* 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.
Turner syndrome
*Why ...
Complete Nurs 6501 Advanced Pathophysiology
Midterm exam Questions correctly answered &
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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.
Turner syndrome
Why is potassium able to diffuse easily in and out of cells?
Because the resting plasma membrane is more permeable to potassium
Hypothyroidism
A disorder caused by a thyroid gland that is slower and less productive than normal, does not produce enough T3 and T4
What causes the rapid change in the resting membrane potential that initiates an action potential?
Sodium gates open, and sodium rushes into the cell, changing the membrane potential from negative to positive.
What principle should the nurse remember when trying to distinguish aging from diseases?
It is difficult to tell the difference because both processes are believed to result from cell injury.
A eukaryotic cell is undergoing DNA replication. In which region of the cell would most of the genetic information be
contained?
Nucleolus
The nurse is teaching staff about the most common cause of Down syndrome. What is the nurse describing?
Maternal nondisjunction
A 50-year-old male was recently diagnosed with Huntington disease. Transmission of this disease is associated with:
A patient wants to know the risk factors for Down syndrome. What is the nurse's best response?
Pregnancy in women over age 35
What is the role of cytokines in cell reproduction?
Provide growth factor for tissue growth and development
A newborn male is diagnosed with albinism based on skin, eye, and hair appearance. Which finding will support this
diagnosis?
Inability to convert tyrosine to DOPA (3,4 dihydroxyphenylalanine)
Sodium and water accumulation in an injured cell are a direct result of:
Decreased ATP production
A 12-year-old male is diagnosed with Klinefelter syndrome. His karyotype would reveal which of the following?
XXY
A nurse is reviewing the pedigree chart. When checking for a proband, what is the nurse looking for?
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?
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