Ch 6- test 3

Question Answer
Define neoplasia the production of new growth
Define neoplasm an abnormal, continually growing mass of tissue whose growth exceeds and is uncoordinated with the tissue around it
Define Tumor used to mean swelling, now means swelling caused by neoplasm
Define oncology the study of and treatment of tumors
Define totipotential cells could become every other cell in body
pluripotential cells can become a few other cells in the body
differentiated cell specific, only that particular cell
permanent cell no ability to divide or differentiate
What are neoplasms of totipotential cells germ cells
What are the germ cell tumors called in males? Females? seminoma, dysgerminoma
Can teratomas become benign, malignant, or both both
T/F carcinomas are benign F, they are highly malignant
Where can you get teratomas? Either the ovaries or the testes
Tumors of pluritpotent cells develop generally at what age 5 YOA
What type of tumors are tumors of pluripotent cells tumors of the organ anlage cells, highly malignant
Name the type of tumors in each area: soft tissue, adrenal medulla rhabdomyosarcoma, neuroblastoma
What is the most important thing about naming tumors of differentiated cells the tissue of origin, either epithelial or mesodermal
Give examples of tumors of epithelial origin papilloma, polyp, adenoma, carcinoma
Give examples of tumors of mesodermal origin benign-oma, malignant-sarcoma
What are examples of tumors that are benign but sound malignant osteoblastoma, chondroblastoma
What are tumors that are malignant but sound benign lymphoma, glioma, melanoma, plasmacytoma
T/F all mesotheliomas are malignant T
T/F leukemias or lymphomas are only benign F all malignant

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