Advanced Pathophysiology Quiz 1-Nurs 6501 Walden University with questions and highlighted accurate answers available

Advanced Pathophysiology Quiz 1-Nurs 6501 Walden University A runner has depleted all the oxygen available for muscle energy. Which of the following will facilitate his continued muscle performance? - ANSAnswer: Anaerobic glycolysis What causes the rapid change in the resting membrane potential that initiates an action potential? - ANSAnswer: Sodium gates open, and sodium rushes into the cell, changing the membrane potential from negative to positive. A 12-year-old male is diagnosed with Klinefelter syndrome. His karyotype would reveal which of the following? - ANSAnswer: XXY A nurse is reviewing the pedigree chart. When checking for a proband, what is the nurse looking for? - ANSAnswer: The person who is first diagnosed with a genetic disease 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? - ANSAnswer: Expressivity In teaching a patient with cirrhosis, which information should the nurse include regarding cholesterol? - ANSAnswer: 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: - ANSAnswer: Gene imprinting When a patient asks what causes cystic fibrosis, how should the nurse respond? Cystic fibrosis is caused by an _____ gene - ANSAnswer: Autosomal recessive How are potassium and sodium transported across plasma membranes? - ANSAnswer: By adenosine triphosphate enzyme (ATPase) The nurse would be correct in identifying the predominant extracellular cation as: - ANSAnswer: Sodium The early dilation (swelling) of the cell's endoplasmic reticulum results in: - ANSAnswer: Reduced protein synthesis