NURS 6501 MIDTERM EXAM (4 VERSIONS, 400 Q & A, LATEST-
2025/ 2026) / NURS 6501N MIDTERM EXAM / NURS6501
MIDTERM EXAM / NURS6501N MIDTERM EXAM: WALDEN
UNIVERSITY | 100% CORRECT Q & A |
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.
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
The nurse is teaching staff about the most common cause of Down syndrome.
What is the nurse describing?
Answer: Maternal nondisjunction
A 50-year-old male was recently diagnosed with Huntington disease.
Transmission of this disease is associated with:
Answer: Delayed age of onset
A patient wants to know the risk factors for Down syndrome. What is the
nurse's best response?
Answer: Pregnancy in women over age 35
2025/ 2026) / NURS 6501N MIDTERM EXAM / NURS6501
MIDTERM EXAM / NURS6501N MIDTERM EXAM: WALDEN
UNIVERSITY | 100% CORRECT Q & A |
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.
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
The nurse is teaching staff about the most common cause of Down syndrome.
What is the nurse describing?
Answer: Maternal nondisjunction
A 50-year-old male was recently diagnosed with Huntington disease.
Transmission of this disease is associated with:
Answer: Delayed age of onset
A patient wants to know the risk factors for Down syndrome. What is the
nurse's best response?
Answer: Pregnancy in women over age 35
