Integumentary System Structure

Which statement best summarizes the primary functions of the integumentary system?

• Protects the body, regulates temperature, and provides sensory information

• Produces blood cells, stores minerals, and enables voluntary movement

• Filters metabolic wastes, maintains blood pH, and synthesizes bile

• Conducts electrical impulses, secretes hormones, and contracts to generate heat

Which list correctly identifies the three layers of the integument along with the predominant tissue found in each?

• Epidermis (epithelial), dermis (connective), hypodermis (adipose)

• Epidermis (connective), dermis (epithelial), hypodermis (nervous)

• Epidermis (muscle), dermis (epithelial), hypodermis (cartilage)

• Epidermis (adipose), dermis (nervous), hypodermis (connective)

Which specialized cell types are found in the epidermis according to the material?

• Keratinocytes, melanocytes, Langerhans cells

• Fibroblasts, adipocytes, mast cells

• Osteocytes, chondrocytes, osteoclasts

• Neurons, Schwann cells, oligodendrocytes

Tags

NGSS.HS-LS1-4

Which sequence lists the epidermal layers from superficial to deep as described?

• Stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum basale

• Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum

• Stratum spinosum, stratum basale, stratum granulosum, stratum corneum, stratum lucidum

• Stratum lucidum, stratum corneum, stratum basale, stratum spinosum, stratum granulosum

Where is thick skin found, and how does it differ from thin skin?

• It is on palms and soles and has a thicker epidermis

• It is on the scalp and has more hair follicles

• It is on the trunk and has a thinner dermis

• It is on the face and contains fewer melanocytes

Which description best characterizes the reticular layer of the dermis?

• Deeper layer composed of dense irregular connective tissue providing strength and elasticity

• Superficial layer composed of loose connective tissue with many capillaries and sensory receptors

• Adipose-rich layer that insulates and anchors skin to underlying structures

• Epithelial layer responsible for keratin production

Which description best characterizes the papillary layer of the dermis?

• Upper layer composed of loose connective tissue containing blood vessels and sensory receptors

• Deeper layer composed of dense irregular connective tissue that resists stretching

• Layer of stratified squamous epithelium that produces keratin

• Subcutaneous layer composed primarily of adipose tissue

Which pigments are listed as determinants of skin color in the material?

• Melanin, carotene, hemoglobin

• Melatonin, carotenoid, bilirubin

• Myoglobin, chlorophyll, carotene

• Keratin, elastin, collagen

According to the material, which factors can change skin color?

• Sun exposure, blood flow, and hormonal changes

• Dietary sodium, sleep duration, and physical activity

• Ambient temperature, altitude, and hydration status

• Genetic drift, meiosis, and mutation rate

Which cell type in the epidermis is directly associated with pigment production listed among the pigments of skin color?

• Melanocytes

• Keratinocytes

• Langerhans cells

• Fibroblasts