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Author Question: What action does the histamine-2 antagonist administered by the nurse have on the human body that ... (Read 141 times)

Mollykgkg

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on: Jul 23, 2018
What action does the histamine-2 antagonist administered by the nurse have on the human body that will help to prevent peptic ulcer disease?
 
  A) Destroys Helicobacter pylori
  B) Coats and protects the stomach lining
  C) Increases the pH of the secreted hydrochloric acid
  D) Reduces the amount of hydrochloric acid secreted

Question 2

The patient receives lidocaine as a local anesthetic before insertion of a chest tube. After the procedure the patient tells the nurse, The area is still numb. How long will this last? What is the nurse's best response?
 
  A) 15 minutes
  B) 1 hour
  C) 2 hours
  D) 4 hours


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mmpiza

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

D
Feedback:
Histamine-2 antagonists are administered to reduce the amount of hydrochloric acid secreted in the stomach, which helps to prevent peptic ulcer disease. H2 antagonists do not act as an antibiotic to kill bacteria (i.e., H. pylori) coat and protect the stomach lining like sucralfate (Carafate), or increase the pH of the secreted hydrochloric acid.

Answer to Question 2

C
Feedback:
The onset of intramuscular lidocaine is 5 to 10 minutes, peaks within 5 to 15 minutes, and the duration of action is 2 hours. Options A, B, and D are distracters.


Mollykgkg

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


mmpiza

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


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