1. Which type of epithelial tissue is primarily found in areas of high abrasion and friction? A. Simple squamous B. Stratified squamous C. Simple cuboidal D. Pseudostratified columnar Answer: B. Stratified squamous Rationale: Stratified squamous epithelium is designed to protect underlying tissues in areas of high abrasion. 2. What is the primary function of simple columnar epithelium? A. Secretion and absorption B. Filtration C. Protection D. Gas exchange Answer: A. Secretion and absorption Rationale: Simple columnar epithelium lines organs like the digestive tract where secretion and absorption are key functions. 3. Which characteristic is unique to transitional epithelium? A. Ability to stretch B. Presence of cilia C. Single layer of cells D. Keratinization Answer: A. Ability to stretch Rationale: Transitional epithelium lines organs such as the bladder, allowing them to expand and contract. 4. Goblet cells are most commonly found in which type of epithelium? A. Stratified squamous B. Simple squamous C. Simple columnar D. Transitional Answer: C. Simple columnar Rationale: Goblet cells, which secrete mucus, are found within the simple columnar epithelium lining the digestive and respiratory tracts.