A nurse is educating a client who has a central nervous system (CNS) tumor. Which of the following information should the nurse include in the teaching?
Malignant brain tumors often originate from another part of the body.
Primary CNS tumors commonly spread to other parts of the body.
Most CNS tumors are spinal tumors.
Ependymomas are primarily brain tumors.
The Correct Answer is D
A. Malignant brain tumors often originate from another part of the body: While malignant brain tumors can spread from other body parts (metastatic tumors), primary brain tumors, such as gliomas or meningiomas, originate in the brain itself. Malignant brain tumors that metastasize to the brain are relatively less common.
B. Primary CNS tumors commonly spread to other parts of the body: Primary central nervous system (CNS) tumors generally do not spread to other parts of the body. Most CNS tumors are localized, and their spread is usually restricted to the surrounding neural tissue, not to distant organs.
C. Most CNS tumors are spinal tumors: Most central nervous system (CNS) tumors are actually brain tumors, not spinal tumors. Brain tumors are more common in adults, while spinal tumors are rarer in comparison.
D. Ependymomas are primarily brain tumors: Ependymomas are a type of tumor that originates from the ependymal cells in the central nervous system. While they can occur in both the brain and spinal cord, they are more frequently found in the brain, especially in the ventricles. Thus, ependymomas are primarily considered brain tumors.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. "Pancreatic cancer doesn't usually present as an adenocarcinoma.": Pancreatic cancer most commonly arises from the exocrine glands and is typically classified as an adenocarcinoma. It is the most frequent histological type found in pancreatic malignancies.
B. "Colorectal adenocarcinomas tend to have high treatment response rates.": Treatment response in colorectal adenocarcinoma depends heavily on the stage at diagnosis. While early-stage tumors may respond well, advanced stages often have lower responsiveness and poorer outcomes.
C. "Many brain tumors are adenocarcinomas.": Primary brain tumors are typically glial in origin, such as astrocytomas or glioblastomas. Adenocarcinomas rarely originate in the brain and are more often found in epithelial tissues like the lungs, colon, or prostate.
D. "Most prostate cancers are slow-growing adenocarcinomas.": Prostate cancer most often originates from glandular tissue and is classified as an adenocarcinoma. These tumors commonly progress slowly, especially in older adults, and may be monitored for years without requiring aggressive treatment.
Correct Answer is C
Explanation
A. Presence of Cullen's sign: Cullen's sign, characterized by bruising around the umbilicus, is more indicative of intraperitoneal bleeding, particularly related to conditions like pancreatitis or ruptured ectopic pregnancy, not an early sign of AAA.
B. Pain in the chest: While chest pain may occur in certain aneurysms, it is not typically associated with an abdominal aortic aneurysm (AAA), which is more likely to present with pain in the lower back or groin as the aneurysm expands.
C. Lower back or groin pain: Early manifestations of an AAA often include lower back or groin pain due to the proximity of the aorta to these areas. This pain results from the expansion or pressure on surrounding structures.
D. Hunger after eating: This is not associated with an AAA. Hunger after eating is a more general symptom and does not relate to the specific clinical presentation of an abdominal aortic aneurysm.
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