NURS 6501 Final Exam – Question and Answers (Correct Answers) (Actual Exam 2024) Walden University

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 point s 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 point s 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 point s 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. Plasma proteins Question 5 1 out of 1 point s 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 point s 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 point s 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 point s 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 Question 9 1 out of 1 point s A eukaryotic cell is undergoing DNA replication. In which region of the cell would most of the genetic information be contained? Selected Answer: c. Nucleolus Correct Answer: c. Nucleolus Question 10 1 out of 1 point s A nurse is discussing the movement of fluid across the arterial end of capillary membranes into the interstitial fluid surrounding the capillary. Which process of fluid movement is the nurse describing? Selected Answer: a. Hydrostatic pressure Correct Answer: a. Hydrostatic pressure Question 11 1 out of 1 point s How are potassium and sodium transported across plasma membranes? Selected Answer: c. By adenosine triphosphate enzyme (ATPase) Correct Answer: c. By adenosine triphosphate enzyme (ATPase) Question 12 1 out of 1 point s The early dilation (swelling) of the cell’s endoplasmic reticulum results in: Selected Answer: c. Reduced protein synthesis Correct Answer: c. Reduced protein synthesis