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BLD 204 EXAM 4 QUESTIONS WITH COMPLETE ANSWERS..

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BLD 204 EXAM 4 QUESTIONS WITH COMPLETE ANSWERS

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What is cachexia?


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Weight loss and wasting




BCL-2 FAMILY sensors -> BAX-BAK -> Caspase Cascade =


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Apoptosis




Hallmarks of cancer

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1. self-sufficiency in growth signals
2. insensitivity to antigrowth signals
3. evasion of apoptosis
4. limitless replicative potential
5. sustained angiogenesis
6. tissue invasion and metastasis




Lymphatic spread


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Tumor cells travel through lymphatic vessels to nearby lymph nodes and
beyond




What are the three major DNA repair systems


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- Mismatch pair
- Nucleotide excision repair
- Recombination repair




How does cancer cause anemia?


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, Chronic blood loss or bone marrow involvement.




What causes cachexia?


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Anorexia, malabsorption, and tumor-derived factors.




Dysplasia


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cell changes indicative of malignancy but no invasion present yet; warning
sign; common in epithelial tissues




Benign tumor names


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tissue source + -oma




What organs are common sites of metastasis


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, - Liver
- Bone
- Brain




Hypertrophy


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increase in cell size




Neoplastic changes


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...dont respond to normal stimuli




Main routes of metastasis


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- Lymphatic
- Bloodstream




Anaplasia


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