Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Chapter 3, Problem 30RQ
Summary Introduction
To determine: The property of epithelial tissues due to which it is vulnerable to develop cancer.
Introduction: Epithelial tissues provide protection to the internal environment of the body part it covers. It also regulates the exchange of substances as well as synthesis and secretion of certain chemicals. These tissues can be divided on the basis of the function they perform or according to their structure.
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Which of the following statements about carcinomas, which are tumors derived from epithelial cells, is FALSE?
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Epithelial cells line the outer surfaces (skin) of the body.
Epithelial cells overexpress signaling pathways that drive the cell cycle forward.
Epithelial cells come into frequent contact with cancer-causing substances from the environment.
Epithelial cells are continually turned over and thus continue to divide.
In adults, over 90% of all cancers are either adenomas or carcinomas. In fact, cancers of the skin, lung, colon, breast, and prostate are all in these categories. Which one of the four basic tissue types gives rise to most cancers? Why might this type of tissue be so susceptible to cancer?
In adults, over 90% of all cancers are either adenomas (adenocarcinomas) or carcinomas. In fact, cancers of the skin, lung, colon, breast, and prostate all fall in these categories. Which one of the four basic tissue types gives rise to most cancers? Why might this type of tissue be so susceptible to cancer?
Chapter 3 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 3.2 - Name three types of lipids found in cell...Ch. 3.2 - Describe three types of membrane proteins and how...Ch. 3.2 - Why do phospholipids in cell membranes form a...Ch. 3.2 - How many phospholipid bilayers will a substance...Ch. 3.3 - Name the three sizes of cytoplasmic protein...Ch. 3.3 - How would the absence of a flagellum affect a...Ch. 3.3 - Prob. 7CCCh. 3.3 - Prob. 8CCCh. 3.3 - What is the function of motor proteins?Ch. 3.3 - What distinguishes organelles from inclusions?
Ch. 3.3 - Prob. 11CCCh. 3.3 - Prob. 12CCCh. 3.3 - Prob. 13CCCh. 3.3 - Prob. 14CCCh. 3.3 - Examining tissue from a previously unknown species...Ch. 3.4 - Prob. 16CCCh. 3.4 - Prob. 17CCCh. 3.4 - Prob. 18CCCh. 3.4 - Prob. 19CCCh. 3.4 - Name two properties that distinguish endocrine...Ch. 3.4 - The basal lamina of epithelium contains the...Ch. 3.4 - You look at a tissue under a microscope and see a...Ch. 3.4 - Prob. 23CCCh. 3.4 - What is the distinguishing characteristic of...Ch. 3.4 - Prob. 25CCCh. 3.4 - Name six types of connective tissues.Ch. 3.4 - Prob. 27CCCh. 3.4 - Why does torn cartilage heal more slowly than a...Ch. 3.5 - Prob. 29CCCh. 3 - Prob. 1RQCh. 3 - In 1972, Singer and Nicolson proposed the fluid...Ch. 3 - Prob. 3RQCh. 3 - Prob. 4RQCh. 3 - Define cytoskeleton. List five functions of the...Ch. 3 - Match each term with the description that fits it...Ch. 3 - Prob. 7RQCh. 3 - Match each organelle with its function:Ch. 3 - Prob. 9RQCh. 3 - Prob. 10RQCh. 3 - List the four major tissue types. Give an example...Ch. 3 - Prob. 12RQCh. 3 - Prob. 13RQCh. 3 - Prob. 14RQCh. 3 - Prob. 15RQCh. 3 - Prob. 16RQCh. 3 - Which would have more rough endoplasmic reticulum:...Ch. 3 - A number of organelles can be considered vesicles....Ch. 3 - Prob. 19RQCh. 3 - Prob. 20RQCh. 3 - Prob. 21RQCh. 3 - Prob. 22RQCh. 3 - Explain how inserting cholesterol into the...Ch. 3 - Prob. 24RQCh. 3 - Prob. 25RQCh. 3 - Prob. 26RQCh. 3 - Prob. 27RQCh. 3 - Prob. 28RQCh. 3 - One result of cigarette smoking is paralysis of...Ch. 3 - Prob. 30RQCh. 3 - Prob. 31RQ
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- Cell specializations are usually a modification or elaboration of one of the basic cell functions. (True or fa1se?)arrow_forwardCancer cells can be characterized as "generic"cells that perform no specialized body function. This cancer cells lack________?arrow_forwardthere is a type of epithelial tissue called pseudostratified. Why?arrow_forward
- When you study tissues, you will learn a type of epithelium that is “pseudocolumnar.” Now that you know the meaning of “pseudo- “, why do you think the tissue is called “pseudoolumnar”?arrow_forwardIn the lungs of smokers, a process called metaplasia occurs in which the normal lining cells of the lung are replaced by squamous metaplastic cells (many layers of squamous epithelial cells). Functionally, why is this an undesirable body reaction to tobacco smoke? HINT Your answer should mention the structure and function of the normal lining cells of the lung.arrow_forwardA tissue contains irregularly shaped cells with many projections, including some several centimeters long. These are probably which type of cell?arrow_forward
- Cancer cells can be characterized as generic cells that perform no specialized body functionarrow_forwardTons of different cells make up connective tissues. Those that are considered immature have the suffix _________, and those that are considered mature have the suffix ___________ in their names.arrow_forwardThree patients in an intensive care unit have sustained damage and widespread tissue death in three different organs. One patient has brain damage from a stroke, another had a heart attack that destroyed cardiac muscle, and the third injured much of her liver (a gland) in a crushing car accident. All three patients have stabilized and will survive, but only one will gain full functional recovery through tissue regeneration. Which one, and why?arrow_forward
- Stem cells, being stem cells, are by definition thesame in all tissues.Explain why or why not.arrow_forwardJohn Doe presented to his doctor with an abnormal mole on the left side of his face. Under the suspicion that the mole may be cancerous the doctor removed the tissue and sent it off to the lab. Approximately one week later John received a phone call from his doctor stating that the mole was diagnosed as being cancerous but it appears that non of the surrounding tissue was affected. Jonn's doctor also stated that the prognosis was good due to the fact that it had not appeared to have spread. Which of the following describe what John's doctor meant by the word prognosis? O likelihood of disability O chance of recurrence O time expected to recover O a prediction of the outcomearrow_forwardOne way to distinguish between epithelium and connective tissue under the microscope is that connective tissue is more densely cellular than epithelium. True or Falsearrow_forward
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