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Author Question: A group of people has been exposed to ricin by inhalation of ricin mist. When preparing to receive ... (Read 83 times)

Bernana

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on: Jul 23, 2018
A group of people has been exposed to ricin by inhalation of ricin mist. When preparing to receive these victims in the emergency department, nurses will prepare to:
 
  a. administer antidotes.
  b. give chelating agents.
  c. provide respiratory support.
  d. start hemodialysis.

Question 2

A nurse is teaching a patient who works with heavy metals and who is about to begin taking a chelating agent to treat heavy metal poisoning. Which statement by the patient indicates a need for further teaching?
 
  a. This drug will not affect any metals already bound to cells in my body.
  b. This drug will bind with the metals to form less toxic molecules.
  c. This type of drug can block the metal from binding with molecules in my body.
  d. When the drug forms a chelate with the metal, the chelate can be excreted safely.


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taylorsonier

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Reply #1 on: Jul 23, 2018
Answer to Question 1

ANS: C
Within a few hours of inhaling ricin mist, victims experience coughing, tightness in the chest, difficulty breathing, nausea, and muscle aches. The airway may become severely inflamed and edematous and breathing can become extremely difficult. Management of poisoning with ricin is purely supportive. There is no antidote or chelating agent. Hemodialysis is not indicated.

Answer to Question 2

ANS: A
Chelating agents interact with metals to form chelates, which then can be excreted from the body. Chelating agents can strip metals already bound and prevent the binding of metals to endogenous molecules. The chelates are less toxic and can be excreted safely.


Bernana

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Reply #2 on: Jul 23, 2018
Both answers were spot on, thank you once again


taylorsonier

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Reply #3 on: Jul 23, 2018
Great! Please up vote :D


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