NURS 3220 Study Guide - Final Guide: Isoniazid, Neuropharmacology, Point Mutation
Document Summary
Diseases in which abnormal cells divide without control and are able to invade other tissues. Tumor: also referred to as a neoplasm new growth. Benign tumors: named according to the tissues from which they arise and include the suffix -oma . Malignant tumors: named according to the tissues from which they arise. Carcinoma in situ (cis: preinvasive epithelial malignant tumors of glandular or epithelial origin that have not broken through the basement membrane or invaded the surrounding stroma. Which of the following statements is true: all neoplasms are cancerous, benign growths are cancerous, malignant tumors have slow growth, cancer refers to a malignant tumor. Multiple mutations are required before cancer can develop. Clonal proliferation or expansion: as a result of a mutation, a cell acquires characteristics that allow it to have selective advantage over its neighbors. Transformation of normal cells: decreased need for growth factors to multiply, lack contact inhibition.
