A & P Flashcards
What is the primary function of the integumentary system?
To protect the body from external damage, regulate temperature, and provide sensory information.
True or False: The integumentary system consists only of the skin.
False
What are the main components of the integumentary system?
Skin, hair, nails, sweat glands, and sebaceous glands.
Fill in the blank: The outermost layer of the skin is called the ______.
epidermis
What is the role of melanocytes in the skin?
To produce melanin, which gives skin its color and protects against UV radiation.
Which layer of the skin contains blood vessels and nerve endings?
The dermis
True or False: The hypodermis is a part of the skin.
False
What is the function of sweat glands?
To regulate body temperature through the secretion of sweat.
Which type of hair is fine and unpigmented?
Vellus hair
What is the primary purpose of sebaceous glands?
To secrete sebum, which lubricates and waterproofs the skin.
Fill in the blank: The skin has a natural barrier that prevents water loss, known as the ______ barrier.
stratum corneum
What type of skin cancer is most commonly associated with UV exposure?
Melanoma
Multiple choice: Which layer of skin contains collagen and elastin fibers? A) Epidermis B) Dermis C) Hypodermis
B) Dermis
What is keratinization?
The process by which skin cells become filled with keratin and move to the surface.
True or False: Nails are composed of living cells.
False
What is the term for the oil produced by sebaceous glands?
Sebum
Fill in the blank: The ______ is the deepest layer of the skin.
hypodermis
What is the primary function of hair?
To provide protection, regulate temperature, and facilitate sensation.
Multiple choice: Which of the following is NOT a function of the integumentary system? A) Protection B) Sensation C) Digestion
C) Digestion
What is the role of the arrector pili muscle?
To cause hair to stand upright in response to cold or fear.
What does the term ‘cutaneous’ refer to?
Relating to the skin.
True or False: The integumentary system can help in the synthesis of vitamin D.
True
What type of cells are responsible for the sense of touch in the skin?
Merkel cells
Fill in the blank: The ______ layer contains fat and connective tissue, providing insulation.
hypodermis
What is the main function of the stratum corneum?
To provide a barrier to protect underlying tissues.
Multiple choice: Which skin type is characterized by an absence of oil? A) Oily B) Dry C) Combination
B) Dry
What is the term for excessive sweating?
Hyperhidrosis
True or False: The skin can absorb medications.
True
What is the primary purpose of the dermal papillae?
To increase the surface area for exchange of oxygen, nutrients, and waste products.
Fill in the blank: The ______ is the part of the hair below the skin surface.
hair follicle
What is the medical term for a mole?
Nevus
Multiple choice: Which vitamin is synthesized by the skin? A) Vitamin A B) Vitamin C C) Vitamin D
C) Vitamin D
What is the role of Langerhans cells in the skin?
To act as immune cells that help protect against pathogens.
True or False: Eccrine glands are found all over the body.
True
What is the primary component of hair?
Keratin
Fill in the blank: The ______ is responsible for the coloration of hair.
melanin
What is the function of the pacinian corpuscle?
To detect deep pressure and vibration.
Multiple choice: Which layer of the epidermis is responsible for cell division? A) Stratum corneum B) Stratum basale C) Stratum granulosum
B) Stratum basale
What is the term for the inflammation of the skin?
Dermatitis
True or False: The integumentary system is involved in thermoregulation.
True
What are the two types of sweat glands?
Eccrine and apocrine glands.
Fill in the blank: The ______ is a protective layer that covers the nails.
cuticle
What is the role of the subcutaneous layer?
To provide insulation and shock absorption.
Multiple choice: Which of the following is a function of nails? A) Protection B) Sensation C) Temperature regulation
A) Protection
What is the primary cause of acne?
Clogged hair follicles and excess sebum production.
True or False: Skin color is determined only by genetics.
False
What is the function of the stratum granulosum?
To begin the process of keratinization.
Fill in the blank: The ______ is the layer of skin where most of the skin’s functions occur.
dermis
What type of tissue primarily makes up the epidermis?
Epithelial tissue
