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Author Question: A patient collapses after running a marathon on a hot day and is brought to the emergency department ... (Read 68 times)

mwit1967

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A patient collapses after running a marathon on a hot day and is brought to the emergency department to be treated for dehydration. The nurse will expect to provide which therapy?
 
  a. Intravenous hypertonic fluids given slowly over several hours
  b. Intravenous hypotonic fluids administered in stages
  c. Intravenous isotonic fluids given as a rap-id bolus
  d. Oral electrolyte replacement fluids with potassium

Question 2

Which side effects are more common in second-generation antipsychotic medications than in first-generation antipsychotic medications? (Select all that apply.)
 
  a. Agranulocytosis
  b. Anticholinergic effects
  c. Extrapyramidal symptoms
  d. Metabolism by CYP3A4
  e. Prolactin elevation



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cpetit11

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Answer to Question 1

B
Because this patient is experiencing fluid volume loss as the result of excessive sweating, this is most likely hypertonic dehydration, in which loss of water exceeds loss of electrolytes. This should be treated with a hypotonic solution or with fluids that contain no solutes at all. Initial treatment may consist of having the patient drink water. When intravenous therapy is provided, volume replenishment should occur in stages. Hypertonic fluids are used to treat hypotonic con-traction, usually caused by excessive sodium loss through the kidneys as the result of diuretic therapy. Isotonic fluids are used to treat isotonic contraction, which is generally caused by vo-miting and diarrhea. An oral electrolyte solution would only increase the hypertonicity; if oral rehydration is used in this case, the patient should drink plain water.

Answer to Question 2

A, B, D
SGAs are more likely than FGAs to cause agranulocytosis and anticholinergic effects and are metabolized by CYP3A4 enzymes. They are not more likely to cause extrapyramidal effects or prolactin elevation.




mwit1967

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Reply 2 on: Jul 23, 2018
Wow, this really help


cdmart10

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Reply 3 on: Yesterday
Gracias!

 

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