单项选择题

An 82-year-old female is transferred to the hospital from a long-term care facility because of severe diarrhea. She is weak and dehydrated. Which acid-base imbalance could the client develop as a result of diarrhea

A．Respiratory acidosis.
B．Metabolic acidosis.
C．Carbonic acid deficit.
D．Metabolic alkalosis.
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单项选择题
A child, age 4, is admitted with a tentative diagnosis of congenital heart disease. When assessment reveals a bounding radial pulse coupled with a weak femoral pulse, the nurse suspects that the child has
A．patent ductus arteriosus.
B．coarctation of the aorta.
C．a ventricular septal defect.
D．truncus arteriosus.
单项选择题
Two middle-aged sisters have been diagnosed with Huntington's disease. The children of these clients want to know what their chances are of developing this genetic disorder. The nurse's best response would be.
A．"Only women become symptomatic. "
B．"This disorder is an autosomal dominant disorder, so each child has a 50% chance of inheriting it. "
C．"This disorder is an autosomal recessive disorder, so each child has a 25% chance of inheriting it. "
D．"Women are symptomatic and men are carriers of this disorder. "
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