NURS 6501FINAL EXAM LATEST QUESTION AND ANSWERS (CORRECT ANSWERS)

Genetic Principle - Expressivity: Question: Why do people with neurofibromatosis show varying degrees of the disease? Answer: The nurse should explain the concept of expressivity, which describes how the severity of a genetic condition can vary among individuals with the same genotype. Potassium Diffusion in Cells: Question: Why is potassium able to diffuse easily in and out of cells? Answer: Potassium diffuses easily because the resting plasma membrane is more permeable to potassium compared to other ions. Prader-Willi Syndrome - Gene Imprinting: Question: Prader-Willi syndrome in a 15-year-old female is an example of what genetic phenomenon? Answer: This condition is an example of gene imprinting, where certain genes are expressed in a parent-specific manner. Oncotic Pressure (Colloid Osmotic Pressure): Question: What determines oncotic pressure in the blood? Answer: Oncotic pressure is primarily determined by plasma proteins, which help maintain fluid balance across cell membranes.