Integumentary System Functions and Structure
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Questions and Answers

What is the function of melanin pigments in the human body?

  • Determines skin, hair, and eye color (correct)
  • Regulates body temperature
  • Helps in excretion
  • Provides structural strength to the skin

What is the process called when cells change shape and chemical composition to become filled with keratin?

  • Melanization
  • Mitosis
  • Keratinization (correct)
  • Desquamation

What is the name of the layer of skin where mitosis occurs?

  • Epidermis
  • Stratum corneum
  • Dermis
  • Stratum basale (correct)

What is the function of dermal papillae?

<p>Supplies the epidermis with nutrients and removes waste products (A)</p> Signup and view all the answers

What is the name of the connective tissue found in the dermis?

<p>Dense collagenous connective tissue (D)</p> Signup and view all the answers

What is the name of the layer of skin that is most resistant to stretch along the cleavage lines?

<p>Dermis (C)</p> Signup and view all the answers

What is the main function of the subcutaneous tissue?

<p>To attach the skin to underlying bones (B)</p> Signup and view all the answers

What is the term for the bluish skin color caused by decreased blood oxygen?

<p>Cyanosis (C)</p> Signup and view all the answers

What is the site of hair cell formation?

<p>Hair bulb (D)</p> Signup and view all the answers

What is the function of the arrector pili muscles?

<p>To contract and make hair stand on end (C)</p> Signup and view all the answers

What is the pigment responsible for the yellow color in plants?

<p>Carotene (B)</p> Signup and view all the answers

What is the term for the congenital disorder of the capillaries in the dermis?

<p>Birthmarks (A)</p> Signup and view all the answers

What type of secretion do sebaceous glands use to release sebum?

<p>Holocrine secretion (C)</p> Signup and view all the answers

Which type of sweat glands are found in the palms and soles?

<p>Eccrine sweat glands (A)</p> Signup and view all the answers

What is the primary function of hair on the human head?

<p>To act as an insulator (D)</p> Signup and view all the answers

What is the function of sebum released by sebaceous glands?

<p>To lubricate the hair and skin (A)</p> Signup and view all the answers

What is the role of eyebrows in the human body?

<p>To protect the eyes from foreign objects (C)</p> Signup and view all the answers

What is the visible part of the nail?

<p>Nail body (A)</p> Signup and view all the answers

What is the function of sweat glands in the human body?

<p>To remove excess water and salt from the body (B)</p> Signup and view all the answers

What type of keratin is found in nails?

<p>A type of hard keratin (C)</p> Signup and view all the answers

What is the primary source of vitamin D in the human body?

<p>Fatty fish (C)</p> Signup and view all the answers

What is the function of ceruminous glands?

<p>To produce cerumen (earwax) (C)</p> Signup and view all the answers

What is the normal body temperature of a healthy human being?

<p>37 degrees Celsius (C)</p> Signup and view all the answers

What is the primary mechanism of heat loss from the human body?

<p>Radiation (A)</p> Signup and view all the answers

What is the primary origin of malignant melanoma?

<p>Melanocytes (A)</p> Signup and view all the answers

What happens to the amount of collagen in the dermis as we age?

<p>It decreases (D)</p> Signup and view all the answers

What is a common characteristic of skin that is exposed to sunlight?

<p>It shows signs of aging more rapidly (B)</p> Signup and view all the answers

What is the result of decreased sebaceous gland activity?

<p>Skin becomes drier (D)</p> Signup and view all the answers

What is the term for the areas where melanocyte numbers increase with age?

<p>Age spots (A)</p> Signup and view all the answers

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