Integumentary System Quiz

Which of the following is NOT a function of the integumentary system?

• Regulating body temperature

• Protecting internal organs

• Producing blood cells

• Converting vitamin D to its active form

Which type of cells in the epidermis are responsible for producing keratin?

• Melanocytes

• Intraepidermal macrophages

• Keratinocytes

• Tactile epithelial cells

Which layer of the epidermis contains actively dividing stem cells?

• Stratum corneum

• Stratum spinosum

• Stratum basale

• Stratum granulosum

Which pigment protects skin from UV radiation?

• Hemoglobin

• Carotene

• Keratin

• Melanin

What type of skin covers the palms of the hands and soles of the feet?

• Thin skin

• Thick skin

• Subcutaneous skin

• Hairy skin

What is the role of lamellar granules in keratinocytes?

• Producing melanin

• Releasing a water-repellent sealant

• Synthesizing vitamin D

• Facilitating cell division

Which of the following is a component of the dermis?

• Adipose tissue

• Hair follicles

• Keratinocytes

• Stratum corneum

Which structure is responsible for the sensation of touch in the skin?

• Sebaceous glands

• Sweat glands

• Meissner's corpuscles

• Arrector pili muscles

What is the primary function of melanocytes in the skin?

• Producing keratin

• Synthesizing collagen

• Producing melanin

• Generating sweat

Which layer of the skin is primarily responsible for thermoregulation?

• Epidermis

• Dermis

• Hypodermis

• Stratum lucidum