Pathophysiology Midterm
Exam with Answers (Walden
University),Latest 2025/2026
Exams of Pathophysiology|
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A runner has depleted all the oxygen available for muscle energy. Which of the
following will facilitate his continued muscle performance? - ANSWERS-Answer:
Anaerobic glycolysis
What causes the rapid change in the resting membrane potential that initiates an
action potential? - ANSWERS-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? - ANSWERS-Answer: XXY
, A nurse is reviewing the pedigree chart. When checking for a proband, what is the
nurse looking for? - ANSWERS-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? - ANSWERS-Answer: Expressivity
In teaching a patient with cirrhosis, which information should the nurse include
regarding cholesterol? - ANSWERS-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 - ANSWERS-Answer: Autosomal
recessive
How are potassium and sodium transported across plasma membranes? -
ANSWERS-Answer: By adenosine triphosphate enzyme (ATPase)
The nurse would be correct in identifying the predominant extracellular cation as:
- ANSWERS-Answer: Sodium
The early dilation (swelling) of the cell's endoplasmic reticulum results in: -
ANSWERS-Answer: Reduced protein synthesis