Verified Answers
A runner has depleted all the oxygen available When a patient asks what causes cystic fibrosis,
for muscle energy. Which of the following will how should the nurse respond? Cystic fibrosis is
facilitate his continued muscle performance? - caused by an _____ gene - -Answer:
-Answer: Anaerobic glycolysis Autosomal recessive
What causes the rapid change in the resting How are potassium and sodium transported
membrane potential that initiates an action across plasma membranes? - -Answer: By
potential? - -Answer: Sodium gates open, adenosine triphosphate enzyme (ATPase)
and sodium rushes into the cell, changing the
membrane potential from negative to positive.
The nurse would be correct in identifying the
predominant extracellular cation as: - -
A 12-year-old male is diagnosed with Klinefelter Answer: Sodium
syndrome. His karyotype would reveal which of
the following? - -Answer: XXY
The early dilation (swelling) of the cell's
endoplasmic reticulum results in: - -
A nurse is reviewing the pedigree chart. When Answer: Reduced protein synthesis
checking for a proband, what is the nurse looking
for? - -Answer: The person who is first
diagnosed with a genetic disease What principle should the nurse remember when
trying to distinguish aging from diseases? -
-Answer: It is difficult to tell the difference
An aide asks the nurse why people who have because both processes are believed to result
neurofibromatosis will show varying degrees of from cell injury.
the disease. Which genetic principle should the
nurse explain to the aide? - -Answer:
Expressivity 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
In teaching a patient with cirrhosis, which chromosome present? Her features include a
information should the nurse include regarding short stature, widely spaced nipples, reduced
cholesterol? - -Answer: Cholesterol carrying angle at the elbow, and sparse body
decreases the membrane fluidity of the hair. - -Answer: Turner syndrome
erythrocyte, which reduces its ability to carry
oxygen.
A eukaryotic cell is undergoing DNA replication.
In which region of the cell would most of the
A 15-year-old female is diagnosed with Prader- genetic information be contained? - -
Willi syndrome. This condition is an example of: - Answer: Nucleolus
-Answer: Gene imprinting
The nurse is teaching staff about the most
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