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Multiple Choice
Which membrane lines the body cavities that are not open to the outside of the body?
A
Cutaneous membrane
B
Serous membrane
C
Mucous membrane
D
Synovial membrane
Verified step by step guidance
1
Understand the function of each type of membrane: Cutaneous membranes cover the body surface, mucous membranes line body cavities open to the exterior, synovial membranes line joint cavities, and serous membranes line body cavities that are not open to the outside.
Identify the key characteristic of the body cavities in the question: they are not open to the outside of the body.
Recall that serous membranes are specialized to line closed body cavities and produce serous fluid to reduce friction between organs.
Differentiate between the membranes based on their location and function: Cutaneous membranes are external, mucous membranes are associated with openings, synovial membranes are found in joints, and serous membranes are internal and closed.
Conclude that the serous membrane is the correct type of membrane that lines body cavities not open to the outside, based on its function and location.