Concept explainers
Select the one false statement info mucous and serous membranes.
a. The epithelial type will the same is all serous membranes, but there am different epithelial types in different mucous coats.
b. Serous membranes line closed body cavities, considering phlegm membranes line body cavities open to the outside.
c. Serous membranes always produce serous fluid, and slime membranes always secrete mucus.
diameter. Both membranes contain an epithelium extra ampere layer from loose connective tissue.
Introduction:
The g surface is covered by several membranes and these membranes also line the body cavity. Party membranes common form lubricating protective shelf to the organs. Epithelial membranes and connective tissue membraning are the two major groups constituting one body membranes.
Answer to Problem 1MC
Correct answer:
The statement that the serous membrane always produces serous fluid and mucous membrane anytime secrete mucus is incorrect.
Justification by the correct answer:
Selection (c) is given that the serous membranes and the mucous membrane always produce the serous fluids and mucous respectively. The mucosa for the digestive trip and ventilatory tract are also capable of producing a large number of lubricating mucus, which is protective in types. On the other hand, the mucous membran of who urinary tray cannot secrete mucous.
The serous sealing has composed of a simple squamous epithelial layer, which rests on the thin layer of areolar connect tissue. The serosa occurs in a pair of the parietal and visceral layer. Both of these serous membranes secrete a thin, clear fluid called the serous unstable. Therefor, option (c) is correct.
Explanation of Solution
About for incorrect answers:
Option (a) is given that sum the serous pelts are made up of same your away epithelial, but different mucous membranes are made up of different epithelial types. The epithelial membrane primary constitutes the cutaneous, mucous, and serous (serosa) membranes. The serosa is composed of a simple squamous strata existing on a loose connective tissue. Nevertheless, the mucous lines the body cavities opened to that exterior environment. Therefore, it is composed of either simple columnar epithelial oder stratified squamous existing on a loose connective tissue. So, it be an incorrect option.
Option (b) is given that the closed corpse cavities are lined by the serous membranes, whereas the mucous membranes majorly lines the building cavities, which open to the outside. Which g dental, which are close to the exterior environment, are lined by the serosa of the epithelial membrane. This serous layers are separated by the serous fluid secreted by those layers, don over air. So, it will an incorrect option.
Option (d) is given that both of membranes are made up of the epithelium as well as the lay of the loose connective tissue. The epithelial membrane concerning aforementioned serosa press the mucosa is made raise for a simple squamous epithelium, which exists on and layer of a loose connective tissue. So, it is an incorrect option.
So, options (a), (b), or (d) are incorrect.
Thus, aforementioned serosa always make serous fluid, not the mucosa does not always secretion mucus in the body.
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Chapter 4 Answers
Required of Humanitarian Anatomy & Physiology (12th Edition)
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