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Exam (elaborations)

Nu 327 Pathophysiology Exam 1 Questions And Answers |2026 Update

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NU 327 PATHOPHYSIOLOGY EXAM 1 QUESTIONS AND ANSWERS |2026 UPDATE

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Epidemiology of Cancer


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25% of all deaths
2nd leading cause of death
carcinogens
proto-oncogenes
tumor suppressor gene




Hypothalmus


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, Alarm phase

Initiates the fight or flight response
Signals sympathetic nervous system (adrenal medulla)




Chromosomes


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Store the genetic information created by DNA and RNA.
Arranged in pairs (one from Mom and one from Dad) in every cell.
Have specific structure
23 pairs
22 pairs are autosomes
1 pair is the sex chromosome




Metastasis


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Moves to a distant site




Chronic Lymphoid Leukemias (CLL)


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, Usually due to malignant b-cell precursor that invades lymphoid tissue &
bone marrow ⇒ prolonged apoptosis

Usually die with disease. Onset 60-70 years old




Phenylketonuria (PKU)


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Lack an enzyme that degrades phenylalanine to a non toxic form.

Causes slow onset of mental retardation, microcephaly, delayed speech.


All babies have a blood test before hospital discharge to check for the
enzyme.

Those lacking the enzyme need dietary (avoid protein, artificial sweeteners,
diary) modifications.




Staging cancer


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location and pattern of spread




Normal range of WBC


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