NURS 6501 EXAM WITH QUESTIONS AND WELL VERIFIED ANSWERS [GRADED A+] ACTUAL EXAM 100%

NURS 6501 EXAM WITH QUESTIONS AND WELL VERIFIED ANSWERS [GRADED A+] ACTUAL EXAM 100% A runner has depleted all the oxygen available for muscle energy. Which of the following will facilitate his continued muscle performance? - ANS---Answer: Anaerobic glycolysis A 12-year-old male is diagnosed with Klinefelter syndrome. His karyotype would reveal which of the following? - ANS---Answer: XXY A nurse is reviewing the pedigree chart. When checking for a proband, what is the nurse looking for? - ANS---Answer: The person who is first diagnosed with a genetic disease What causes the rapid change in the resting membrane potential that initiates an action potential? - ANS---Answer: Sodium gates open, and sodium rushes into the cell, changing the membrane potential from negative to positive. 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? - ANS-- -Answer: Expressivity In teaching a patient with cirrhosis, which information should the nurse include regarding cholesterol? - ANS---Answer: Cholesterol decreases the membrane fluidity of the erythrocyte, which reduces its ability to carry oxygen. A 15-year-old female is diagnosed with Prader-Willi syndrome. This condition is an example of: - ANS---Answer: Gene imprinting When a patient asks what causes cystic fibrosis, how should the nurse respond? Cystic fibrosis is caused by an _____ gene - ANS---Answer: Autosomal recessive How are potassium and sodium transported across plasma membranes? - ANS--- Answer: By adenosine triphosphate enzyme (ATPase) The nurse would be correct in identifying the predominant extracellular cation as: - ANS---Answer: Sodium The early dilation (swelling) of the cell's endoplasmic reticulum results in: - ANS--- Answer: Reduced protein synthesis What principle should the nurse remember when trying to distinguish aging from diseases? - ANS---Answer: It is difficult to tell the difference because both processes are believed to result from cell injury. What is the diagnosis of a 13-year-old female who has a karyotype that reveals an absent homologous X chromosome with only a single X chromosome present? Her features include a short stature, widely spaced nipples, reduced carrying angle at the elbow, and sparse body hair. - ANS---Answer: Turner syndrome A eukaryotic cell is undergoing DNA replication. In which region of the cell would most of the genetic information be contained? - ANS---Answer: Nucleolus The nurse is teaching staff about the most common cause of Down syndrome. What is the nurse describing? - ANS---Answer: Maternal nondisjunction A 50-year-old male was recently diagnosed with Huntington disease. Transmission of this disease is associated with: - ANS---Answer: Delayed age of onset A patient wants to know the risk factors for Down syndrome. What is the nurse's best response? - ANS---Answer: Pregnancy in wo