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Midterm Exam / NURS6501N Midterm Exam: Walden
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Pathophysiology Midterm 6501 Walden University
A runner has depleted all the oxygen available for muscle energy.
Which of the following will facilitate his continued muscle
performance? - ANSWER-Answer: Anaerobic glycolysis
What causes the rapid change in the resting membrane potential that
initiates an action potential? - 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? - ANSWER-Answer:
XXY
, A nurse is reviewing the pedigree chart. When checking for a proband,
what is the nurse looking for? - 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? - ANSWER-Answer: Expressivity
In teaching a patient with cirrhosis, which information should the
nurse include regarding cholesterol? - ANSWER-Answer: Cholesterol
decreases the membrane fluidity of the erythrocyte, which reduces its
ability to carry oxygen.
When a patient asks what causes cystic fibrosis, how should the nurse
respond? Cystic fibrosis is caused by an _____ gene - ANSWER-
Answer: Autosomal recessive
How are potassium and sodium transported across plasma
membranes? - ANSWER-Answer: By adenosine triphosphate enzyme
(ATPase)
The nurse would be correct in identifying the predominant
extracellular cation as: - ANSWER-Answer: Sodium
The early dilation (swelling) of the cell's endoplasmic reticulum results
in: - ANSWER-Answer: Reduced protein synthesis
What principle should the nurse remember when trying to distinguish
aging from diseases? - ANSWER-Answer: It is difficult to tell the
difference because both processes are believed to result from cell
injury.