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Multiple Choice
The lamina propria is composed of which type of tissue?
A
Dense regular connective tissue
B
Smooth muscle tissue
C
Loose connective tissue
D
Stratified squamous epithelium
Verified step by step guidance
1
Understand the structure and function of the lamina propria: It is a layer of connective tissue found beneath the epithelium in mucous membranes, such as those lining the respiratory, digestive, and urinary tracts.
Review the types of connective tissue: Connective tissues are categorized into loose connective tissue, dense connective tissue, and specialized connective tissues. Loose connective tissue is characterized by fewer fibers and more ground substance, making it flexible and supportive.
Compare the options provided: Dense regular connective tissue is composed of tightly packed collagen fibers arranged in parallel, designed for strength in one direction (e.g., tendons). Smooth muscle tissue is not connective tissue; it is a type of muscle tissue responsible for involuntary movements. Stratified squamous epithelium is a type of epithelial tissue, not connective tissue.
Identify the correct tissue type: Loose connective tissue is the correct answer because it provides support, flexibility, and a medium for nutrient and waste exchange in the lamina propria.
Conclude the reasoning: The lamina propria is composed of loose connective tissue, which is essential for its role in supporting the epithelium and housing immune cells, blood vessels, and nerves.