1. What is a benign neoplasm originating from adipose tissue called? a. Adenoma b. Lipoma c. Fibrosarcoma d. Adenocarcinoma
b.
Lipoma
2. What are malignant neoplasms arising from connective tissue cells called? a. Carcinomas b. Sarcomas c. Melanomas d. Fibromas
b.
Sarcomas
3. Which of the following is a characteristic of a benign tumor? a. It is unencapsulated and invasive. b. It consists of undifferentiated cells. c. It exerts systemic effects. d. Cells appear relatively normal.
d.
Cells appear relatively normal.
4. Which factor provides the basis for the grading of newly diagnosed malignant tumors? a. Size of the tumor b. Number of metastases c. Degree of differentiation of the cells d. Number of lymph nodes involved
c.
Degree of differentiation of the cells
c.
sudden development of fever, nausea, and diarrhea.
b.
1, 3
a.
The effects of substances such as hormones secreted by the tumor cells
8. Which term refers to the spread of malignant cells through blood and lymph to distant sites? a. Invasiveness b. Seeding c. Metastasis d. Systemic effect
c.
Metastasis
d.
determine the best treatment and prognosis.
10. The process of carcinogenesis usually begins with: a. exposure to promoters causing dysplasia. b. development of defective genes. c. an irreversible change in the cell DNA. d. a single exposure to a known risk factor causing temporary cell damage.
c.
an irreversible change in the cell DNA.
b.
Gamma rays delivered by a cobalt machine
12. Radiation therapy destroys: a. all cells in the tumor at one time. b. the cells in the center of the tumor. c. primarily rapidly dividing cells. d. radioresistant cells.
c.
primarily rapidly dividing cells.
13. The most critical adverse effects of chemotherapy and radiation therapy are: a. thrombocytopenia and leucopenia. b. headache and lethargy. c. nausea and constipation. d. alopecia and weight loss.
a.
thrombocytopenia and leucopenia.
a.
1, 3
b.
Specific signs rarely appear until after secondary tumors have developed.
a.
colon cancer: carcinoembryonic antigen (CEA)
c.
reducing blood flow and nutrient supply to tumor cells.
d.
the patient is at high risk for infection.
19. Malignant brain tumors: a. metastasize quickly to all parts of the body. b. spread first to lungs and bone. c. spread to other parts of CNS. d. do not metastasize anywhere at any time.
c.
spread to other parts of CNS.
20. Identify the common dose-limiting factor for chemotherapy: a. Alopecia b. Bone marrow depression c. Nausea and vomiting d. Weight loss
b.
Bone marrow depression
d.
inflammation around the tumor may be reduced.
22. Vomiting frequently follows a chemotherapy treatment because: a. the gastrointestinal tract is irritated. b. the chemicals stimulate the emetic center. c. the drugs have an unpleasant odor. d. A and B
d.
A and B
23. What type of normal cells are often damaged during chemotherapy and radiation treatments? a. Epithelial cells b. Skeletal muscle cells c. Nerve tissue d. Collagen and fibrous tissue
a.
Epithelial cells
24. Remission for cancer is generally defined as a period in which: a. chemotherapy cannot be used. b. signs and symptoms are absent. c. complications are evident. d. metastases occur.
b.
signs and symptoms are absent.