NURS 6054 Quiz 1 / NURS 6054N Quiz 1, Verified Correct Answers, Walden University

NURS 6054 Quiz 1 ¢ Question 1 0 out of O points When completing this quiz, did you comply with Walden University’s Code of Conduct including the expectations for academic integrity? Selected & Answer: Ye s Correct & Answer: Ye s ¢ Question 2 1 out of 1 points 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 Sb. Answer: Expressivity Correct Sb. Answer: Expressivity ¢ Question 3 1 out of 1 points The nurse is teaching staff about the most common cause of Down syndrome. What is the nurse describing? Selected Ge. Answer: Maternal nondisjunction Correct Ge. Answer: Maternal nondisjunction * Question 4 1 out of 1 points What is the role of cytokines in cell reproduction? Selected Ga. Answer: Provide growth factor for tissue growth and development Correct Ga. Answer: Provide growth factor for tissue growth and development ¢ Question 5 1 out of 1 points During childhood, the thymus decreases in size, and this is referred to as atrophy. Selected Sa. Answer: Physiologic Correct Sa. Answer: Physiologic « Question 6 1 out of 1 points Why is potassium able to diffuse easily in and out of cells? Selected Answer: Correct Answer: Question 7 Gc. Because the resting plasma membrane is more permeable to potassium Ge. Because the resting plasma membrane is more permeable to potassium 1 out of 1 points A cell is isolated, and electrophysiology studies reveal that the resting membrane potential is —70 millivolts. The predominant intracellular ion is Na+, and the predominant extracellular ion is K *. With voltage change, which of the following would result in an Selected Answer: Correct Answer: Question 8 action potential? Sb.