Integumentary Flashcards
What is the primary function of the integumentary system?
To protect the body from external damage and pathogens.
True or False: The integumentary system includes only the skin.
False
Name the three main layers of the skin.
Epidermis, dermis, and hypodermis.
What type of cells primarily make up the epidermis?
Keratinocytes.
Fill in the blank: The _____ is the outermost layer of the skin.
Epidermis
What is the main protein found in the skin that provides strength and waterproofing?
Keratin.
Which skin layer contains blood vessels and nerves?
Dermis.
What is the function of melanocytes in the skin?
To produce melanin, which gives skin its color.
True or False: The hypodermis is primarily composed of connective tissue and fat.
True
What are the two main types of sweat glands?
Eccrine and apocrine glands.
What is the role of sebaceous glands?
To secrete sebum, which lubricates the skin and hair.
Which part of the integumentary system is responsible for hair growth?
Hair follicles.
Fill in the blank: The _____ is the pigment responsible for skin color.
Melanin
What type of skin cancer is the most common?
Basal cell carcinoma.
True or False: The integumentary system helps in thermoregulation.
True
What is the primary function of nails?
To protect the tips of fingers and toes.
What is the process by which the skin sheds dead cells?
Desquamation.
Fill in the blank: The _____ layer of the skin contains collagen and elastin fibers.
Dermis
What are the sensory receptors in the skin responsible for detecting touch?
Mechanoreceptors.
Name one function of the integumentary system related to immunity.
It acts as a barrier to pathogens.
What vitamin is synthesized in the skin upon exposure to sunlight?
Vitamin D.
True or False: The integumentary system plays no role in sensory perception.
False
What condition is characterized by the loss of skin color due to the destruction of melanocytes?
Vitiligo.
Fill in the blank: The _____ is the part of the hair that is visible above the skin.
Hair shaft
