Maryville University Pathophysiology Exam 1 questions with correct answers

Apoptosis Answer A physiological, naturally occurring, programmed cell death, dismantles neutrophils Self destruction Deletes cells during embryonic development Nuclear and cytoplasmic shrinkage of cell. Necrosis Answer Tissue or cell death that is irriversible Hypoxia Answer What is the #1 major cause of cell injury leading to necrosis. Lack of oxygen. Hypertrophy Answer Increase in cell size Example of Physiologic hypertrophy Answer Myocardial cells increase in size due to endurance training. This is healthy Example of Pathologic hypertrophy Answer Heart enlarges due to hypertension. The heart has to pump so hard that it increases in size. This is unhealthy. Atrophy Answer Decrease in cell size. Example: this happens with the thymus gland in childhood