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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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Mstoniy Mstoniy
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6 years ago
A nurse is acting as a preceptor to a graduate nurse. They are discussing the differences between various medications. The nurses understand that, in contrast to the barbiturates, the benzodiaze-pines have which principal mechanism of action?
 
  a. They cannot pass the blood-brain barrier.
  b. They have limited central nervous system depression effects.
  c. They are not lipid soluble.
  d. They have more difficulty affecting the central nervous system.
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#1
6 years ago
B
The ability of benzodiazepines to depress central nervous system function is low. Because of their high lipid solubility, benzodiazepines readily cross the blood-brain barrier to reach sites in the central nervous system.
Benzodiazepines readily cross the blood-brain barrier.
Benzodiazepines are highly lipid soluble.
Benzodiazepines do not have more difficulty affecting the central nervous system than barbitu-rates do.
Mstoniy Author
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#2
6 years ago
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