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Multiple Choice
Which type of epithelial membrane lines the closed ventral cavities of the body?
A
Synovial membrane
B
Cutaneous membrane
C
Mucous membrane
D
Serous membrane
Verified step by step guidance
1
Step 1: Understand the concept of epithelial membranes. Epithelial membranes are composed of epithelial tissue and an underlying layer of connective tissue. They serve various functions, including protection, secretion, and absorption.
Step 2: Review the types of epithelial membranes. There are three main types: mucous membranes, serous membranes, and cutaneous membranes. Additionally, synovial membranes are not epithelial membranes but are connective tissue membranes.
Step 3: Focus on the serous membrane. Serous membranes line closed cavities of the body, such as the thoracic and abdominal cavities. They consist of two layers: the parietal layer (lining the cavity wall) and the visceral layer (covering the organs). These membranes secrete serous fluid to reduce friction between organs.
Step 4: Compare the other options. Mucous membranes line cavities that open to the exterior, such as the respiratory and digestive tracts. Cutaneous membranes refer to the skin, which covers the external surface of the body. Synovial membranes are found in joint cavities and produce synovial fluid for lubrication.
Step 5: Conclude that the correct answer is the serous membrane, as it specifically lines closed ventral cavities of the body, distinguishing it from the other types of membranes.