Walden University NURS 6501 Final Exam – Question and Answers (Correct Answers).

An aide asks the nurse why people who have neurofibromatosis will show varying degrees of the disease. Which genetic principle should the nurse explain to the aide? Selected Answer: b. Expressivity Correct Answer: b. Expressivity Question 2 1 out of 1 points Why is potassium able to diffuse easily in and out of cells? Selected Answer: c. Because the resting plasma membrane is more permeable to potassium Correct Answer: c. Because the resting plasma membrane is more permeable to potassium Question 3 1 out of 1 points A 15-year-old female is diagnosed with Prader-Willi syndrome. This condition is an example of: Selected Answer: a. Gene imprinting Correct Answer: a. Gene imprinting Question 4 1 out of 1 points A nurse is reading a chart and sees the term oncotic pressure. The nurse recalls that oncotic pressure (colloid osmotic pressure) is determined by: Selected Answer: b. Plasma proteins Correct Answer: b. Downloaded by Martin Hussein () lOMoARcPSD| Plasma proteins Question 5 1 out of 1 points During childhood, the thymus decreases in size, and this is referred to as _____ atrophy. Selected Answer: a. Physiologic Correct Answer: a. Physiologic Question 6 1 out of 1 points What is the role of cytokines in cell reproduction? Selected Answer: a. Provide growth factor for tissue growth and development Correct Answer: a. Provide growth factor for tissue growth and development Question 7 1 out of 1 points When a patient asks what causes cystic fibrosis, how should the nurse respond? Cystic fibrosis is caused by an _____ gene. Selected Answer: d. Autosomal recessive Correct Answer: d. Autosomal recessive Question 8 1 out of 1 points A patient has a heart attack that leads to progressive cell injury that causes cell death with severe cell swelling and breakdown of organelles. What term would the nurse use to define this process? Selected Answer: d. Necrosis Correct Answer: d. Necrosis