Neoplasia - correct answer Uncontrolled growth of genetically altered
cells hitherto not present in a tissue
Neoplasm - correct answer A swelling caused by new growth
Cancer - correct answer Abnormal growth and differentiation and
invasion of cells
Angiogenesis - correct answer Growth of new vessels to provide
nutrients for tumors
1. Grow slowly
2. Well-defined capsule
3. Not invasive, remain localized
4. Well-differentiated
5. Small nucleus, low mitotic index
6. Do not metasize
7. Non fatal - correct answer Characteristics of a benign tumor
1. Grow rapidly
2. Not encapsulated
3. Do not remain localized, invade surrounding tissue
, 4. Poorly differentiated cells
5. Large nucleus, high mitotic index
6. Can spread distantly (metastasize)
7. Invasive
8. Death possible - correct answer Characteristics of a malignant
tumor
Heredity, obesity, hormones - correct answer What are the 3
components of a host?
HIV, AIDS, immunosupprent drugs - correct answer What does the
immune system include?
Carcinogens, radiation, lifestyle - correct answer What does the
environment include?
HPV, Hep C, Epstein-Barr virus - correct answer What do the
microorganisms include?
Initiation - correct answer A carcinogenic agent causes DNA
alteration/ damage in cells, DNA is not repaired. Leads to typically 4-5
mutations
Promotion - correct answer Mutated cells are promoted for growth
and become more numerous