48 Questions
What is the primary function of epithelial tissue?
To provide protection and support
Which of the following is NOT a characteristic of epithelial tissue?
Capable of producing electrical signals
What type of epithelial tissue is composed of flat, elongated cells with a round to oval nucleus?
Simple squamous epithelium
Which of the following is NOT a function of epithelial tissue?
Contraction
Which surface of an epithelial cell is in contact with the basement membrane?
Basal surface
Which of the following is a function of the epithelial tissue lining the respiratory system?
Cleaning the air passages
Which type of epithelium is found lining the alveolar walls in the lungs?
Mesothelium
Which of the following is a characteristic of pseudostratified epithelium?
Composed of a single layer of irregularly shaped and sized cells
Which type of epithelium lines the urinary passages?
Transitional epithelium (urothelium)
What is the primary function of cilia in the upper respiratory tract?
To provide a cleansing activity
Which type of squamous epithelium has a cornified (keratinized) surface?
Keratinized stratified squamous epithelium
What is the primary function of the endothelium lining blood vessels and lymphatic vessels?
To facilitate the movement of substances across the vessel wall
What is the primary function of the specialized plasma membrane in the superficial cells of the urinary bladder?
To act as an osmotic barrier between the urine and tissue fluids
Which type of epithelium is MOST commonly used for exfoliative cytology?
Stratified squamous keratinized epithelium
Where are the stem cells located in a stratified squamous keratinized epithelium?
In the stratum basale
What is the primary function of exfoliative cytology?
To screen for epithelial lesions or neoplasia
Which characteristic of a glandular epithelium is used to classify it?
All of the above
Where are unicellular glands typically found?
Both a and b
What is the shape of goblet cells due to the presence of abundant mucinogen granules?
Cup-shaped
Which type of multicellular glands has pie-shaped secretory units with small lumen?
Acinar
What is the term used for the collective of secretory units and ducts in a compound gland?
Parenchyma
Which type of gland produces both mucus and serous secretion?
Mixed
What is the oily secretion produced by sebaceous glands known as?
Sebum
What type of product does a serous gland mainly secrete?
Watery product with enzymes
Which of the following is NOT a function of epithelial tissues?
Support
Which specialized epithelial tissue conveys sensations from areas like the skin, ears, and tongue?
Sensory Epithelial Tissue
What is the primary purpose of the basement membrane in relation to epithelial cells?
Support and anchorage
Which tissue type lines the entire circulatory system to reduce friction between blood and vessel walls?
Epithelial Tissue
What characteristic distinguishes epithelial cells due to their arrangement of surfaces?
Polarization with apical, lateral, and basal surfaces
What is the main function of ciliated respiratory epithelium in the respiratory system?
Removal of dust particles/foreign bodies
What is the primary function of the specialized plasma membrane in the superficial cells of the urinary bladder?
To provide an osmotic barrier between urine and tissue fluids
Where are the stem cells located in a stratified squamous keratinized epithelium?
In the stratum basale
Which type of epithelium is MOST commonly used for exfoliative cytology?
Stratified squamous keratinized epithelium
What is the primary function of exfoliative cytology?
To screen for lesions or neoplasia
Which type of gland produces both mucus and serous secretion?
Mixed glands
Which characteristic of a glandular epithelium is used to classify it?
All of the above
What is the term for the collective of secretory units and ducts in a compound gland?
Parenchyma
Which type of gland produces oily secretion known as sebum?
Sebaceous gland
What is the primary characteristic of acinar glands?
Pie-shaped secretory units with small lumen
Which glandular epithelium type mainly secretes a slick, viscous secretion?
Mucous gland
What is the shape of goblet cells primarily due to?
Abundant mucinogen granules
What is the term used to describe the division of large glands into lobes?
Lobules
What is the characteristic shape and location of the nucleus in simple columnar epithelium?
Ovoid nucleus located near the base of the cell
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?
Pseudostratified epithelium
Which epithelial tissue lines the urinary passages and has the ability to stretch and accommodate varying volumes?
Transitional epithelium (urothelium)
Which type of epithelial tissue is found lining the luminal surface of the stomach, small and large intestine, and gall bladder?
Simple columnar epithelium
Which epithelial tissue is composed of several layers of cells, with the superficial cells determining the name based on their squamous shape?
Stratified squamous epithelium
Which type of epithelial tissue is found lining the nasal cavity and upper respiratory tract, and can be ciliated (motile)?
Pseudostratified epithelium
Test your knowledge on goblet cells and multicellular glands. Identify the characteristics of different types of multicellular glands including tubular, acinar, and alveolar glands.
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