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Advanced Pathophysiology Quiz 1-Nurs 6501
Walden University |Questions and answers with
100% correct solutions | A+ Grade 2025 - 2026
A runner has depleted all the oxygen available for muscle energy. Which of the following will facilitate his continued muscle performance? ✔✔Answer: Anaerobic glycolysis
What causes the rapid change in the resting membrane potential that initiates an action potential? ✔✔Answer: 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? ✔✔Answer: XXY
A nurse is reviewing the pedigree chart. When checking for a proband, what is the nurse looking for? ✔✔Answer: 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? ✔✔Answer: Expressivity
In teaching a patient with cirrhosis, which information should the nurse include regarding cholesterol? ✔✔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: ✔✔Answer: Gene imprinting
When a patient asks what causes cystic fibrosis, how should the nurse respond? Cystic fibrosis is caused by an gene ✔✔Answer: Autosomal recessive
How are potassium and sodium transported across plasma membranes? ✔✔Answer: By adenosine triphosphate enzyme (ATPase)
The nurse would be correct in identifying the predominant extracellular cation as: ✔✔Answer: Sodium
The early dilation (swelling) of the cell's endoplasmic reticulum results in: ✔✔Answer: Reduced protein synthesis
What principle should the nurse remember when trying to distinguish aging from diseases? ✔✔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. ✔✔Answer: Turner syndrome
A eukaryotic cell is undergoing DNA replication. In which region of the cell would most of the genetic information be contained? ✔✔Answer: Nucleolus
A patient has severe mental retardation caused by a deletion of part of chromosome 5. What genetic disorder will the nurse see documented in the chart? ✔✔Answer: Cri du chat syndrome
A 20-year-old pregnant female gives birth to a stillborn child. Autopsy reveals that the fetus has 92 chromosomes. What term may be on the autopsy report to describe this condition? ✔✔Answer: Tetraploidy
Why is potassium able to diffuse easily in and out of cells? ✔✔Answer: Because the resting plasma membrane is more permeable to potassium
