NSG 5003 Final week 10 questions well answered

NSG 5003 Final week 10Understanding the various steps of proteolytic cascades, such as caspase-mediated apoptosis and complement cascades, may be useful in designing drug therapy for which human diseases? - correct answer Autoimmune and malignant disorders Why is it possible for potassium to diffuse easily into and out of cells? - correct answer The resting plasma membrane is more permeable to potassium The loss of the adenosine triphosphate (ATP) during ischemia causes cells to - correct answer swell because of the influx of sodium chloride Free radicals play a major role in the initiation and progression of which diseases - correct answer Cardiovascular diseases such as hypertension and ischemic heart disease Free Radicals cause cell damage by: - correct answer Giving up an electron, which causes injury to the chemical bonds of the cell membrane What is a consequence of plasma membrane damage to the mitochondria? - correct answer Influx of calcium ions halts ATP production. What is a consequence of leakage of lysosomal enzymes during chemical injury? - correct answer Enzymatic digestion of the nucleus and nucleolus occurs, halting DNA synthesis. Which statement is a description of the characteristics of apoptosis? - correct answer Programmed cell death of scattered, single cells During cell injury caused by hypoxia, an increase in the osmotic pressure occurs within the cell because - correct answer Sodium chloride enters the cell What physiologic change occurs during heat exhaustion? - correct answer Hemoconcentration occurs because of the loss of salt and water.