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NUR-280 Final Exam Review(latest update) questions n answers

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NUR-280 Final Exam Review(latest update) questions n answers

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NUR-280 Final Exam Review(latest
update) questions n answers

What happens in the ribosomes? - correct answer ✔✔Protein synthesis



What happens in the mitochondria? - correct answer ✔✔Energy is released that the cell needs to do
work



Aerobic: Oxygen

Anaerobic: No oxygen



What cells have the most amount of mitochondria? - correct answer ✔✔Muscle cells



The more cellular activity you have... - correct answer ✔✔The more mitochondria you have



What is the mitochondria subject to damage and mutation by? - correct answer ✔✔Free radicals



Metaplasia - correct answer ✔✔Replacement of one cell by another (GERD)



Dysplasia - correct answer ✔✔Abnormal cell growth within a specific kind of tissue; common in chronic
inflammation. Could mean pre-cancer



Hyperplasia - correct answer ✔✔Increased number of cells



Neoplasia - correct answer ✔✔New cell growth (benign or malignant)



Benign vs. Malignant - correct answer ✔✔-Benign: Grow in wrong place but won't be weird looking or in
wrong spots, normal nuclei

,-Malignant: Wrong spot, misshapen, abnormal



Atrophy - correct answer ✔✔Shrinkage in cell size



Hypertrophy - correct answer ✔✔Increased size of cells



How do cells die? - correct answer ✔✔-Apoptosis: Automatic/planned cell death

-Necrosis: Die because they got killed too soon. Cellular injury that leads to death. Like ischemia

-Gangrene: Bacteria that shows up after cell death



How can ischemia and infarction contribute to cell death? - correct answer ✔✔-Ischemia: Due to lack of
oxygen to blood supply

-Infarction: Due to tissue damage



Oncogenes - correct answer ✔✔Cancer causing cells - BAD



Tumor Supressor Genes - correct answer ✔✔Suppress tumor growth if activated - GOOD



Proto-Oncogene - correct answer ✔✔Normal genes that control cell proliferation (increase in cell
number, growth). Mutation of proto-oncogenes leads to activated oncogenes (which can be inherited or
acquired) and leading to uncontrolled cellular growth, resulting in cancerous growth



Acquired Oncogene vs. Inherited Oncogene - correct answer ✔✔-Acquired: Acquired from something
like HPV; often through viral insertion

-Inherited: Born with them from your mom and dad



What is important to remember about oncogenes? - correct answer ✔✔You can "be born with it" or
"you can get it from somewhere else". and that inherited you start with the proto-oncogene and
acquired you get it already activated.



Huntington's Disease - correct answer ✔✔A genetic defect

, Symptoms of Huntington's Disease - correct answer ✔✔Increased involuntary movement, chorea
(dance-like, uncontrolled), weakness, difficulty swallowing or chewing (risk for aspiration), speech issues,
falling, fever, severe depression, suicidal ideation



Starts with alteration in mood, then chorea, then worsens



Diagnostic Testing for Huntington's - correct answer ✔✔Genetic Testing, CT and MRI to rule out other
causes



Treatment for Huntington's - correct answer ✔✔Carbidopa-Levodopa



Can also get anticonvulsants if necessary



Supportive care, genetic counseling, monitor safety



Selye's Stress Response Theory - correct answer ✔✔-Alarm: Fight or flight, SNS is activated

-Resistance: Happens when you overcome the stressor. Where you calm down

-Exhaustion: Skip over resistance and can't go on, overwhelming, depleted resources and coping - at risk
for INFECTION!



What is important to remember about Selye's Stress Response Theory? - correct answer ✔✔-Alarm
stage comes first

-Resistance happens when the stressor is removed or when you learn to cope with it

-Exhaustion happens when you can't get out of the stress - and then bad things happen to our bodies
such as infection, exhaustion, stress, depleted resources, systemic dysfunction, rundown, depressed,
anxious, physically ill



What are some of the harmful effects of immobility? - correct answer ✔✔Atelectasis

Bone demineralization

Muscle deconditioning

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