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NURS 231 Final Exam; Questions & Answers/ 190.5 out of 200 ; Portage Learning

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PORTAGE LEARNING NURS 231 Final Exam Score for this quiz: 190.5 out of 200 Question 1 2.5 / 2.5 pts True/False: Metaplastic cells are not better prepared to survive under stressful circumstances. True... Correct ! False Question 2 2.5 / 2.5 pts True/False: Hypertrophy can occur under normal and pathological conditions. Correct! True False Question 3 2.5 / 2.5 pts Multiple Choice Which are true of the mitochondria? Select all that apply. Correct! It is involved in cellular respiration They are found far from the site of energy consumption Correct! They play a role in apoptosis They control free radicals Question 4 2.5 / 2.5 pts Which are true of the cell membrane? Select all that apply. Correct! Controls the transport of materials from the outside fluids to within The main structural component is made of proteins Correct! Helps with the conduction of electrical currents in nerve and muscle cells Correct! Aids in the regulation of cell growth and proliferation Question 5 10 / 10 pts Compare and contrast the two types of gangrenous necrosis. Your Answer: Dry gangrene occurs when blood supply is slowly reduced to an area. The area is dehydrated andbecomes dark or black in color. Commonly seen in patients with diabetes. It is not very painful, but tissues eventually die. Wet gangrene is casued with a sudden reduction in blood flow. The area is cold and swollen, withno pulse. This can occur from trauma. Bacteria is involved and is very painful. It has the appearance of pus, becasue it looks wet. There is also a foul smell. 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 acut 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. Question 6 2.5 / 2.5 pts True/False: Cell proliferation is the process in which proliferating cells become more specialized cell types. True Correct! False False, cell differentiation [Show More]

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