NURS 611 TEST 1 PATHO TEST QUESTIONS WITH ANSWERS

Test 1 Patho Apoptosis- A programmed death Example: Inflammatory process Necrosis-Irreversible injury Examples: Mr. Bax r/t arteriosclerosis *Hypoxia #1 cellular injury (MI) and the most common cause of cellular injury is hypoxic injury Atrophy: Physiologic: thymus gland atrophy (childhood) Hypertrophy: (increase in size of cell) Another cellular adaptation that can actually be beneficial is hypertrophy of myocardial cells such as in endurance training – this is referred to as physiologic hypertrophy. Versus Pathologic hypertrophy that occurs secondary to HTN. Hyperplasia: (increase in # of cells) Compensatory: removal of 70% of liver – can regenerate in about 2 weeks. Pathological: endometrial hyperplasia Hyperplasia is cellular adaptation would take place after a portion of the liver has been dissected. Metaplasia: (replacement of cells) normal columnar ciliated epithelial cells of the bronchial lining have been replaced by stratified squamous epithelial cells. Can be reversed if irritant stopped. Dysplasia – not adaptive