An oncology nurse educator is providing health education to a patient who has been diagnosed with skin cancer. The patient's wife has asked about the differences between normal cells and cancer cells
What characteristic o
A) Malignant cells contain more fibronectin than normal body cells.
B) Malignant cells contain proteins called tumor-specific antigens.
C) Chromosomes contained in cancer cells are more durable and stable than those of normal cells.
D) The nuclei of cancer cells are unusually large, but regularly shaped.
Ans: B
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The cell membranes are altered in cancer cells, which affect fluid movement in and out of the cell. The cell membrane of malignant cells also contains proteins called tumor-specific antigens. Malignant cellular membranes also contain less fibronectin, a cellular cement. Typically, nuclei of cancer cells are large and irregularly shaped (pleomorphism). Fragility of chromosomes is commonly found when cancer cells are analyzed.
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