Essentials Of Pathophysiology Concepts of Altered States 4th Edition By Porth
Essentials Of Pathophysiology Concepts of Altered States 4th Edition By Porth
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Chapter 7- Neoplasia
Complete Chapter Questions With Answers
Sample Questions Are Posted Below
| 1. | Following routine colonoscopy screening, a client is told that he had several polyps removed. The client began crying stating, “I just can’t deal with cancer. I’m too young.” The nurse responds: | |
| A) | “Don’t worry. We have some great cancer doctors on staff. I’m sure chemo will help you fight it.” | |
| B) | “Maybe if you’re lucky, they have stopped it from metastasizing to your liver.” | |
| C) | “A simple intestinal surgery will cure you.” | |
| D) | “Most colon polyps are not cancerous. The biopsy results will direct your care.” | |
| Ans: | D | |
| Feedback: | ||
| A polyp is a growth that projects from a mucosal surface, such as the intestine. Although the term usually implies a benign neoplasm, some malignant tumors also appear as polyps. Adenomatous polyps are considered precursors to adenocarcinomas of the colon. | ||
| 2. | A lung biopsy and magnetic resonance imaging have confirmed the presence of a benign lung tumor in a client. Which of the following characteristics is associated with this client’s neoplasm? | |
| A) | The tumor will grow by expansion and is likely encapsulated. | |
| B) | The cells that constitute the tumor are undifferentiated, with atypical structure. | |
| C) | If left untreated, the client’s tumor is likely to metastasize. | |
| D) | The tumor is likely to infiltrate the lung tissue that presently surrounds it. | |
| Ans: | A | |
| Feedback: | ||
| Benign neoplasms typically grow by expansion rather than invasion. As well, they are usually contained within a fibrous capsule. Malignant tumors are associated with undifferentiated cells, metastasis, and infiltration of surrounding tissue. | ||
| 3. | A newly diagnosed lung cancer client asks how his tumor spread (metastasized) so fast without displaying many signs/symptoms. The nurse responds that malignant tumors affect area tissues by: | |
| A) | Increasing tissue blood flow | |
| B) | Providing essential nutrients | |
| C) | Liberating enzymes and toxins | |
| D) | Forming fibrous membranes | |
| Ans: | C | |
| Feedback: | ||
| Malignant tumors affect area tissues by liberating enzymes and toxins that destroy tumor tissue and normal tissue. In addition, the malignant cells compress area vessels, causing ischemia and tissue necrosis. The high metabolic rate of tumor growth causes the tumor to deprive the normal tissues of essential nutrients. | ||
| 4. | A client had a positive Pap smear. The surgeon diagnosed “cancer in situ of the cervix.” The client asks, “What does this mean?” From the following statements, which is most appropriate in response to this question? The tumor has: | |
| A) | Been walled off within a strong fibrous capsule | |
| B) | Developed a distant infiltration | |
| C) | Not crossed the basement membrane, so it can be surgically removed with little chance of growing back | |
| D) | Grown undifferentiated cells that no longer look like the tissue from which it arose | |
| Ans: | C | |
| Feedback: | ||
| Cancer in situ is a localized preinvasive lesion. As an example, in breast ductal carcinoma, in situ the cells have not crossed the basement membrane. Depending on its location, an in situ lesion usually can be removed surgically or treated so that the chances of recurrence are small. For example, cancer in situ of the cervix is essentially 100% curable. | ||
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