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Author Question: Which type of dehydration is defined as dehydration that occurs in conditions in which electrolyte ... (Read 115 times)

maychende

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on: Jun 28, 2018
Which type of dehydration is defined as dehydration that occurs in conditions in which electrolyte and water deficits are present in approximately balanced proportion?
 
  a. Isotonic dehydration
  b. Hypotonic dehydration
  c. Hypertonic dehydration
  d. All types of dehydration in infants and small children

Question 2

A nurse is conducting an in-service on gastrointestinal disorders. The nurse includes that melena, the passage of black, tarry stools, suggests bleeding from which area?
 
  a. Perianal or rectal area
  b. Hemorrhoids or anal fissures
  c. Upper gastrointestinal (GI) tract
  d. Lower GI tract


bd5255

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Reply #1 on: Jun 28, 2018
Answer to Question 1

ANS: A
Isotonic dehydration is the correct term for this definition and is the most frequent form of dehydration in children. Hypotonic dehydration occurs when the electrolyte deficit exceeds the water deficit, leaving the serum hypotonic. Hypertonic dehydration results from water loss in excess of electrolyte loss and is usually caused by a proportionately larger loss of water or a larger intake of electrolytes. This definition is specific to isotonic dehydration.

Answer to Question 2

ANS: C
Melena is denatured blood from the upper GI tract or bleeding from the right colon. Blood from the perianal or rectal area, hemorrhoids, or lower GI tract would be bright red.


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