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Multiple Choice
The highlighted structure is lined by what type of epithelium?
A
Transitional epithelium
B
Pseudostratified columnar epithelium
C
Stratified cuboidal epithelium
D
Simple squamous epithelium
Verified step by step guidance
1
Step 1: Understand the function and location of the highlighted structure. Simple squamous epithelium is typically found in areas where rapid diffusion or filtration occurs, such as the alveoli of the lungs, the lining of blood vessels (endothelium), and the serous membranes (mesothelium).
Step 2: Review the characteristics of simple squamous epithelium. It consists of a single layer of flat, thin cells that allow for efficient exchange of gases, nutrients, and waste products.
Step 3: Compare the characteristics of the other epithelial types listed in the options. Transitional epithelium is specialized for stretching and is found in the urinary bladder. Pseudostratified columnar epithelium appears layered but is not, and is commonly found in the respiratory tract. Stratified cuboidal epithelium is composed of multiple layers of cube-shaped cells and is found in glandular ducts.
Step 4: Match the function and location of the highlighted structure to the appropriate epithelial type. If the structure is involved in diffusion or filtration, simple squamous epithelium is the most likely answer.
Step 5: Confirm your answer by considering the anatomical context of the highlighted structure and its role in the body. This ensures the correct epithelial type is identified based on its function and location.