NR 283 Practice Questions (A+ graded solutions available)

Which of the following is the most common cause of cellular injury? A. Hypoxia B. Chemical injury from drugs C. Free radical-induced injury D. Chemical injury from pollutants correct answers A. Hypoxia Which type of necrosis best describes death of a cell from hypoxia, generally as a result of ischemia in the lower extremities? A. Fat B. Coagulative C. Liquefactive D. Gangrenous correct answers D. Gangrenous Which statement is TRUE with regard to cellular change due to aging? A. The cellular changes are reversible. B. DNA becomes less susceptible to injurious stimuli. C. The cellular changes proceed slowly and in small increments. D. Lipid, calcium, and plasma proteins are less likely to be deposited in vessel walls. correct answers C. The cellular changes proceed slowly and in small increments. Which term best describes an allele with an observable effect? A. Carrier B. Dominant C. Recessive D. Homozygous correct answers B. Dominant Infusion of ______________ intravenous solutions promotes movement of water into cells, thus making the cells swell. A. Isotonic B. Hypertonic C. Hypotonic correct answers B. Hypertonic Which electrolyte is the main intracellular electrolyte? A. Potassium B. Sodium C. Calcium D. Magnesium correct answers A. Potassium