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NURS 401- EXAM 3 Questions And Answers Latest Update
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NURS 401- EXAM 3 Questions And Answers Latest Update
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NURS 401- EXAM 3 Questions AndAnswers Latest Update
Obj. 1 Answer: Hypertrophy - growth that causes tissue to increase in size
by enlarging each cell.
Hyperplasia - growth that causes tissue to increase in size by increasing the
number of cells.
Neoplasia - any new or continued cell growth not needed for normal
development or replacement of dead and damaged tissues.
Benign Tumor Cells Answer: (Looks like parent, small nucleus, tightly
encapsulated)
-Continuous or inappropriate cell growth
Specific morphology
-Small nuclear-to-cytoplasm ratio
Specific differentiated functions
-Tight adherence
No migration
Orderly growth
Normal chromosomes(23 pairs)
Malignant/ Cancer Cells Answer: (small roud & doesnt look like parent
cell, rapid cell growth, nucleus LARGE, non adherence (Wonders), migrates,
chromosome broken/aplopoid)
, -Rapid or continuous cell division
Anaplasia (lose characteristic of parent cells or normal self)
-Large nuclear-to-cytoplasmic ratio
Specific functions lost
-Loose adherence
-Migration
No contact inhibition
-Abnormal chromosomes (aneuploidy)
lost (<23), gained (>23), or broken
Obj 2. Identify cancer types for which primary prevention is possible Answer:
involves avoiding exposure to known causes of cancer (tobacco, asbestos,
eating healthy choices, inc fiber, high sex partners, remove moles suspicious,
sunscreen, taking vitamin D)... secondary is early detection
Obj. 3 Compare the cancer development processes of initiation and promotion.
Answer: Initiation - Step 1 in carcinogenesis. Exposure to carcinogen
which penetrates cell, damage DNA, and change or mutate the cell.
Irreversible, but only leads to cancer if cell division is not impaired.
Promotion - enhancement of growth of initiated cell. Normal hormones and
body proteins, like insulin and estrogen, can cause altered cells to divide more
frequently. Shortens the latency period. (KNOW-shortened latency)
(Initation penetration cell & damaging DNA= mutating cell. Promotion-
growth of damaged/intiated cell. cause altertered cells to decide for frequently)
Cancer Development..
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