NURS 231 Pathophys Final Exam Questions with 100% Correct Answers

A bodybuilder's muscles will display hyperplasia. Correct Answer False Barrett esophagus is an example of dysplasia Correct Answer false hypertrophy is an increase in the size of an organ or tissue caused by an increase in the number of cells Correct Answer True Lack of nerve stimulation can cause cells to atrophy Correct Answer True proportion of people with a disease who are positive for the disease Correct Answer sensitivity how likely the same result will occur if repeated Correct Answer reliability how a tool measures what it is intended to measure Correct Answer validity people without the disease who are negative on a given test Correct Answer specificity Which is NOT true of the cytoskeleton? Correct Answer it includes peroxisomes and proteasomes Which of the following are true of the cell? Select all that apply. Correct Answer 1: Proteins carry out the functions of the cell membrane 2:Lysosomes are the digestive system of the cell 3:Microfilaments are thin, threadlike cytoplasmic structures Which are true of the cell membrane? Select all that apply. Correct Answer 1: Controls the transport of materials from the outside fluids to within 2:Helps with the conduction of electrical currents in nerve and muscle cells 3: Aids in the regulation of cell growth and proliferation Which are false of the mitochondria? Select all that apply. Correct Answer 1: They are found far from the site of energy consumption. 2:They control free radicals. High blood pressure is an example of which of the following? Correct Answer pathophysiology A patient complains of chest pain and an elevated blood pressure. What are these examples of? Correct Answer signs and symptoms Which of the following is true of a test's sensitivity? Correct Answer If negative, it can safely be assumed that the person does not have a disease Chemical agents (poison, alcohol) are examples of which of the following? Correct Answer Etiologic factors Define tertiary prevention and give an example: Correct Answer Tertiary prevention occurs after a disease has been diagnosed and clinical intervention is needed to reduce complications or deterioration. One example is the use of certain medications one must take after a heart attack to help reduce the risk of a future event or death. Compare and contrast the two types of gangrenous necrosis. Correct Answer In dry gangrene the affected tissue becomes dry and shrinks, the skin wrinkles, and its color changes to dark brown or black. The spread of dry gangrene is slow. It results from a cut off in arterial blood supply and is a form of coagulation necrosis. In wet gangrene, the affected area is cold, swollen, and pulseless. The skin is moist, black, and under tension. Blebs form on the surface, liquefaction occurs, and a foul odor is caused by bacterial action. The spread of tissue damage is rapid. Explain what necrosis is and give an example and description of one type of necrosis. Correct Answer necrosis is cell death to an organ or tissue with still being apart of a living person. An example of this would be luiquefactive necrosis. this is when the cells die and the catalytic enzymes do not get destroyed after the cells death. This could cause necrosis sunburn Correct Answer radiation injury obesity Correct Answer nutritional imbalances reactive oxygen species Correct Answer free radical injury low oxygen to tissues Correct Answer hypoxic cell injury fractures Correct Answer physical agents OTC drugs Correct Answer Chemical injury hypothermia Correct Answer physical agents radiation treatment Correct Answer radiation injury lead toxicity Correct Answer chemical injury