Epithelial tissue
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Questions and Answers

What is the primary function of epithelial tissue?

  • To secrete hormones
  • To provide sensation
  • To generate electricity
  • To provide protection and support (correct)

Which of the following is NOT a characteristic of epithelial tissue?

  • Avascular
  • Composed of polarized cells
  • Capable of producing electrical signals (correct)
  • Supported by connective tissue

What type of epithelial tissue is composed of flat, elongated cells with a round to oval nucleus?

  • Pseudostratified epithelium
  • Columnar epithelium
  • Simple squamous epithelium (correct)
  • Cuboidal epithelium

Which of the following is NOT a function of epithelial tissue?

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

Which surface of an epithelial cell is in contact with the basement membrane?

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

Which of the following is a function of the epithelial tissue lining the respiratory system?

<p>Cleaning the air passages (D)</p> Signup and view all the answers

Which type of epithelium is found lining the alveolar walls in the lungs?

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

Which of the following is a characteristic of pseudostratified epithelium?

<p>Composed of a single layer of irregularly shaped and sized cells (C)</p> Signup and view all the answers

Which type of epithelium lines the urinary passages?

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

What is the primary function of cilia in the upper respiratory tract?

<p>To provide a cleansing activity (A)</p> Signup and view all the answers

Which type of squamous epithelium has a cornified (keratinized) surface?

<p>Keratinized stratified squamous epithelium (A)</p> Signup and view all the answers

What is the primary function of the endothelium lining blood vessels and lymphatic vessels?

<p>To facilitate the movement of substances across the vessel wall (D)</p> Signup and view all the answers

What is the primary function of the specialized plasma membrane in the superficial cells of the urinary bladder?

<p>To act as an osmotic barrier between the urine and tissue fluids (A)</p> Signup and view all the answers

Which type of epithelium is MOST commonly used for exfoliative cytology?

<p>Stratified squamous keratinized epithelium (C)</p> Signup and view all the answers

Where are the stem cells located in a stratified squamous keratinized epithelium?

<p>In the stratum basale (A)</p> Signup and view all the answers

What is the primary function of exfoliative cytology?

<p>To screen for epithelial lesions or neoplasia (D)</p> Signup and view all the answers

Which characteristic of a glandular epithelium is used to classify it?

<p>All of the above (D)</p> Signup and view all the answers

Where are unicellular glands typically found?

<p>Both a and b (A)</p> Signup and view all the answers

What is the shape of goblet cells due to the presence of abundant mucinogen granules?

<p>Cup-shaped (B)</p> Signup and view all the answers

Which type of multicellular glands has pie-shaped secretory units with small lumen?

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

What is the term used for the collective of secretory units and ducts in a compound gland?

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

Which type of gland produces both mucus and serous secretion?

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

What is the oily secretion produced by sebaceous glands known as?

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

What type of product does a serous gland mainly secrete?

<p>Watery product with enzymes (A)</p> Signup and view all the answers

Which of the following is NOT a function of epithelial tissues?

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

Which specialized epithelial tissue conveys sensations from areas like the skin, ears, and tongue?

<p>Sensory Epithelial Tissue (A)</p> Signup and view all the answers

What is the primary purpose of the basement membrane in relation to epithelial cells?

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

Which tissue type lines the entire circulatory system to reduce friction between blood and vessel walls?

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

What characteristic distinguishes epithelial cells due to their arrangement of surfaces?

<p>Polarization with apical, lateral, and basal surfaces (B)</p> Signup and view all the answers

What is the main function of ciliated respiratory epithelium in the respiratory system?

<p>Removal of dust particles/foreign bodies (B)</p> Signup and view all the answers

What is the primary function of the specialized plasma membrane in the superficial cells of the urinary bladder?

<p>To provide an osmotic barrier between urine and tissue fluids (D)</p> Signup and view all the answers

Where are the stem cells located in a stratified squamous keratinized epithelium?

<p>In the stratum basale (B)</p> Signup and view all the answers

Which type of epithelium is MOST commonly used for exfoliative cytology?

<p>Stratified squamous keratinized epithelium (B)</p> Signup and view all the answers

What is the primary function of exfoliative cytology?

<p>To screen for lesions or neoplasia (D)</p> Signup and view all the answers

Which type of gland produces both mucus and serous secretion?

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

Which characteristic of a glandular epithelium is used to classify it?

<p>All of the above (D)</p> Signup and view all the answers

What is the term for the collective of secretory units and ducts in a compound gland?

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

Which type of gland produces oily secretion known as sebum?

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

What is the primary characteristic of acinar glands?

<p>Pie-shaped secretory units with small lumen (A)</p> Signup and view all the answers

Which glandular epithelium type mainly secretes a slick, viscous secretion?

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

What is the shape of goblet cells primarily due to?

<p>Abundant mucinogen granules (D)</p> Signup and view all the answers

What is the term used to describe the division of large glands into lobes?

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

What is the characteristic shape and location of the nucleus in simple columnar epithelium?

<p>Ovoid nucleus located near the base of the cell (D)</p> Signup and view all the answers

Which of the following epithelial tissues is composed of a single layer of irregularly shaped and sized cells where not all cells reach the apical surface?

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

Which epithelial tissue lines the urinary passages and has the ability to stretch and accommodate varying volumes?

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

Which type of epithelial tissue is found lining the luminal surface of the stomach, small and large intestine, and gall bladder?

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

Which epithelial tissue is composed of several layers of cells, with the superficial cells determining the name based on their squamous shape?

<p>Stratified squamous epithelium (A)</p> Signup and view all the answers

Which type of epithelial tissue is found lining the nasal cavity and upper respiratory tract, and can be ciliated (motile)?

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