Synovial Membranes and Serous Membranes Quiz
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Questions and Answers

Which type of muscle tissue is characterized by being multinucleate, long cylindrical cells with peripheral nuclei, striated, and voluntary?

  • Smooth Muscle
  • Skeletal Muscle (correct)
  • Cardiac Muscle
  • None of the above

In which phase of deep wound healing does granulation tissue form and fibroblasts secrete collagen fibers to fill the gap?

  • Maturation phase
  • Inflammatory phase
  • Regeneration phase
  • Organization phase (correct)

Which cell type in the epidermis is responsible for producing the pigment melanin?

  • Keratinocytes
  • Langerhans' cells
  • Melanocytes (correct)
  • Merkel cells

What is the function of smooth muscle tissue in the body?

<p>Constricts or narrows lumens of blood vessels (D)</p> Signup and view all the answers

Which layer of the skin is composed of epithelial cells and serves as the outermost layer?

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

What is the function of Cardiac Muscle in the body?

<p>Propels blood from heart to tissues (B)</p> Signup and view all the answers

Which part of nervous tissue transmits electrical signals from sensory receptors to effectors in the body?

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

What is a characteristic feature of smooth muscle cells?

<p>Centrally located nucleus (C)</p> Signup and view all the answers

Which phase of tissue repair involves scab formation, migration of epithelial cells beneath it, and fibroblasts secreting collagen fibers?

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

What cells are responsible for producing the fibrous protein keratin in the epidermis?

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

Which type of exocrine gland accumulates its product until the gland ruptures during secretion?

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

What do proteoglycans in the ground substance of connective tissue mainly consist of?

<p>Protein core attached to glycosaminoglycans (C)</p> Signup and view all the answers

Where are chondrocytes mainly found within the cartilage?

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

Which connective tissue type is primarily responsible for attaching muscles to bones and withstanding high stress?

<p>Dense regular connective tissue (A)</p> Signup and view all the answers

What is the main function of elastic cartilage in the body?

<p>Maintains shape with flexibility (D)</p> Signup and view all the answers

Which statement best describes the function of areolar connective tissue?

<p>Cushion organs and regulate immunity (A)</p> Signup and view all the answers

In which connective tissue type do fibroblasts play a crucial role in secreting matrix and fibers?

<p>Dense irregular connective tissue (A)</p> Signup and view all the answers

'Yellow fibers' in connective tissue are primarily composed of which protein?

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

What is a shared characteristic of merocrine and apocrine glands?

<p>Both types secrete product by exocytosis. (B)</p> Signup and view all the answers

What is the primary cell type found in dense irregular connective tissue?

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

Which layer of the epidermis is only found in thick skin?

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

What is the main function of the stratum granulosum in the epidermis?

<p>Contain waterproofing glycolipids (A)</p> Signup and view all the answers

Which layer of the dermis is composed of dense irregular connective tissue?

<p>Reticular layer (D)</p> Signup and view all the answers

What gives fair skin a pinkish color?

<p>Hemoglobin in dermal capillaries (C)</p> Signup and view all the answers

Which type of sweat glands are far more numerous in humans?

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

What is the main function of sebum secreted by sebaceous glands?

<p>Prevent water loss from skin (B)</p> Signup and view all the answers

Which skin appendage secretes cerumen (earwax) to deter insects and block foreign material?

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

What is the main role of melanin in the skin?

<p>Protect cell nucleus from UV light-induced mutations (A)</p> Signup and view all the answers

What is the primary component of sweat secreted by eccrine sweat glands?

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

What is the genetic basis for unique fingerprint patterns on palms and soles?

<p>Dermal ridges caused by areolar connective tissue (B)</p> Signup and view all the answers

Where are gap junctions found and what is their function?

<p>Between muscle cells to aid in communication (A)</p> Signup and view all the answers

In which type of epithelial tissue would you find cilia or microvilli, and what are their functions?

<p>Simple columnar - for absorption and secretion of mucus (C)</p> Signup and view all the answers

Where would you find stratified columnar epithelial tissue and what is its primary function?

<p>In the male urethra for protection (D)</p> Signup and view all the answers

What is the main characteristic that distinguishes stratified squamous epithelial tissue from other types of epithelial tissues mentioned?

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

Where would you expect to find pseudostratified columnar epithelial tissue and what differentiates it from simple columnar epithelial tissue?

<p>In the trachea with different heights of cells and nuclei at different levels (A)</p> Signup and view all the answers

Which type of epithelial tissue aids in stretching and distending urinary organs?

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

What distinguishes simple squamous epithelial tissue from other types of epithelial tissues in terms of cell shape?

<p>Flattened cells (D)</p> Signup and view all the answers

Which type of glandular epithelial tissue releases products into ducts?

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

What is the function of sebum from the sebaceous glands?

<p>helps prevent skin and hair from drying out (C)</p> Signup and view all the answers

What is the function of endocrine glands?

<p>Release products into the bloodstream (B)</p> Signup and view all the answers

What is the main function of Langerhans cells in the epidermis?

<p>Protect against infection (D)</p> Signup and view all the answers

What does avascular but innervated mean in relation to epithelial tissues?

<p>Lack of blood supply but presence of nerves (A)</p> Signup and view all the answers

Which of the following is NOT a function of the skin?

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

What is the primary purpose of the arrector pili muscle associated with hair follicles?

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

Which skin layer is responsible for producing new hair growth?

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

What is the visible portion of the nail known as?

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

What skin modification releases lipids that help protect against water loss and microbial invasion.

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

Which skin layer contains melanocytes that produce color for hair?

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

What is the primary cause of alopecia?

<p>Aging and hormonal changes (A)</p> Signup and view all the answers

Which skin condition is characterized by destruction of the epidermis and part of the dermis?

<p>Second-degree burn (A)</p> Signup and view all the answers

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