is affected when a scrape affects the most superficial epidermal layer? ___