University Actual Questions with Verified Answers
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1. A runner has depleted all the oxygen available for muscle energy. Which of
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the following will facilitate his continued muscle performance?
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: Answer: Anaerobic glycolysis
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2. What causes the rapid change in the resting membrane potential that initi-
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ates an action potential?
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: Answer: Sodium gates open, and sodium rushes into the cell, changing the
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membrane potential from negative to positive.
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3. A 12-year-old male is diagnosed with Klinefelter syndrome. His karyotype
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would reveal which of the following?
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: Answer: XXY
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4. A nurse is reviewing the pedigree chart. When checking for a proband, what is
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thenurse lookingfor?
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:Answer:The person who is first diagnosed with a genetic disease
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5. An aide asks the nurse why people who have neurofibromatosis will show
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varying degrees of the disease.Which genetic principle should the nurse
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explain to the aide?
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: Answer: Expressivity
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:https://www.stuvia.com/user/Wisdoms 1/ X5 X5
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, 6. In teaching a patient with cirrhosis, which information should the nurse
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include regarding cholesterol?
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:Answer:Cholesterol decreases the membrane fluidity of the erythrocyte, which
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reduces its ability to carry oxygen.
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7. When a patient asks what causes cystic fibrosis,how should the nurse
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respond? Cystic fibrosis is caused by an
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: Answer: Autosomal recessive
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8. How are potassium and sodium transported across plasma membranes?: -
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9. The nurse would be correct in identifying the predominant extracellular
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cation as:
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: Answer: Sodium
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10. The early dilation (swelling) of the cell's endoplasmic reticulum results
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in:: Answer
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: Reduced protein synthesis
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11. What principle should the nurse remember when trying to distinguish
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aging from diseases?
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: Answer:It is difficult to tell the difference because both processes are believed to
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result from cell injury.
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12. What is the diagnosis of a 13-year-old female who has a karyotype that re-
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veals an absent homologous X chromosome with only a single X chromosome
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present? Her features include a short stature, widely spaced nipples, reduced
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carrying angle at the elbow, and sparse body hair.
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: Answer:Turner syndrome
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13. A eukaryotic cell is undergoing DNA replication. In which region of the cell
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would most of the genetic information be contained?: Answer: Nucleolus
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14. The nurse is teaching staff about the most common cause of Down syn-
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drome.What is the nurse describing?
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:https://www.stuvia.com/user/Wisdoms 2/ X5 X5
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