6501 Walden University 2025
A runner has depleted all the oxygen available for muscle energy. Which of
the following will facilitate his continued muscle performance? - Correct
Answer Answer: Anaerobic glycolysis
What causes the rapid change in the resting membrane potential that
initiates an action potential? - Correct Answer 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? - Correct Answer Answer: XXY
A nurse is reviewing the pedigree chart. When checking for a proband, what
is the nurse looking for? - Correct Answer 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? - Correct Answer Answer: Expressivity
In teaching a patient with cirrhosis, which information should the nurse
include regarding cholesterol? - Correct Answer 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: - Correct Answer Answer: Gene imprinting
When a patient asks what causes cystic fibrosis, how should the nurse
respond? Cystic fibrosis is caused by an _____ gene - Correct Answer
Answer: Autosomal recessive